diff --git a/src/battle/BattleState.lua b/src/battle/BattleState.lua
index 38839c28..6b5baf3d 100644
--- a/src/battle/BattleState.lua
+++ b/src/battle/BattleState.lua
@@ -5927,7 +5927,10 @@ function BattleState:finish()
   -- the battle screen closes; leaving battle brings back the map theme,
   -- like the overworld reload's PlayDefaultMusicFadeOutCurrent
   -- (home/overworld.asm:2343-2348)
-  require("src.core.Music").restoreMap(self.data)
+  -- engine/battle/core.asm:928
+  if not (self.result == "win" and self.musicKind == "final") then
+    require("src.core.Music").restoreMap(self.data)
+  end
   self.game.stack:pop()
   Runtime.emit("battle.ended", { battle = self, result = self.result or "run" })
   -- Coming back from the battle screen is a fade, not a cut: EnterMap sees
diff --git a/src/core/game3/fldeff_misc.lua b/src/core/game3/fldeff_misc.lua
index 7698c6d1..2d15b452 100644
--- a/src/core/game3/fldeff_misc.lua
+++ b/src/core/game3/fldeff_misc.lua
@@ -355,7 +355,7 @@ function FldeffMisc.hallOfFameRecord()
       -- pokeemerald/src/field_effect.c:1156
       playSe("SE_BALL")
       local o = OFFS[i] or OFFS[1]
-      balls[i] = Rse().spawn("pokeball_glow", { layer = "front", x = ox + 117 + o[1] + 4, y = oy + 52 + o[2] + 4,
+      balls[i] = Rse().spawn("pokeball_glow", { layer = "front", x = ox + 117 + o[1], y = oy + 52 + o[2],
         stopOnEnd = false, keep = function() return FldeffMisc._active[name] == token end })
     end
     if t == n * 25 + 32 then
diff --git a/src/import/LauncherView.lua b/src/import/LauncherView.lua
index 93921696..2f5f971f 100644
--- a/src/import/LauncherView.lua
+++ b/src/import/LauncherView.lua
@@ -2944,7 +2944,7 @@ local function buildModsPanel(imp, x, y, w, availH, m)
       segLine("small", segs, px, ly, textW)
     elseif orderSort and mod.orderNote then
       Kit.text("small", Kit.ellipsize("small", Strings(mod.orderNote), textW),
-        px, ly, PAL.yellow)
+        px, ly, mod.orderNoteOptional and PAL.detail or PAL.yellow)
     elseif (mod.description or "") ~= "" then
       Kit.text("small", Kit.ellipsize("small", mod.description, textW),
         px, ly, PAL.detail)
@@ -5279,7 +5279,8 @@ local function buildModActionsModal(imp, m)
   if not mod then imp._modActions = nil return end
   local hasGit = mod.github and mod.github ~= ""
   local depSpecs = mod.dependencySpecs or (mod.manifest and mod.manifest.dependencySpecs)
-  local hasDeps = depSpecs and #depSpecs > 0
+  local optSpecs = mod.manifest and mod.manifest.optionalSpecs
+  local hasDeps = (depSpecs and #depSpecs > 0) or (optSpecs and #optSpecs > 0)
   local imports = mod.imports or mod.requiredImports
   local hasImports = imports and #imports > 0
   local info = hasGit and imp:_modUpdateInfo(mod.id)
@@ -5924,7 +5925,7 @@ local function buildDepResolverModal(imp, m)
   local n = #(res.deps or {})
   local anyUnsatisfied = false
   for _, d in ipairs(res.deps or {}) do
-    if d.status ~= "satisfied" and d.status ~= "disabled" then anyUnsatisfied = true; break end
+    if not d.optional and d.status ~= "satisfied" and d.status ~= "disabled" then anyUnsatisfied = true; break end
   end
 
   local totalContentH = n > 0 and (n * rowH + (n - 1) * gap) or 0
@@ -5948,7 +5949,9 @@ local function buildDepResolverModal(imp, m)
   cy = cy + Kit.textHeight("button") + math.floor(4 * m.s)
 
   -- Subtitle / intro
-  local subText = Strings("This mod requires additional dependencies or has conflicts:")
+  local subText = res.hasIssues
+    and Strings("This mod requires additional dependencies or has conflicts:")
+    or Strings("Dependencies for this mod:")
   Kit.text("small", subText, px + pad, cy, PAL.muted)
   cy = cy + Kit.textHeight("small") + math.floor(10 * m.s)
 
@@ -6020,6 +6023,18 @@ local function buildDepResolverModal(imp, m)
         statusText = Strings("Missing")
         statusCol = PAL.red
       end
+      if dep.kind == "optional" then
+        if dep.status == "satisfied" then
+          statusText = Strings("Optional: installed (v%s)", tostring(dep.installedVersion or "?"))
+        elseif dep.status == "incompatible" then
+          statusText = Strings("Optional: installed v%s, works with %s", tostring(dep.installedVersion or "?"), tostring(dep.range or ""))
+        else
+          statusText = Strings("Optional: not installed")
+        end
+        statusCol = dep.status == "satisfied" and PAL.green or PAL.muted
+      elseif dep.kind == "dependency" then
+        statusText = Strings("Required: ") .. statusText
+      end
       Kit.text("micro", statusText, ix, ry + math.floor(8 * m.s) + Kit.textHeight("small") + math.floor(2 * m.s), statusCol)
 
       -- Repo source line or Conflict reason
@@ -6120,7 +6135,7 @@ local function buildDepResolverModal(imp, m)
       kind = "accent", font = "small",
       action = function()
         for _, dep in ipairs(res.deps or {}) do
-          if dep.github and dep.status ~= "satisfied" and dep.status ~= "disabled" and imp._startDepPull then
+          if not dep.optional and dep.github and dep.status ~= "satisfied" and dep.status ~= "disabled" and imp._startDepPull then
             imp:_startDepPull(dep)
           end
         end
diff --git a/src/mods/LauncherMods.lua b/src/mods/LauncherMods.lua
index af8fc963..0944a47d 100644
--- a/src/mods/LauncherMods.lua
+++ b/src/mods/LauncherMods.lua
@@ -114,9 +114,9 @@ end
 -- Resolves the best-known GitHub owner/repo string for a dependency spec, if any.
 function LauncherMods.resolveDependencyRepo(depId, parentManifest, installedDep)
   if not depId or depId == "" then return nil end
-  -- 1. Check spec hint if parentManifest dependencySpecs carries it
-  if parentManifest and parentManifest.dependencySpecs then
-    for _, spec in ipairs(parentManifest.dependencySpecs) do
+  for _, specs in ipairs({ parentManifest and parentManifest.dependencySpecs or {},
+      parentManifest and parentManifest.optionalSpecs or {} }) do
+    for _, spec in ipairs(specs) do
       if spec.id == depId and spec.github then
         return spec.github
       end
@@ -169,10 +169,16 @@ function LauncherMods.checkDependencies(manifest, options, version, installedMan
   local depsResult = {}
   local hasIssues = false
 
-  -- 1. Hard Dependencies (dependencySpecs)
-  if type(manifest.dependencySpecs) == "table" then
-    for _, spec in ipairs(manifest.dependencySpecs) do
-      if not version or ModTargets.specApplies(spec, version) then
+  local depIdsSeen = {}
+  for _, group in ipairs({
+    { specs = manifest.dependencySpecs, kind = "dependency" },
+    { specs = manifest.optionalSpecs, kind = "optional" },
+  }) do
+    for _, spec in ipairs(type(group.specs) == "table" and group.specs or {}) do
+      if not depIdsSeen[spec.id]
+          and (not version or ModTargets.specApplies(spec, version)) then
+        depIdsSeen[spec.id] = true
+        local required = group.kind == "dependency"
         local depId = spec.id
         local range = spec.range
         local installedDep = installedMap[depId]
@@ -181,10 +187,10 @@ function LauncherMods.checkDependencies(manifest, options, version, installedMan
 
         if not installedDep then
           status = "missing"
-          hasIssues = true
+          if required then hasIssues = true end
         elseif range and not Semver.satisfies(installedDep.version, range) then
           status = "incompatible"
-          hasIssues = true
+          if required then hasIssues = true end
         end
 
         local ghRepo = LauncherMods.resolveDependencyRepo(depId, manifest, installedDep)
@@ -195,7 +201,8 @@ function LauncherMods.checkDependencies(manifest, options, version, installedMan
           name = (installedDep and installedDep.name) or depId,
           range = range,
           status = status,
-          kind = "dependency",
+          kind = group.kind,
+          optional = not required,
           installedVersion = installedVersion,
           github = ghRepo,
           safeUrl = safeUrl,
@@ -366,20 +373,31 @@ function LauncherMods.deriveList(manifests, options, version)
     row.loadRank = rank[row.id] or (#full + 1)
     local m = byId[row.id]
     local after
-    local function consider(spec)
+    local seen, names = {}, { required = {}, optional = {} }
+    local function consider(spec, group)
       local dep = spec and spec.id
-      if dep and dep ~= row.id and rank[dep] and rank[dep] > row.loadRank
+      if dep and dep ~= row.id and not seen[dep] and rank[dep]
+          and rank[dep] > row.loadRank
           and ModTargets.specApplies(spec, version, generation) then
+        seen[dep] = true
+        local list = names[group]
+        list[#list + 1] = tostring(byId[dep] and byId[dep].name or dep)
         if not after or rank[dep] > rank[after] then after = dep end
       end
     end
-    for _, spec in ipairs(m.dependencySpecs or {}) do consider(spec) end
-    for _, spec in ipairs(m.optionalSpecs or {}) do consider(spec) end
+    for _, spec in ipairs(m.dependencySpecs or {}) do consider(spec, "required") end
+    for _, spec in ipairs(m.optionalSpecs or {}) do consider(spec, "optional") end
     if after then
-      local dep = byId[after]
+      local parts = {}
+      if #names.required > 0 then
+        parts[#parts + 1] = table.concat(names.required, ", ") .. " (required)"
+      end
+      if #names.optional > 0 then
+        parts[#parts + 1] = table.concat(names.optional, ", ") .. " (optional)"
+      end
       row.orderAfter = after
-      row.orderNote = "Loads after " .. tostring(dep and dep.name or after)
-        .. " (dependency)"
+      row.orderNote = "Loads after " .. table.concat(parts, "; ")
+      row.orderNoteOptional = #names.required == 0
     end
   end
   return out
diff --git a/src/ui/HallOfFame.lua b/src/ui/HallOfFame.lua
index c350a57c..7d489e95 100644
--- a/src/ui/HallOfFame.lua
+++ b/src/ui/HallOfFame.lua
@@ -23,6 +23,11 @@ HallOfFame.isOpaque = true
 -- SGB: SetPal_PokemonWholeScreen for the mon on display
 function HallOfFame:sgbPalettes(game)
   local P = require("src.render.PaletteFX")
+  if self.phase == "intro" then
+    local ow = game.overworld
+    if ow and ow.sgbPalettes then return ow:sgbPalettes(game) end
+    return nil
+  end
   if self.phase == "player" or self.phase == "player_dex"
       or self.phase == "player_rating" then
     return P.wholeNamed(game.data, "MEWMON")
@@ -67,6 +72,13 @@ local INFO_HOLD = 80
 local HOF_HOLD = 180
 local FADE_FRAMES = 20
 
+-- scripts/HallOfFame.asm:24
+local INTRO_DELAY = 3
+-- home/fade.asm:26
+local INTRO_FADE = 24
+-- engine/movie/hall_of_fame.asm:4
+local INTRO_HOLD = 100
+
 -- HoFPrintTextAndDelay after each dex line
 local DEX_HOLD = 120
 
@@ -91,7 +103,10 @@ function HallOfFame.new(game, onDone)
   self.onDone = onDone
   self.index = 0
   self.timer = 0
-  self.phase = "mons"
+  self.phase = "intro"
+  self.introT = 0
+  self.isOpaque = false
+  self.introFade = require("src.render.Transition").whiteOut(game)
   self.sprites = {} -- species -> image or false
   self.spriteTrueColor = {} -- species -> full-color art flag (#637)
   self.backs = {} -- species (or "@player") -> back image or false (#847)
@@ -107,12 +122,21 @@ function HallOfFame.new(game, onDone)
   return self
 end
 
-function HallOfFame:enter()
-  local data = self.game.data
-  if data.audio and data.audio.songs and data.audio.songs.Music_HallOfFame then
-    pcall(Music.play, data, "Music_HallOfFame")
+function HallOfFame:updateIntro()
+  self.introT = self.introT + 1
+  if self.introT == INTRO_DELAY + 1 then
+    -- engine/movie/hall_of_fame.asm:283
+    Music.fadeOut(10)
+  end
+  if self.introT > INTRO_DELAY + INTRO_FADE then self.isOpaque = true end
+  if self.introT >= INTRO_DELAY + INTRO_FADE + INTRO_HOLD then
+    -- engine/movie/hall_of_fame.asm:38
+    local data = self.game.data
+    if data.audio and data.audio.songs and data.audio.songs.Music_HallOfFame then
+      pcall(Music.play, data, "Music_HallOfFame")
+    end
+    self:nextMon()
   end
-  self:nextMon()
 end
 
 function HallOfFame:nextMon()
@@ -194,6 +218,10 @@ function HallOfFame:update(dt)
   -- .ScrollPic with d = $a0, e = 4: the back pic crosses the screen right to
   -- left and is gone before the front pic starts.  Both scrolls are plain
   -- DelayFrame loops in the ROM, so neither takes a button (#847).
+  if self.phase == "intro" then
+    self:updateIntro()
+    return
+  end
   if self.phase == "back" then
     self.scrollX = self.scrollX - SCROLL_SPEED
     if self.scrollX <= BACK_END_X then
@@ -370,6 +398,13 @@ function HallOfFame:drawPlayerStats()
 end
 
 function HallOfFame:draw()
+  if self.phase == "intro" and not self.isOpaque then
+    if self.introT > INTRO_DELAY then
+      self.introFade.t = self.introT - INTRO_DELAY
+      self.introFade:draw()
+    end
+    return
+  end
   love.graphics.setColor(1, 1, 1, 1)
   love.graphics.rectangle("fill", 0, 0, 160, 144)
 
diff --git a/src/world/Player.lua b/src/world/Player.lua
index a7c9ca78..e91baecb 100644
--- a/src/world/Player.lua
+++ b/src/world/Player.lua
@@ -272,7 +272,14 @@ local function textBoxUp()
 end
 
 function Player:walkPhase()
-  if textBoxUp() then return 0 end
+  if textBoxUp() then
+    -- engine/overworld/movement.asm:49
+    if not self.moving then
+      self.bumpFrames = nil
+      self.animClock = 0
+    end
+    return 0
+  end
   -- moving, the land-frame after a completed step, or an active wall-bonk
   -- (issue #230) animate; a standing sprite otherwise
   if not self.moving and not self.stepLanded
diff --git a/tests/drivers/champion_alt_tempo_bug847_test.lua b/tests/drivers/champion_alt_tempo_bug847_test.lua
index bf22c76b..825b865f 100644
--- a/tests/drivers/champion_alt_tempo_bug847_test.lua
+++ b/tests/drivers/champion_alt_tempo_bug847_test.lua
@@ -242,6 +242,10 @@ return function(game)
   -- ---------------------------------------------------------------
   -- the back-pic sweep ahead of the first front pic
   -- ---------------------------------------------------------------
+  for _ = 1, 300 do
+    if hof.phase ~= "intro" then break end
+    U.wait(1)
+  end
   check("the induction opens on the back pic sweep, at the right edge",
         hof.phase == "back" and (hof.scrollX or 0) > 96)
   local sweepShot = false
diff --git a/tests/drivers/champion_victory_music_bug2835.lua b/tests/drivers/champion_victory_music_bug2835.lua
new file mode 100644
index 00000000..813e6dc4
--- /dev/null
+++ b/tests/drivers/champion_victory_music_bug2835.lua
@@ -0,0 +1,93 @@
+-- engine/battle/core.asm:928
+-- scripts/ChampionsRoom.asm:112
+return function(game)
+  local U = dofile("tests/drivers/util.lua")
+  local DIR = os.getenv("POKEPORT_SHOT_DIR") or os.getenv("SHOT_DIR") or "/tmp/shots"
+  local Pokemon = require("src.pokemon.Pokemon")
+  local Music = require("src.core.Music")
+  local BattleState = require("src.battle.BattleState")
+  os.execute('mkdir -p "' .. DIR .. '" 2>/dev/null')
+
+  local failed = false
+  local function check(label, ok)
+    print((ok and "PASS " or "FAIL ") .. label)
+    if not ok then failed = true end
+    return ok
+  end
+
+  U.newGame(game)
+  local mon = Pokemon.new(game.data, "MEWTWO", 100)
+  mon.moves = { { id = "SWIFT", pp = 20, maxPp = 20, ppUps = 0 } }
+  game.save.party = { mon }
+  game.save.player.name = "RED"
+
+  local realNewTrainer = BattleState.newTrainer
+  local battle
+  BattleState.newTrainer = function(...)
+    local b = realNewTrainer(...)
+    for _, m in ipairs(b.enemyParty or {}) do m.hp = 1 end
+    battle = b
+    return b
+  end
+
+  U.teleport(game, "CHAMPIONS_ROOM", 4, 3, "up")
+  U.wait(20)
+  local ow = game.overworld
+  check("overworld up in CHAMPIONS_ROOM", ow ~= nil and ow.map.id == "CHAMPIONS_ROOM")
+  if not ow then love.event.quit(1) return end
+  local rival
+  for _, npc in ipairs(ow.npcs or {}) do
+    if npc.def and npc.def.name == "CHAMPIONSROOM_RIVAL" then rival = npc end
+  end
+  local rows = require("data.scripts.init").get("CHAMPIONS_ROOM").talk.TEXT_CHAMPIONSROOM_RIVAL
+  ow:queueScript(rows, { npc = rival })
+
+  for _ = 1, 3000 do
+    if battle and game.stack:top() == battle then break end
+    U.tap(game, "a")
+    U.wait(4)
+  end
+  check("rival battle on screen", battle ~= nil and game.stack:top() == battle)
+  check("rival battle is the final battle", battle and battle.musicKind == "final")
+
+  local b = game.data.audio and game.data.audio.battle or {}
+  local gymWin = b.gymWin
+  for _ = 1, 4000 do
+    if battle and game.stack:top() ~= battle and battle.result then break end
+    U.tap(game, "a")
+    U.wait(6)
+  end
+  BattleState.newTrainer = realNewTrainer
+  check("rival defeated", battle and battle.result == "win")
+
+  local cues = {}
+  local realPlay = Music.play
+  Music.play = function(data, song, loop, ctx)
+    cues[#cues + 1] = song
+    return realPlay(data, song, loop, ctx)
+  end
+
+  U.wait(10)
+  check("battle screen closed", game.stack:top() ~= battle)
+  check("MUSIC_DEFEATED_GYM_LEADER still playing after the battle screen closes",
+        gymWin ~= nil and Music.current() == gymWin)
+  U.still(game, DIR .. "/2835_01_after_battle_victory_theme.png")
+
+  local sawCities, between = false, {}
+  for _ = 1, 3000 do
+    if Music.current() == "Music_Cities1" then sawCities = true break end
+    U.tap(game, "a")
+    U.wait(4)
+  end
+  Music.play = realPlay
+  for _, s in ipairs(cues) do
+    if s == "Music_Cities1" then break end
+    between[#between + 1] = s
+  end
+  check("Oak's arrival switches to Cities1", sawCities)
+  check("no map theme cue between the battle and Oak's arrival (got "
+        .. table.concat(between, ",") .. ")", #between == 0)
+  U.still(game, DIR .. "/2835_02_oak_arrives_cities1.png")
+
+  love.event.quit(failed and 1 or 0)
+end
diff --git a/tests/drivers/em_hof_record_balls_2838.lua b/tests/drivers/em_hof_record_balls_2838.lua
new file mode 100644
index 00000000..b5daff8d
--- /dev/null
+++ b/tests/drivers/em_hof_record_balls_2838.lua
@@ -0,0 +1,86 @@
+-- pokeemerald/src/field_effect.c:1066 FldEff_HallOfFameRecord
+-- pokeemerald/src/field_effect.c:597 sPokeballCoordOffsets
+local U = require("tests.drivers.util")
+local F = require("tests.drivers.em_fa_util")
+local ST = require("tests.drivers.em_story_util")
+local S = F.new("em_hof_record_balls_2838", os.getenv("POKEPORT_SHOT_DIR") or "/tmp/em_hof_record_balls_2838")
+
+local EXPECT = { { 117, 52 }, { 123, 52 }, { 117, 56 }, { 123, 56 }, { 117, 60 }, { 123, 60 } }
+
+return function(game)
+  if not F.boot(game, S) then return S.finish() end
+  local Runtime = require("src.core.game3.runtime")
+  local Map = require("src.core.game3.map")
+  local Player = require("src.core.game3.player")
+  local Message = require("src.ui.game3.message")
+  local Misc = require("src.core.game3.fldeff_misc")
+  local Rse = require("src.core.game3.field_effects_rse")
+  local session = Runtime.getSession()
+  if not S.check(session.version == "emerald", "driver runs Emerald") then return S.finish() end
+
+  for _, sp in ipairs({ "SPECIES_SCEPTILE", "SPECIES_BLAZIKEN", "SPECIES_SWAMPERT",
+      "SPECIES_GARDEVOIR", "SPECIES_AGGRON", "SPECIES_SALAMENCE" }) do
+    ST.giveMon(sp, 50)
+  end
+  local n = 0
+  for _, m in pairs(session.party or {}) do if m then n = n + 1 end end
+  S.check(n == 6, "party of six (" .. n .. ")")
+
+  F.settle(game, 300)
+  local ok, err = pcall(function()
+    Map.load(nil, game, "EM_EVER_GRANDE_CITY_HALL_OF_FAME", { x = 7, y = 16, facing = "up" })
+  end)
+  if not ok then S.note("Map.load error: " .. tostring(err)) end
+  session = Runtime.getSession()
+  S.check(ok and session.map == "EM_EVER_GRANDE_CITY_HALL_OF_FAME", "warped into the Hall of Fame")
+
+  local started
+  for _ = 1, 3000 do
+    if Misc._active and Misc._active.FLDEFF_HALL_OF_FAME_RECORD then started = true break end
+    if Message.isOpen and Message.isOpen() then U.tap(game, "a") end
+    U.wait(1)
+  end
+  if not S.check(started == true, "FLDEFF_HALL_OF_FAME_RECORD started from the map script") then return S.finish() end
+  S.check(Player.cellX == 7 and Player.cellY == 5 and Player.facing == "up",
+    ("player in front of the machine at (%s,%s) facing %s"):format(tostring(Player.cellX),
+      tostring(Player.cellY), tostring(Player.facing)))
+
+  local function balls()
+    local out = {}
+    for _, e in ipairs(Rse._list) do
+      if e.name == "pokeball_glow" then out[#out + 1] = e end
+    end
+    return out
+  end
+  U.wait(8)
+  S.still(game, "2838_01_first_ball.png")
+  for _ = 1, 200 do
+    if #balls() >= 6 then break end
+    U.wait(1)
+  end
+  U.wait(4)
+  local list = balls()
+  S.check(#list == 6, "six glow balls placed (" .. #list .. ")")
+  S.still(game, "2838_02_six_balls_on_machine.png")
+
+  local ox, oy = Player.px - 112, Player.py - 72
+  for i, want in ipairs(EXPECT) do
+    local e = list[i]
+    local sx, sy = e and (e.x - ox), e and (e.y - oy)
+    S.check(e ~= nil and sx == want[1] and sy == want[2],
+      ("ball %d screen center (%s,%s) == pret (%d,%d)"):format(i, tostring(sx), tostring(sy), want[1], want[2]))
+    if e then
+      local tl = math.floor(e.x - e.sheet.fw / 2) - ox
+      local tt = math.floor(e.y - e.sheet.fh / 2) - oy
+      S.check(tl == want[1] - 4 and tt == want[2] - 4,
+        ("ball %d OAM top-left (%d,%d) == (%d,%d)"):format(i, tl, tt, want[1] - 4, want[2] - 4))
+    end
+  end
+
+  for _ = 1, 200 do
+    if not (Misc._active and Misc._active.FLDEFF_HALL_OF_FAME_RECORD) then break end
+    U.wait(1)
+  end
+  S.check(not (Misc._active and Misc._active.FLDEFF_HALL_OF_FAME_RECORD), "record effect ends")
+  return S.finish()
+end
diff --git a/tests/drivers/hall_of_fame_bug704_test.lua b/tests/drivers/hall_of_fame_bug704_test.lua
index 6796cbcf..ff5885ff 100644
--- a/tests/drivers/hall_of_fame_bug704_test.lua
+++ b/tests/drivers/hall_of_fame_bug704_test.lua
@@ -231,6 +231,10 @@ return function(game)
   -- #847: HoFShowMonOrPlayer sweeps the BACK pic across the screen (low, at
   -- y=88) before the front pic scrolls in.  Catch it mid-sweep, wait the
   -- sweep out, then catch the front pic partway through its own scroll.
+  for _ = 1, 300 do
+    if hof.phase ~= "intro" then break end
+    U.wait(1)
+  end
   for _ = 1, 300 do
     if hof.phase ~= "back" or (hof.scrollX or 0) <= 56 then break end
     U.wait(1)
diff --git a/tests/drivers/hof_intro_fade_bug2836.lua b/tests/drivers/hof_intro_fade_bug2836.lua
new file mode 100644
index 00000000..5dc8ff82
--- /dev/null
+++ b/tests/drivers/hof_intro_fade_bug2836.lua
@@ -0,0 +1,73 @@
+-- engine/movie/hall_of_fame.asm:1
+-- scripts/HallOfFame.asm:24
+return function(game)
+  local U = dofile("tests/drivers/util.lua")
+  local DIR = os.getenv("POKEPORT_SHOT_DIR") or os.getenv("SHOT_DIR") or "/tmp/shots"
+  local Pokemon = require("src.pokemon.Pokemon")
+  local Music = require("src.core.Music")
+  local HallOfFame = require("src.ui.HallOfFame")
+  os.execute('mkdir -p "' .. DIR .. '" 2>/dev/null')
+
+  local failed = false
+  local function check(label, ok)
+    print((ok and "PASS " or "FAIL ") .. label)
+    if not ok then failed = true end
+    return ok
+  end
+
+  U.newGame(game)
+  game.save.party = { Pokemon.new(game.data, "NIDOKING", 63) }
+  game.save.player.name = "RED"
+  game.save.pendingHallOfFame = true
+  U.teleport(game, "HALL_OF_FAME", 4, 7, "up")
+
+  local hof
+  for _ = 1, 3000 do
+    local top = game.stack:top()
+    if getmetatable(top) == HallOfFame then hof = top break end
+    U.tap(game, "a")
+    U.wait(3)
+  end
+  check("the induction started", hof ~= nil)
+  if not hof then love.event.quit(1) return end
+
+  check("it opens on the fade, not the back pic sweep", hof.phase == "intro")
+  check("the room is still drawn under the fade", hof.isOpaque == false)
+
+  local opaqueAt, lastIntro
+  local midFadeShot, pauseShot, heardHof = false, false, false
+  for _ = 1, 400 do
+    if hof.phase ~= "intro" then break end
+    lastIntro = hof.introT
+    if Music.current() == "Music_HallOfFame" then heardHof = true end
+    if hof.isOpaque then
+      opaqueAt = opaqueAt or hof.introT
+      if not pauseShot and hof.introT >= 80 then
+        pauseShot = U.still(game, DIR .. "/2836_02_white_pause.png")
+      end
+    elseif not midFadeShot and hof.introT >= 3 + 12 then
+      midFadeShot = U.still(game, DIR .. "/2836_01_fade_to_white.png")
+    end
+    U.wait(1)
+  end
+  local pause = (lastIntro or 0) + 1 - ((opaqueAt or 0) - 1)
+  check("GBFadeOutToWhite runs after Delay3 (opaque white from intro frame "
+        .. tostring(opaqueAt) .. ")", opaqueAt == 3 + 24 + 1)
+  check("100 frame white pause before a mon comes in (got " .. pause .. ")",
+        pause == 100)
+  check("Music_HallOfFame waits for the pause", not heardHof)
+  check("mid-fade screenshot", midFadeShot)
+  check("white pause screenshot", pauseShot)
+  check("the back pic sweep follows, entering from the right",
+        hof.phase == "back" and (hof.scrollX or 0) >= 150)
+  check("Music_HallOfFame starts with the sweep",
+        Music.current() == "Music_HallOfFame")
+  for _ = 1, 60 do
+    if hof.phase ~= "back" or (hof.scrollX or 0) <= 120 then break end
+    U.wait(1)
+  end
+  check("back pic entering screenshot",
+        U.still(game, DIR .. "/2836_03_back_pic_enters.png"))
+
+  love.event.quit(failed and 1 or 0)
+end
diff --git a/tests/drivers/parcel_cutscene_stand_2839.lua b/tests/drivers/parcel_cutscene_stand_2839.lua
new file mode 100644
index 00000000..19264f7a
--- /dev/null
+++ b/tests/drivers/parcel_cutscene_stand_2839.lua
@@ -0,0 +1,93 @@
+-- engine/overworld/movement.asm:49
+-- home/overworld.asm:108
+-- scripts/OaksLab.asm:1011
+return function(game)
+  local U = dofile("tests/drivers/util.lua")
+  local Bag = require("src.inventory.Bag")
+  local DIR = os.getenv("SHOT_DIR") or os.getenv("POKEPORT_SHOT_DIR")
+              or "/tmp/2839"
+  local fails = 0
+  local function ok(cond, line)
+    if not cond then fails = fails + 1 end
+    print("[2839] " .. (cond and "PASS " or "FAIL ") .. line)
+  end
+  local function finish()
+    print("[2839] " .. (fails == 0 and "ALL PASS" or (fails .. " FAILURES")))
+    love.event.quit(fails == 0 and 0 or 1)
+  end
+
+  local flags = game.save.flags or {}
+  game.save.flags = flags
+  flags.EVENT_FOLLOWED_OAK_INTO_LAB = true
+  flags.EVENT_GOT_STARTER = true
+  flags.EVENT_CHOSE_SQUIRTLE = true
+  flags.EVENT_BATTLED_RIVAL_IN_OAKS_LAB = true
+  Bag.add(game.save, "OAKS_PARCEL", 1)
+  game.save.objectToggles = game.save.objectToggles or {}
+  game.save.objectToggles.OAKS_LAB = game.save.objectToggles.OAKS_LAB or {}
+  game.save.objectToggles.OAKS_LAB.OAKSLAB_OAK1 = true
+  game.save.objectToggles.OAKS_LAB.OAKSLAB_RIVAL = false
+
+  U.teleport(game, "OAKS_LAB", 5, 5, "down")
+  U.wait(10)
+  local ow = game.overworld
+  local oak = ow and ow:npcByIndex(5)
+  if not oak then
+    ok(false, "Oak is in the lab")
+    return finish()
+  end
+  local ox, oy = oak.cellX, oak.cellY
+  U.teleport(game, "OAKS_LAB", ox - 1, oy, "right")
+  U.wait(10)
+  ow = game.overworld
+  local p = ow.player
+  ok(p.cellX == ox - 1 and p.cellY == oy, "player stands left of Oak at "
+     .. (ox - 1) .. "," .. oy)
+
+  local sawWalk = false
+  for _ = 1, 22 do
+    table.insert(game.input.pressQueue, "right")
+    game.input.state.right = true
+    coroutine.yield()
+    if p:walkPhase() == 1 then sawWalk = true end
+  end
+  ok(not p.moving, "Oak blocks the step")
+  ok(sawWalk, "the walk-in-place cycle runs while pushing into Oak")
+  local clock = p.animClock or 0
+  print(string.format("[2839] bump state at talk: bumpFrames=%s animClock=%d",
+    tostring(p.bumpFrames), clock))
+
+  U.tap(game, "a")
+  game.input.state.right = false
+  U.wait(4)
+  ok(game.stack:top() ~= ow, "the A press opened Oak's parcel text")
+  U.still(game, DIR .. "/2839_01_parcel_text.png")
+
+  local badFrames, worldFrames, shotWalk, shotStand = 0, 0, false, false
+  for _ = 1, 3000 do
+    if not ow.runner:isRunning() and game.stack:top() == ow then break end
+    if game.stack:top() == ow then
+      worldFrames = worldFrames + 1
+      if not p.moving and p:walkPhase() ~= 0 then
+        badFrames = badFrames + 1
+        if not shotWalk then
+          U.still(game, DIR .. "/2839_02_walk_pose_between_boxes.png")
+          shotWalk = true
+        end
+      elseif not shotStand and worldFrames >= 3 then
+        U.still(game, DIR .. "/2839_03_standing_between_boxes.png")
+        shotStand = true
+      end
+      coroutine.yield()
+    else
+      U.tap(game, "a")
+      U.wait(2)
+    end
+  end
+  print(string.format("[2839] overworld frames inside the cutscene: %d, walk-pose frames: %d",
+    worldFrames, badFrames))
+  ok(worldFrames > 0, "the cutscene ran overworld frames between its text boxes")
+  ok(badFrames == 0, "the player holds the standing frame through the parcel cutscene")
+  ok(flags.EVENT_GOT_POKEDEX == true, "the cutscene ran to the Pokedex hand-off")
+  finish()
+end
diff --git a/tests/engine/champion_victory_music_bug2835.lua b/tests/engine/champion_victory_music_bug2835.lua
new file mode 100644
index 00000000..94490b43
--- /dev/null
+++ b/tests/engine/champion_victory_music_bug2835.lua
@@ -0,0 +1,59 @@
+-- engine/battle/core.asm:928
+-- home/overworld.asm:2344
+package.path = "./?.lua;./?/init.lua;" .. package.path
+
+local T = require("tests.modkit")
+local Data = T.fixtures.fresh()
+local BattleState = require("src.battle.BattleState")
+local Pokemon = require("src.pokemon.Pokemon")
+local SaveData = require("src.core.SaveData")
+local Sound = require("src.core.Sound")
+local Music = require("src.core.Music")
+local GameVersion = require("src.core.GameVersion")
+
+local realStopLoop, realRestore = Sound.stopLoop, Music.restoreMap
+local restores = 0
+Sound.stopLoop = function() end
+Music.restoreMap = function() restores = restores + 1 end
+
+local function makeGame()
+  local save = SaveData.newGame()
+  save.party = { Pokemon.new(Data, "FIXMON_A", 20) }
+  local stack = { states = {} }
+  function stack:push(s) self.states[#self.states + 1] = s end
+  function stack:pop() return table.remove(self.states) end
+  function stack:top() return self.states[#self.states] end
+  return { data = Data, save = save, stack = stack,
+           input = { wasPressed = function() return false end,
+                     isDown = function() return false end } }
+end
+
+local function finishWith(kind, result)
+  local game = makeGame()
+  local b = BattleState.newTrainer(game, "OPP_FIX_YOUNGSTER", 1)
+  game.stack:push(b)
+  b.musicKind = kind
+  b.result = result
+  b.evolutionsChecked = true
+  b.pikachuMoodChecked = true
+  b.onFinish = function() end
+  restores = 0
+  local ok, err = pcall(b.finish, b)
+  T.check(ok, kind .. "/" .. result .. ": finish runs" .. (ok and "" or (": " .. tostring(err))))
+  return restores
+end
+
+GameVersion.set("red")
+
+T.eq(finishWith("final", "win"), 0,
+     "beating RIVAL3 keeps the victory theme playing into the overworld")
+T.eq(finishWith("trainer", "win"), 1,
+     "an ordinary trainer win restores the map theme")
+T.eq(finishWith("gym", "win"), 1,
+     "a gym leader win restores the map theme")
+T.eq(finishWith("final", "lose"), 1,
+     "losing to RIVAL3 restores the map theme")
+
+Sound.stopLoop, Music.restoreMap = realStopLoop, realRestore
+
+T.finish()
diff --git a/tests/engine/hof_intro_fade_bug2836.lua b/tests/engine/hof_intro_fade_bug2836.lua
new file mode 100644
index 00000000..df1bfa6d
--- /dev/null
+++ b/tests/engine/hof_intro_fade_bug2836.lua
@@ -0,0 +1,67 @@
+-- engine/movie/hall_of_fame.asm:1
+-- scripts/HallOfFame.asm:24
+-- home/fade.asm:26
+package.path = "./?.lua;./?/init.lua;" .. package.path
+
+local T = require("tests.modkit")
+local Data = T.fixtures.fresh()
+local Pokemon = require("src.pokemon.Pokemon")
+local SaveData = require("src.core.SaveData")
+local Music = require("src.core.Music")
+local PaletteFX = require("src.render.PaletteFX")
+local Transition = require("src.render.Transition")
+local GameVersion = require("src.core.GameVersion")
+local HallOfFame = require("src.ui.HallOfFame")
+
+GameVersion.set("red")
+Data.audio = Data.audio or {}
+Data.audio.songs = Data.audio.songs or {}
+Data.audio.songs.Music_HallOfFame = Data.audio.songs.Music_HallOfFame or {}
+
+local realPlay, realFade = Music.play, Music.fadeOut
+local plays, fadeAt = {}, nil
+local frame = 0
+Music.play = function(_, song) plays[#plays + 1] = { song = song, frame = frame } end
+Music.fadeOut = function() fadeAt = fadeAt or frame end
+
+local save = SaveData.newGame()
+save.party = { Pokemon.new(Data, "FIXMON_A", 20) }
+local game = { data = Data, save = save }
+
+local hof = HallOfFame.new(game, function() end)
+T.eq(hof.phase, "intro", "induction opens on the fade, not the back pic sweep")
+T.check(not hof.isOpaque, "the map stays drawn under the fade")
+T.eq(#plays, 0, "Music_HallOfFame waits for the fade and the pause")
+
+local shades = {}
+local backAt
+for f = 1, 200 do
+  frame = f
+  hof:update(1 / 60)
+  if hof.phase == "intro" then
+    PaletteFX.setShadeMap(nil)
+    hof:draw()
+    shades[f] = PaletteFX.shadeMap()
+  elseif not backAt then
+    backAt = f
+    break
+  end
+end
+
+T.eq(fadeAt, 4, "HoFFadeOutScreenAndMusic fades the music after Delay3")
+T.eq(shades[3], nil, "Delay3 leaves the palette alone")
+T.eq(shades[4], Transition.shadeMapFor(0x90), "fade step 1 on frame 4")
+T.eq(shades[11], Transition.shadeMapFor(0x90), "fade step 1 holds 8 frames")
+T.eq(shades[12], Transition.shadeMapFor(0x40), "fade step 2 on frame 12")
+T.eq(shades[20], Transition.shadeMapFor(0x00), "fade step 3 on frame 20")
+T.check(hof.isOpaque, "the screen is cleared to white after the fade")
+T.eq(backAt, 3 + 24 + 100, "100 DelayFrames of white before the first mon")
+T.eq(hof.phase, "back", "the back pic sweep starts after the pause")
+T.eq(hof.scrollX, 160, "the back pic enters from the right edge")
+T.eq(plays[1] and plays[1].song, "Music_HallOfFame", "hall of fame theme starts")
+T.eq(plays[1] and plays[1].frame, backAt, "theme starts with the sweep, after the pause")
+
+Music.play, Music.fadeOut = realPlay, realFade
+PaletteFX.setShadeMap(nil)
+
+T.finish()
diff --git a/tests/engine/mod_optional_deps_bug2833.lua b/tests/engine/mod_optional_deps_bug2833.lua
new file mode 100644
index 00000000..050fa254
--- /dev/null
+++ b/tests/engine/mod_optional_deps_bug2833.lua
@@ -0,0 +1,74 @@
+package.path = "./?.lua;./?/init.lua;" .. package.path
+
+local T = require("tests.harness")
+love = love or require("tests.love_stub")
+
+local Manifest = require("src.mods.Manifest")
+local LauncherMods = require("src.mods.LauncherMods")
+
+local function mf(raw) return Manifest.validate(raw) end
+
+local engine = mf({ id = "g9-battle-engine", name = "G9 Battle Engine",
+  version = "1.0.0", entry = "m.lua" })
+local scene = mf({ id = "g9-Battle-Scene", name = "G9 Battle Scene",
+  version = "1.0.0", entry = "m.lua", dependencies = { "g9-battle-engine" } })
+local sprites = mf({ id = "g9-battle-sprites", name = "G9 Battle Sprites",
+  version = "1.0.0", entry = "m.lua",
+  optional_dependencies = { "national_dex", "g9-battle-engine", "g9-Battle-Scene" } })
+local dex = mf({ id = "national_dex", name = "National Dex",
+  version = "1.0.0", entry = "m.lua" })
+
+do
+  local res = LauncherMods.checkDependencies(sprites, nil, nil, { sprites })
+  T.eq(res.hasIssues, false, "optional deps alone never raise the resolver")
+  T.eq(#res.deps, 3, "resolver lists every optional dependency")
+  for _, d in ipairs(res.deps) do
+    T.eq(d.kind, "optional", d.id .. " is marked optional")
+    T.eq(d.status, "missing", d.id .. " reports not installed")
+  end
+
+  local partial = LauncherMods.checkDependencies(sprites, nil, nil, { sprites, scene })
+  T.eq(partial.hasIssues, false, "installed optional dep does not flag the rest")
+  local status = {}
+  for _, d in ipairs(partial.deps) do status[d.id] = d.status end
+  T.eq(status["g9-Battle-Scene"], "satisfied", "installed optional shows satisfied")
+  T.eq(status["national_dex"], "missing", "absent optional still listed")
+
+  local hard = LauncherMods.checkDependencies(scene, nil, nil, { scene })
+  T.eq(hard.hasIssues, true, "a missing hard dependency still raises the resolver")
+  T.eq(hard.deps[1].kind, "dependency", "hard dependency kind kept")
+end
+
+do
+  local manifests = { engine, scene, sprites, dex }
+  local function noteFor(order)
+    local rows = LauncherMods.deriveList(manifests, { mods = {}, modOrder = order }, "crystal")
+    for _, r in ipairs(rows) do
+      if r.id == "g9-battle-sprites" then return r end
+    end
+  end
+  local a = noteFor({ "g9-battle-sprites", "national_dex", "g9-battle-engine", "g9-Battle-Scene" })
+  T.check(a.orderNote and a.orderNote:find("(optional)", 1, true) ~= nil,
+    "optional ordering note says optional: " .. tostring(a.orderNote))
+  T.check(a.orderNote and not a.orderNote:find("dependency", 1, true),
+    "optional ordering note never calls it a dependency")
+  T.eq(a.orderNoteOptional, true, "optional-only note is not a warning")
+  for _, name in ipairs({ "National Dex", "G9 Battle Engine", "G9 Battle Scene" }) do
+    T.check(a.orderNote:find(name, 1, true) ~= nil, "note names " .. name)
+  end
+
+  local b = noteFor({ "g9-battle-sprites", "g9-Battle-Scene", "g9-battle-engine", "national_dex" })
+  T.eq(b.orderNote, a.orderNote, "note text is stable when the later deps reorder")
+
+  local scenes = LauncherMods.deriveList(manifests,
+    { mods = {}, modOrder = { "g9-Battle-Scene", "g9-battle-engine" } }, "crystal")
+  for _, r in ipairs(scenes) do
+    if r.id == "g9-Battle-Scene" then
+      T.check(r.orderNote and r.orderNote:find("(required)", 1, true) ~= nil,
+        "hard dependency note says required")
+      T.check(not r.orderNoteOptional, "hard dependency note stays a warning")
+    end
+  end
+end
+
+T.finish("mod optional dependencies (#2833)")
diff --git a/tests/parity_hof.lua b/tests/parity_hof.lua
index c49ab0ef..773b61fb 100644
--- a/tests/parity_hof.lua
+++ b/tests/parity_hof.lua
@@ -114,7 +114,14 @@ check(getmetatable(stack2:top()) == HallOfFame, "induction showcase pushed")
 -- $c0 -> $a0) and only then scrolls the front pic in (#847), so the
 -- induction opens on the back pass.
 local hofUi = stack2:top()
-eq(hofUi.phase, "back", "induction opens on the back pic sweep (#847)")
+eq(hofUi.phase, "intro", "induction opens on the fade to white")
+local introGuard = 0
+while hofUi.phase == "intro" and introGuard < 400 do
+  introGuard = introGuard + 1
+  hofUi:update(1 / 60)
+end
+eq(introGuard, 3 + 24 + 100, "Delay3 + GBFadeOutToWhite + 100 DelayFrames before the sweep")
+eq(hofUi.phase, "back", "the back pic sweep follows the fade (#847)")
 eq(hofUi.scrollX, 160, "back pic enters at the right edge (hSCX = $c0)")
 -- drive the back sweep and the front scroll so the info box is armed
 local scrollGuard = 0