diff --git a/decompiler/config/all-types.gc b/decompiler/config/all-types.gc
index dd13277109..acefd3cd88 100644
--- a/decompiler/config/all-types.gc
+++ b/decompiler/config/all-types.gc
@@ -1481,6 +1481,8 @@
   (subtitle-enabled             #x1040)
   (subtitle-disabled            #x1041)
   (text-language                #x1042)
+  (display                      #x1043)
+  (display-fmt                  #x1044)
   (msaa                         #x1050)
   (x-times-fmt                  #x1051)
   (2-times                      #x1052)
@@ -15736,6 +15738,7 @@
   (flava-player)
   (memcard-disable-auto-save)
   (memcard-auto-save-disabled)
+  (monitor)
 
   ;; the last one!
   (max)
@@ -15769,6 +15772,7 @@
   (button-music)
   (button-flava)
   (cheat-toggle)
+  (monitor)
   )
 
 (defenum game-option-menu
diff --git a/game/assets/jak1/text/game_text_en.gs b/game/assets/jak1/text/game_text_en.gs
index 6151e8e070..21379c33d4 100644
--- a/game/assets/jak1/text/game_text_en.gs
+++ b/game/assets/jak1/text/game_text_en.gs
@@ -104,6 +104,10 @@
         "SUBTITLES DISABLED")
 (#x1042 "TEXT LANGUAGE"
         "TEXT LANGUAGE")
+(#x1043 "DISPLAY"
+        "DISPLAY")
+(#x1044 "DISPLAY ~D"
+        "DISPLAY ~D")
 
 (#x1050 "MSAA"
         "MSAA")
@@ -334,7 +338,6 @@
 (#x1116 "NORSK"
         "NORSK")
 
-
 ;; -----------------
 ;; test
 
diff --git a/game/graphics/display.cpp b/game/graphics/display.cpp
index 8c1a5c780f..dbbc4da5b4 100644
--- a/game/graphics/display.cpp
+++ b/game/graphics/display.cpp
@@ -61,12 +61,6 @@ int GfxDisplay::height() {
   return h;
 }
 
-void GfxDisplay::backup_params() {
-  get_size(&m_width, &m_height);
-  get_position(&m_xpos, &m_ypos);
-  fmt::print("backed up window: {},{} {}x{}\n", m_xpos, m_ypos, m_width, m_height);
-}
-
 /*
 ********************************
 * DISPLAY
diff --git a/game/graphics/display.h b/game/graphics/display.h
index 1e3091660f..ee54d0c91e 100644
--- a/game/graphics/display.h
+++ b/game/graphics/display.h
@@ -19,21 +19,23 @@
 class GfxDisplay {
   const char* m_title;
 
-  // NOT actual size! just backups
-  int m_width;
-  int m_height;
-  // same here
-  int m_xpos;
-  int m_ypos;
-
-  int m_fullscreen_screen;
-  int m_fullscreen_target_screen;
+  int m_fullscreen_screen = -1;
+  int m_fullscreen_target_screen = -1;
   bool m_imgui_visible;
 
  protected:
   bool m_main;
+  // next mode
   GfxDisplayMode m_fullscreen_target_mode = GfxDisplayMode::Windowed;
-  GfxDisplayMode m_last_fullscreen_mode;
+  // current mode (start as -1 to force an initial fullscreen update)
+  GfxDisplayMode m_fullscreen_mode = (GfxDisplayMode)-1;
+  // previous mode (last frame)
+  GfxDisplayMode m_last_fullscreen_mode = GfxDisplayMode::Windowed;
+
+  int m_last_windowed_xpos = 0;
+  int m_last_windowed_ypos = 0;
+  int m_last_windowed_width = 640;
+  int m_last_windowed_height = 480;
 
  public:
   virtual ~GfxDisplay() {}
@@ -45,37 +47,37 @@ class GfxDisplay {
   virtual int get_screen_vmode_count() = 0;
   virtual void get_screen_size(int vmode_idx, s32* w, s32* h) = 0;
   virtual int get_screen_rate(int vmode_idx) = 0;
+  virtual int get_monitor_count() = 0;
   virtual void get_position(int* x, int* y) = 0;
   virtual void get_size(int* w, int* h) = 0;
-  virtual GfxDisplayMode get_fullscreen() = 0;
   virtual void render() = 0;
   virtual void set_lock(bool lock) = 0;
   virtual bool minimized() = 0;
+  virtual bool fullscreen_pending() {
+    return fullscreen_mode() != m_fullscreen_target_mode ||
+           m_fullscreen_screen != m_fullscreen_target_screen;
+  }
+  virtual void fullscreen_flush() {
+    update_fullscreen(m_fullscreen_target_mode, m_fullscreen_target_screen);
+
+    m_fullscreen_mode = m_fullscreen_target_mode;
+    m_fullscreen_screen = m_fullscreen_target_screen;
+  }
+
   bool is_active() const { return get_window() != nullptr; }
   void set_title(const char* title);
   const char* title() const { return m_title; }
-
-  bool fullscreen_pending() { return get_fullscreen() != m_fullscreen_target_mode; }
-  void fullscreen_flush() {
-    update_fullscreen(m_fullscreen_target_mode, m_fullscreen_target_screen);
-    // TODO no
-    m_fullscreen_screen = m_fullscreen_target_screen;
-  }
   void set_fullscreen(GfxDisplayMode mode, int screen) {
     m_fullscreen_target_mode = mode;
     m_fullscreen_target_screen = screen;
   }
-  void update_last_fullscreen_mode() { m_last_fullscreen_mode = get_fullscreen(); }
+  void update_last_fullscreen_mode() { m_last_fullscreen_mode = fullscreen_mode(); }
   GfxDisplayMode last_fullscreen_mode() const { return m_last_fullscreen_mode; }
+  GfxDisplayMode fullscreen_mode() { return m_fullscreen_mode; }
   int fullscreen_screen() const { return m_fullscreen_screen; }
   void set_imgui_visible(bool visible) { m_imgui_visible = visible; }
   bool is_imgui_visible() const { return m_imgui_visible; }
-  bool windowed() { return get_fullscreen() == GfxDisplayMode::Windowed; }
-  void backup_params();
-  int width_backup() const { return m_width; }
-  int height_backup() const { return m_height; }
-  int xpos_backup() const { return m_xpos; }
-  int ypos_backup() const { return m_ypos; }
+  bool windowed() { return fullscreen_mode() == GfxDisplayMode::Windowed; }
 
   int width();
   int height();
diff --git a/game/graphics/gfx.cpp b/game/graphics/gfx.cpp
index 294ec9e959..597c570e6b 100644
--- a/game/graphics/gfx.cpp
+++ b/game/graphics/gfx.cpp
@@ -223,7 +223,7 @@ void get_window_scale(float* x, float* y) {
 
 GfxDisplayMode get_fullscreen() {
   if (Display::GetMainDisplay()) {
-    return Display::GetMainDisplay()->get_fullscreen();
+    return Display::GetMainDisplay()->fullscreen_mode();
   } else {
     return GfxDisplayMode::Windowed;
   }
@@ -243,6 +243,13 @@ int get_screen_rate(s64 vmode_idx) {
   return 0;
 }
 
+int get_monitor_count() {
+  if (Display::GetMainDisplay()) {
+    return Display::GetMainDisplay()->get_monitor_count();
+  }
+  return 0;
+}
+
 void get_screen_size(s64 vmode_idx, s32* w, s32* h) {
   if (Display::GetMainDisplay()) {
     Display::GetMainDisplay()->get_screen_size(vmode_idx, w, h);
diff --git a/game/graphics/gfx.h b/game/graphics/gfx.h
index 844987bbd4..aaf0945b01 100644
--- a/game/graphics/gfx.h
+++ b/game/graphics/gfx.h
@@ -138,6 +138,7 @@ void get_window_scale(float* x, float* y);
 GfxDisplayMode get_fullscreen();
 int get_screen_vmode_count();
 int get_screen_rate(s64 vmode_idx);
+int get_monitor_count();
 void get_screen_size(s64 vmode_idx, s32* w, s32* h);
 void set_frame_rate(int rate);
 void set_vsync(bool vsync);
diff --git a/game/graphics/pipelines/opengl.cpp b/game/graphics/pipelines/opengl.cpp
index 5889f3d122..3f65a50003 100644
--- a/game/graphics/pipelines/opengl.cpp
+++ b/game/graphics/pipelines/opengl.cpp
@@ -78,24 +78,37 @@ struct GraphicsData {
 
 std::unique_ptr<GraphicsData> g_gfx_data;
 
-void SetDisplayCallbacks(GLFWwindow* d) {
-  glfwSetKeyCallback(
-      d, [](GLFWwindow* window, int key, int /*scancode*/, int action, int /*mods*/) {
-        if (action == GlfwKeyAction::Press) {
-          // lg::debug("KEY PRESS:   key: {} scancode: {} mods: {:X}", key, scancode, mods);
-          Pad::OnKeyPress(key);
-        } else if (action == GlfwKeyAction::Release) {
-          // lg::debug("KEY RELEASE: key: {} scancode: {} mods: {:X}", key, scancode, mods);
-          Pad::OnKeyRelease(key);
-          GLDisplay* display = reinterpret_cast<GLDisplay*>(glfwGetWindowUserPointer(window));
-          if (display != NULL) {  // toggle ImGui when pressing Alt
-            if ((key == GLFW_KEY_LEFT_ALT || key == GLFW_KEY_RIGHT_ALT) &&
-                glfwGetWindowAttrib(window, GLFW_FOCUSED)) {
-              display->set_imgui_visible(!display->is_imgui_visible());
-            }
-          }
-        }
-      });
+struct {
+  bool callbacks_registered = false;
+  GLFWmonitor** monitors;
+  int monitor_count;
+} g_glfw_state;
+
+void SetGlobalGLFWCallbacks() {
+  if (g_glfw_state.callbacks_registered) {
+    lg::warn("Global GLFW callbacks were already registered!");
+  }
+
+  // Get initial state
+  g_glfw_state.monitors = glfwGetMonitors(&g_glfw_state.monitor_count);
+
+  // Listen for events
+  glfwSetMonitorCallback([](GLFWmonitor* /*monitor*/, int /*event*/) {
+    // Reload monitor list
+    g_glfw_state.monitors = glfwGetMonitors(&g_glfw_state.monitor_count);
+  });
+
+  g_glfw_state.callbacks_registered = true;
+}
+
+void ClearGlobalGLFWCallbacks() {
+  if (!g_glfw_state.callbacks_registered) {
+    return;
+  }
+
+  glfwSetMonitorCallback(NULL);
+
+  g_glfw_state.callbacks_registered = false;
 }
 
 void ErrorCallback(int err, const char* msg) {
@@ -141,6 +154,7 @@ static int gl_init(GfxSettings& settings) {
 }
 
 static void gl_exit() {
+  ClearGlobalGLFWCallbacks();
   g_gfx_data.reset();
   glfwTerminate();
   glfwSetErrorCallback(NULL);
@@ -186,7 +200,7 @@ static std::shared_ptr<GfxDisplay> gl_make_display(int width,
     lg::error("Could not load icon for OpenGL window");
   }
 
-  SetDisplayCallbacks(window);
+  SetGlobalGLFWCallbacks();
   Pad::initialize();
 
   if (HasError()) {
@@ -228,13 +242,43 @@ static std::shared_ptr<GfxDisplay> gl_make_display(int width,
 
 GLDisplay::GLDisplay(GLFWwindow* window, bool is_main) : m_window(window) {
   m_main = is_main;
+
+  // Get initial state
+  get_position(&m_last_windowed_xpos, &m_last_windowed_ypos);
+  get_size(&m_last_windowed_width, &m_last_windowed_height);
+
+  // Listen for window-specific GLFW events
   glfwSetWindowUserPointer(window, reinterpret_cast<void*>(this));
+
+  glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+    GLDisplay* display = reinterpret_cast<GLDisplay*>(glfwGetWindowUserPointer(window));
+    display->on_key(window, key, scancode, action, mods);
+  });
+
+  glfwSetWindowPosCallback(window, [](GLFWwindow* window, int xpos, int ypos) {
+    GLDisplay* display = reinterpret_cast<GLDisplay*>(glfwGetWindowUserPointer(window));
+    display->on_window_pos(window, xpos, ypos);
+  });
+
+  glfwSetWindowSizeCallback(window, [](GLFWwindow* window, int width, int height) {
+    GLDisplay* display = reinterpret_cast<GLDisplay*>(glfwGetWindowUserPointer(window));
+    display->on_window_size(window, width, height);
+  });
+
+  glfwSetWindowIconifyCallback(window, [](GLFWwindow* window, int iconified) {
+    GLDisplay* display = reinterpret_cast<GLDisplay*>(glfwGetWindowUserPointer(window));
+    display->on_iconify(window, iconified);
+  });
 }
 
 GLDisplay::~GLDisplay() {
   ImGuiIO& io = ImGui::GetIO();
   io.IniFilename = nullptr;
   io.LogFilename = nullptr;
+  glfwSetKeyCallback(m_window, NULL);
+  glfwSetWindowPosCallback(m_window, NULL);
+  glfwSetWindowSizeCallback(m_window, NULL);
+  glfwSetWindowIconifyCallback(m_window, NULL);
   glfwSetWindowUserPointer(m_window, nullptr);
   ImGui_ImplOpenGL3_Shutdown();
   ImGui_ImplGlfw_Shutdown();
@@ -245,6 +289,38 @@ GLDisplay::~GLDisplay() {
   }
 }
 
+void GLDisplay::on_key(GLFWwindow* window, int key, int /*scancode*/, int action, int /*mods*/) {
+  if (action == GlfwKeyAction::Press) {
+    // lg::debug("KEY PRESS:   key: {} scancode: {} mods: {:X}", key, scancode, mods);
+    Pad::OnKeyPress(key);
+  } else if (action == GlfwKeyAction::Release) {
+    // lg::debug("KEY RELEASE: key: {} scancode: {} mods: {:X}", key, scancode, mods);
+    Pad::OnKeyRelease(key);
+    if ((key == GLFW_KEY_LEFT_ALT || key == GLFW_KEY_RIGHT_ALT) &&
+        glfwGetWindowAttrib(window, GLFW_FOCUSED)) {
+      set_imgui_visible(!is_imgui_visible());
+    }
+  }
+}
+
+void GLDisplay::on_window_pos(GLFWwindow* /*window*/, int xpos, int ypos) {
+  if (m_fullscreen_target_mode == GfxDisplayMode::Windowed) {
+    m_last_windowed_xpos = xpos;
+    m_last_windowed_ypos = ypos;
+  }
+}
+
+void GLDisplay::on_window_size(GLFWwindow* /*window*/, int width, int height) {
+  if (m_fullscreen_target_mode == GfxDisplayMode::Windowed) {
+    m_last_windowed_width = width;
+    m_last_windowed_height = height;
+  }
+}
+
+void GLDisplay::on_iconify(GLFWwindow* window, int iconified) {
+  m_minimized = iconified == GLFW_TRUE;
+}
+
 namespace {
 std::string make_output_file_name(const std::string& file_name) {
   file_util::create_dir_if_needed(file_util::get_file_path({"gfx_dumps"}));
@@ -353,25 +429,52 @@ void GLDisplay::get_scale(float* xs, float* ys) {
 
 void GLDisplay::set_size(int width, int height) {
   glfwSetWindowSize(m_window, width, height);
+
+  if (windowed()) {
+    m_last_windowed_width = width;
+    m_last_windowed_height = height;
+  }
 }
 
-void GLDisplay::update_fullscreen(GfxDisplayMode mode, int /*screen*/) {
-  GLFWmonitor* monitor = glfwGetPrimaryMonitor();  // todo
+void GLDisplay::update_fullscreen(GfxDisplayMode mode, int screen) {
+  GLFWmonitor* monitor = get_monitor(screen);
+
   switch (mode) {
     case GfxDisplayMode::Windowed: {
       // windowed
+      int x, y, width, height;
+
+      if (m_last_fullscreen_mode == GfxDisplayMode::Windowed) {
+        // windowed -> windowed, keep position and size
+        width = m_last_windowed_width;
+        height = m_last_windowed_height;
+        x = m_last_windowed_xpos;
+        y = m_last_windowed_ypos;
+      } else {
+        // fullscreen -> windowed, use last windowed size but on the monitor previously fullscreened
+        int monitorX, monitorY, monitorWidth, monitorHeight;
+        glfwGetMonitorWorkarea(monitor, &monitorX, &monitorY, &monitorWidth, &monitorHeight);
+
+        width = m_last_windowed_width;
+        height = m_last_windowed_height;
+        x = monitorX + (monitorWidth / 2) - (width / 2);
+        y = monitorY + (monitorHeight / 2) - (height / 2);
+      }
+
       glfwSetWindowAttrib(m_window, GLFW_DECORATED, GLFW_TRUE);
       glfwSetWindowFocusCallback(m_window, NULL);
       glfwSetWindowAttrib(m_window, GLFW_FLOATING, GLFW_FALSE);
-      glfwSetWindowMonitor(m_window, NULL, xpos_backup(), ypos_backup(), width_backup(),
-                           height_backup(), GLFW_DONT_CARE);
+      glfwSetWindowMonitor(m_window, NULL, x, y, width, height, GLFW_DONT_CARE);
       set_imgui_visible(true);
+
+      // these might have changed
+      m_last_windowed_width = width;
+      m_last_windowed_height = height;
+      m_last_windowed_xpos = x;
+      m_last_windowed_ypos = y;
     } break;
     case GfxDisplayMode::Fullscreen: {
       // fullscreen
-      if (windowed()) {
-        backup_params();
-      }
       const GLFWvidmode* vmode = glfwGetVideoMode(monitor);
       glfwSetWindowAttrib(m_window, GLFW_DECORATED, GLFW_FALSE);
       glfwSetWindowFocusCallback(m_window, NULL);
@@ -381,9 +484,6 @@ void GLDisplay::update_fullscreen(GfxDisplayMode mode, int /*screen*/) {
     } break;
     case GfxDisplayMode::Borderless: {
       // borderless fullscreen
-      if (windowed()) {
-        backup_params();
-      }
       int x, y;
       glfwGetMonitorPos(monitor, &x, &y);
       const GLFWvidmode* vmode = glfwGetVideoMode(monitor);
@@ -400,31 +500,20 @@ void GLDisplay::update_fullscreen(GfxDisplayMode mode, int /*screen*/) {
   }
 }
 
-GfxDisplayMode GLDisplay::get_fullscreen() {
-  GLFWmonitor* monitor = glfwGetPrimaryMonitor();  // todo
-  const GLFWvidmode* vmode = glfwGetVideoMode(monitor);
-  if (glfwGetWindowMonitor(m_window) != NULL) {
-    return GfxDisplayMode::Fullscreen;
-  } else if (width() >= vmode->width && height() >= vmode->height) {
-    return GfxDisplayMode::Borderless;
-  } else {
-    return GfxDisplayMode::Windowed;
-  }
-}
-
 int GLDisplay::get_screen_vmode_count() {
   int count = 0;
-  glfwGetVideoModes(glfwGetPrimaryMonitor(), &count);
+  glfwGetVideoModes(get_monitor(fullscreen_screen()), &count);
   return count;
 }
 
 void GLDisplay::get_screen_size(int vmode_idx, s32* w_out, s32* h_out) {
-  auto vmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
+  GLFWmonitor* monitor = get_monitor(fullscreen_screen());
+  auto vmode = glfwGetVideoMode(monitor);
   int count = 0;
-  auto vmodes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count);
+  auto vmodes = glfwGetVideoModes(monitor, &count);
   if (vmode_idx >= 0) {
     vmode = &vmodes[vmode_idx];
-  } else if (get_fullscreen() == GfxDisplayMode::Fullscreen) {
+  } else if (fullscreen_mode() == GfxDisplayMode::Fullscreen) {
     for (int i = 0; i < count; ++i) {
       if (!vmode || vmode->height < vmodes[i].height) {
         vmode = &vmodes[i];
@@ -440,12 +529,13 @@ void GLDisplay::get_screen_size(int vmode_idx, s32* w_out, s32* h_out) {
 }
 
 int GLDisplay::get_screen_rate(int vmode_idx) {
-  auto vmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
+  GLFWmonitor* monitor = get_monitor(fullscreen_screen());
+  auto vmode = glfwGetVideoMode(monitor);
   int count = 0;
-  auto vmodes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count);
+  auto vmodes = glfwGetVideoModes(monitor, &count);
   if (vmode_idx >= 0) {
     vmode = &vmodes[vmode_idx];
-  } else if (get_fullscreen() == GfxDisplayMode::Fullscreen) {
+  } else if (fullscreen_mode() == GfxDisplayMode::Fullscreen) {
     for (int i = 0; i < count; ++i) {
       if (!vmode || vmode->refreshRate < vmodes[i].refreshRate) {
         vmode = &vmodes[i];
@@ -455,14 +545,45 @@ int GLDisplay::get_screen_rate(int vmode_idx) {
   return vmode->refreshRate;
 }
 
+GLFWmonitor* GLDisplay::get_monitor(int index) {
+  if (index < 0 || index >= g_glfw_state.monitor_count) {
+    // out of bounds, default to primary monitor
+    index = 0;
+  }
+
+  return g_glfw_state.monitors[index];
+}
+
+int GLDisplay::get_monitor_count() {
+  return g_glfw_state.monitor_count;
+}
+
 bool GLDisplay::minimized() {
-  return glfwGetWindowAttrib(m_window, GLFW_ICONIFIED);
+  return m_minimized;
 }
 
 void GLDisplay::set_lock(bool lock) {
   glfwSetWindowAttrib(m_window, GLFW_RESIZABLE, lock ? GLFW_TRUE : GLFW_FALSE);
 }
 
+bool GLDisplay::fullscreen_pending() {
+  GLFWmonitor* monitor = get_monitor(fullscreen_screen());
+  auto vmode = glfwGetVideoMode(monitor);
+
+  return GfxDisplay::fullscreen_pending() ||
+         (vmode->width != m_last_video_mode.width || vmode->height != m_last_video_mode.height ||
+          vmode->refreshRate != m_last_video_mode.refreshRate);
+}
+
+void GLDisplay::fullscreen_flush() {
+  GfxDisplay::fullscreen_flush();
+
+  GLFWmonitor* monitor = get_monitor(fullscreen_screen());
+  auto vmode = glfwGetVideoMode(monitor);
+
+  m_last_video_mode = *vmode;
+}
+
 void update_global_profiler() {
   if (g_gfx_data->debug_gui.dump_events) {
     prof().set_enable(false);
@@ -567,15 +688,14 @@ void GLDisplay::render() {
     g_gfx_data->sync_cv.notify_all();
   }
 
+  // update fullscreen mode, if requested
   {
     auto p = scoped_prof("fullscreen-update");
-    // slow, takes ~0.15 ms on linux
-    auto current_fullscreen_mode = get_fullscreen();
-    // checking minimized also takes ~0.1 ms, only check if we need to update fullscreen modes
-    if (current_fullscreen_mode != m_fullscreen_target_mode && !minimized()) {
+    update_last_fullscreen_mode();
+
+    if (fullscreen_pending() && !minimized()) {
       fullscreen_flush();
     }
-    m_last_fullscreen_mode = current_fullscreen_mode;
   }
 
   // reboot whole game, if requested
diff --git a/game/graphics/pipelines/opengl.h b/game/graphics/pipelines/opengl.h
index 0f13215c67..4e9e798c3c 100644
--- a/game/graphics/pipelines/opengl.h
+++ b/game/graphics/pipelines/opengl.h
@@ -19,8 +19,6 @@ enum GlfwKeyAction {
 };
 
 class GLDisplay : public GfxDisplay {
-  GLFWwindow* m_window;
-
  public:
   GLDisplay(GLFWwindow* window, bool is_main);
   virtual ~GLDisplay();
@@ -32,12 +30,25 @@ class GLDisplay : public GfxDisplay {
   void get_screen_size(int vmode_idx, s32* w, s32* h);
   int get_screen_rate(int vmode_idx);
   int get_screen_vmode_count();
-  GfxDisplayMode get_fullscreen();
+  int get_monitor_count();
   void set_size(int w, int h);
   void update_fullscreen(GfxDisplayMode mode, int screen);
   void render();
   bool minimized();
+  bool fullscreen_pending() override;
+  void fullscreen_flush() override;
   void set_lock(bool lock);
+  void on_key(GLFWwindow* window, int key, int scancode, int action, int mods);
+  void on_window_pos(GLFWwindow* window, int xpos, int ypos);
+  void on_window_size(GLFWwindow* window, int width, int height);
+  void on_iconify(GLFWwindow* window, int iconified);
+
+ private:
+  GLFWwindow* m_window;
+  bool m_minimized = false;
+  GLFWvidmode m_last_video_mode = {0, 0, 0, 0, 0, 0};
+
+  GLFWmonitor* get_monitor(int index);
 };
 
 extern const GfxRendererModule gRendererOpenGL;
diff --git a/game/kernel/common/kmachine.cpp b/game/kernel/common/kmachine.cpp
index f2cbdc0e14..83a8da9a83 100644
--- a/game/kernel/common/kmachine.cpp
+++ b/game/kernel/common/kmachine.cpp
@@ -404,6 +404,13 @@ s64 get_screen_vmode_count() {
   return Gfx::get_screen_vmode_count();
 }
 
+/*!
+ * Returns the number of available monitors.
+ */
+int get_monitor_count() {
+  return Gfx::get_monitor_count();
+}
+
 void mkdir_path(u32 filepath) {
   auto filepath_str = std::string(Ptr<String>(filepath).c()->data());
   file_util::create_dir_if_needed_for_file(filepath_str);
diff --git a/game/kernel/common/kmachine.h b/game/kernel/common/kmachine.h
index 61e1290616..1eb1229f70 100644
--- a/game/kernel/common/kmachine.h
+++ b/game/kernel/common/kmachine.h
@@ -63,6 +63,7 @@ void get_window_scale(u32 x_ptr, u32 y_ptr);
 void get_screen_size(s64 vmode_idx, u32 w_ptr, u32 h_ptr);
 s64 get_screen_rate(s64 vmode_idx);
 s64 get_screen_vmode_count();
+int get_monitor_count();
 void mkdir_path(u32 filepath);
 u64 filepath_exists(u32 filepath);
 void prof_event(u32 name, u32 kind);
@@ -74,4 +75,4 @@ void set_collision_wireframe(u32 symptr);
 void set_collision_mask(GfxGlobalSettings::CollisionRendererMode mode, int mask, u32 symptr);
 u32 get_collision_mask(GfxGlobalSettings::CollisionRendererMode mode, int mask);
 u32 offset_of_s7();
-void vif_interrupt_callback();
\ No newline at end of file
+void vif_interrupt_callback();
diff --git a/game/kernel/jak1/kmachine.cpp b/game/kernel/jak1/kmachine.cpp
index eb58a3872b..019733fceb 100644
--- a/game/kernel/jak1/kmachine.cpp
+++ b/game/kernel/jak1/kmachine.cpp
@@ -622,6 +622,7 @@ void InitMachine_PCPort() {
   make_function_symbol_from_c("pc-get-screen-size", (void*)get_screen_size);
   make_function_symbol_from_c("pc-get-screen-rate", (void*)get_screen_rate);
   make_function_symbol_from_c("pc-get-screen-vmode-count", (void*)get_screen_vmode_count);
+  make_function_symbol_from_c("pc-get-monitor-count", (void*)get_monitor_count);
   make_function_symbol_from_c("pc-set-window-size", (void*)Gfx::set_window_size);
   make_function_symbol_from_c("pc-set-fullscreen", (void*)set_fullscreen);
   make_function_symbol_from_c("pc-set-frame-rate", (void*)set_frame_rate);
diff --git a/goal_src/jak1/engine/ui/progress/progress-h.gc b/goal_src/jak1/engine/ui/progress/progress-h.gc
index b0756a68f5..bed356092e 100644
--- a/goal_src/jak1/engine/ui/progress/progress-h.gc
+++ b/goal_src/jak1/engine/ui/progress/progress-h.gc
@@ -122,6 +122,7 @@
   (flava-player)
   (memcard-disable-auto-save)
   (memcard-auto-save-disabled)
+  (monitor)
 
   ;; the last one!
   (max)
@@ -155,6 +156,7 @@
   (button-music)
   (button-flava)
   (cheat-toggle)
+  (monitor)
   )
     )
   )
diff --git a/goal_src/jak1/engine/ui/progress/progress.gc b/goal_src/jak1/engine/ui/progress/progress.gc
index 7f61819b01..b7e436b7de 100644
--- a/goal_src/jak1/engine/ui/progress/progress.gc
+++ b/goal_src/jak1/engine/ui/progress/progress.gc
@@ -842,6 +842,7 @@
                         (= v1-2 (progress-screen cheats))
                         (= v1-2 (progress-screen music-player))
                         (= v1-2 (progress-screen flava-player))
+                        (= v1-2 (progress-screen monitor))
                         )
                     )
                   )
diff --git a/goal_src/jak1/engine/ui/text-h.gc b/goal_src/jak1/engine/ui/text-h.gc
index e36e99277c..2a12ef73b1 100644
--- a/goal_src/jak1/engine/ui/text-h.gc
+++ b/goal_src/jak1/engine/ui/text-h.gc
@@ -631,6 +631,8 @@
   (subtitle-enabled             #x1040)
   (subtitle-disabled            #x1041)
   (text-language                #x1042)
+  (display                      #x1043)
+  (display-fmt                  #x1044)
   (msaa                         #x1050)
   (x-times-fmt                  #x1051)
   (2-times                      #x1052)
diff --git a/goal_src/jak1/kernel-defs.gc b/goal_src/jak1/kernel-defs.gc
index 92b5f5eaf0..d45a355ff5 100644
--- a/goal_src/jak1/kernel-defs.gc
+++ b/goal_src/jak1/kernel-defs.gc
@@ -337,6 +337,7 @@
 (define-extern pc-get-screen-size (function int (pointer int32) (pointer int32) none))
 (define-extern pc-get-screen-rate (function int int))
 (define-extern pc-get-screen-vmode-count (function int))
+(define-extern pc-get-monitor-count (function int))
 (define-extern pc-get-os (function symbol))
 (define-extern pc-get-window-size (function (pointer int32) (pointer int32) none))
 (define-extern pc-get-window-scale (function (pointer float) (pointer float) none))
diff --git a/goal_src/jak1/pc/pckernel-h.gc b/goal_src/jak1/pc/pckernel-h.gc
index 1ca271ef7a..f976eca28f 100644
--- a/goal_src/jak1/pc/pckernel-h.gc
+++ b/goal_src/jak1/pc/pckernel-h.gc
@@ -219,6 +219,7 @@
    (vsync? symbol) ;; vsync.
    (font-scale float) ;; font scaling.
    (window-lock? symbol) ;; whether the window can be resized by the user or not.
+   (monitor int32) ;; index of which monitor to use when fullscreen or borderless
 
    ;; debug settings
    (os symbol) ;; windows, linux, macos
@@ -330,6 +331,7 @@
     (set-aspect-ratio! (_type_ float) none)
     (set-window-lock! (_type_ symbol) symbol)
     (set-frame-rate! (_type_ int) int)
+    (set-monitor! (_type_ int) none)
     (read-from-file (_type_ string) symbol)
     (write-to-file (_type_ string) symbol)
     (update-cheats (_type_) int)
diff --git a/goal_src/jak1/pc/pckernel.gc b/goal_src/jak1/pc/pckernel.gc
index f2f888156d..30159918a8 100644
--- a/goal_src/jak1/pc/pckernel.gc
+++ b/goal_src/jak1/pc/pckernel.gc
@@ -122,6 +122,11 @@
 
   rate)
 
+(defmethod set-monitor! pc-settings ((obj pc-settings) (monitor int))
+  "set the monitor to use when in fullscreen/borderless"
+  (set! (-> obj monitor) monitor)
+  (none))
+
 (defmethod commit-to-file pc-settings ((obj pc-settings))
   "commits the current settings to the file"
   ;; auto load settings if available
@@ -187,8 +192,16 @@
      )
     )
 
+  ;; if monitor selection is out of bounds (e.g. if a monitor got disconnected),
+  ;; then default to the primary monitor
+  (when (>= (-> obj monitor) (pc-get-monitor-count))
+    (format 0 "Monitor selection out of bounds, defaulting to primary monitor.~%")
+    (set! (-> obj monitor) 0)
+    )
+
   ;; set fullscreen to what we want
-  (pc-set-fullscreen (-> obj display-mode) 0)
+  (pc-set-fullscreen (-> obj display-mode) (-> obj monitor))
+
   ;; set window size and fps automatically if the window lock is enabled.
   (when (-> obj window-lock?)
     (pc-set-vsync (-> obj vsync?))
@@ -786,6 +799,7 @@
                       )
                   )
                 (("display-mode") (set-display-mode! obj (file-stream-read-symbol file)))
+                (("monitor") (set-monitor! obj (file-stream-read-int file)))
                 (("letterbox") (set! (-> obj letterbox?) (file-stream-read-symbol file)))
                 (("vsync") (set! (-> obj vsync?) (file-stream-read-symbol file)))
                 (("font-scale") (set! (-> obj font-scale) (file-stream-read-float file)))
@@ -903,6 +917,7 @@
                                                   (-> obj aspect-custom-x) (-> obj aspect-custom-y)
                                                   (-> obj aspect-ratio-auto?))
     (format file "  (display-mode ~A)~%" (-> obj display-mode))
+    (format file "  (monitor ~D)~%" (-> obj monitor))
     (format file "  (letterbox ~A)~%" (-> obj letterbox?))
     (format file "  (vsync ~A)~%" (-> obj vsync?))
     (format file "  (font-scale ~f)~%" (-> obj font-scale))
diff --git a/goal_src/jak1/pc/progress-pc.gc b/goal_src/jak1/pc/progress-pc.gc
index 8031eba102..fa32e33736 100644
--- a/goal_src/jak1/pc/progress-pc.gc
+++ b/goal_src/jak1/pc/progress-pc.gc
@@ -138,6 +138,7 @@
 (define *graphic-options-pc* (new 'static 'boxed-array :type game-option
     (new 'static 'game-option :option-type (game-option-type menu) :name (game-text-id game-resolution) :scale #t :param3 (game-option-menu resolution))
     (new 'static 'game-option :option-type (game-option-type display-mode) :name (game-text-id display-mode) :scale #t)
+    (new 'static 'game-option :option-type (game-option-type menu) :name (game-text-id display) :scale #t :param3 (game-option-menu monitor))
     (new 'static 'game-option :option-type (game-option-type on-off) :name (game-text-id vsync) :scale #t)
     (new 'static 'game-option :option-type (game-option-type menu) :name (game-text-id aspect-ratio) :scale #t :param3 (game-option-menu aspect-ratio))
     (new 'static 'game-option :option-type (game-option-type msaa) :name (game-text-id msaa) :scale #t)
@@ -502,6 +503,22 @@
   *temp-options*
   )
 
+(defun build-monitor-options ()
+  (set! (-> *temp-options* length) 0)
+
+  (dotimes (i (pc-get-monitor-count))
+    (let ((option (-> *temp-options* (length *temp-options*))))
+      (set! (-> option option-type) (game-option-type monitor))
+      (set! (-> option name) (game-text-id display-fmt))
+      (set! (-> option param1) (the float i))
+      (set! (-> option scale) #t)
+
+      (1+! (-> *temp-options* length))
+      )
+    )
+  
+  (add-back-option)
+  )
 
 
 
@@ -681,6 +698,7 @@
   (set! (-> *options-remap* (progress-screen flava-player))               *temp-options*)
   (set! (-> *options-remap* (progress-screen memcard-disable-auto-save))  *yes-no-options*)
   (set! (-> *options-remap* (progress-screen memcard-auto-save-disabled)) *ok-options*)
+  (set! (-> *options-remap* (progress-screen monitor))                    *temp-options*)
 
   ;; set default params
   (set! (-> *progress-state* aspect-ratio-choice) (get-aspect-ratio))
@@ -710,9 +728,10 @@
   (set! (-> *game-options-pc* 6 value-to-modify) (&-> *progress-carousell* int-backup))
   (set! (-> *game-options-pc* 7 value-to-modify) (&-> *progress-carousell* int-backup))
   (set! (-> *graphic-options-pc* 1 value-to-modify) (&-> *progress-carousell* int-backup))
-  (set! (-> *graphic-options-pc* 2 value-to-modify) (&-> *pc-settings* vsync?))
-  (set! (-> *graphic-options-pc* 4 value-to-modify) (&-> *progress-carousell* int-backup))
+  (set! (-> *graphic-options-pc* 2 value-to-modify) (&-> *pc-settings* monitor))
+  (set! (-> *graphic-options-pc* 3 value-to-modify) (&-> *pc-settings* vsync?))
   (set! (-> *graphic-options-pc* 5 value-to-modify) (&-> *progress-carousell* int-backup))
+  (set! (-> *graphic-options-pc* 6 value-to-modify) (&-> *progress-carousell* int-backup))
   (set! (-> *graphic-options-no-frame-rate-pc* 1 value-to-modify) (&-> *progress-carousell* int-backup))
   (set! (-> *graphic-options-no-frame-rate-pc* 2 value-to-modify) (&-> *pc-settings* vsync?))
   (set! (-> *graphic-options-no-frame-rate-pc* 4 value-to-modify) (&-> *progress-carousell* int-backup))
@@ -772,6 +791,9 @@
           (set! (-> *options-remap* (-> obj display-state)) *secrets-title*)
           (set! (-> *options-remap* (-> obj display-state)) *secrets*))
       )
+    (((progress-screen monitor))
+      (build-monitor-options)
+      )
     )
   ;; run nav code
   (let ((options (-> *options-remap* (-> obj display-state))))
@@ -1174,6 +1196,17 @@
                (set! (-> obj next-display-state) (progress-screen invalid))
                (commit-to-file *pc-settings*)
                )
+              ((= (-> options (-> obj option-index) option-type) (game-option-type monitor))
+               ;; monitor button
+               (let ((monitor (the int (-> options (-> obj option-index) param1))))
+                 (set-monitor! *pc-settings* monitor)
+                 )
+               (cpad-clear! 0 x)
+               (cpad-clear! 0 circle)
+               (sound-play "cursor-options")
+               (set! (-> obj next-display-state) (progress-screen invalid))
+               (commit-to-file *pc-settings*)
+               )
               ((= (-> options (-> obj option-index) option-type) (game-option-type aspect-new))
                ;; aspect ratio button.
                (let ((newx (the int (-> options (-> obj option-index) param1)))
@@ -1725,6 +1758,14 @@
              (set! option-str (string-format (lookup-text! *common-text* (-> options index name) #f)
                                       (the int (-> options index param1)) (the int (-> options index param2))))
              )
+            (((game-option-type monitor))
+              ;; monitor list
+             (set! option-str 
+                   (string-format (lookup-text! *common-text* (-> options index name) #f)
+                                  (+ 1 (the int (-> options index param1)))
+                                  )
+                   )
+             )
             (else
              (cond
               ((and (-> obj selected-option) (= (-> obj option-index) index))
@@ -2143,6 +2184,7 @@
           (progress-screen aspect-ratio)
           (progress-screen secrets)
           (progress-screen cheats)
+          (progress-screen monitor)
           )
          (hide-progress-icons)
          (draw-options self 115 25 0.82)
diff --git a/third-party/imgui/imgui_impl_glfw.cpp b/third-party/imgui/imgui_impl_glfw.cpp
index 9cfe8a9330..0f5e145749 100644
--- a/third-party/imgui/imgui_impl_glfw.cpp
+++ b/third-party/imgui/imgui_impl_glfw.cpp
@@ -197,8 +197,12 @@ void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c)
     io.AddInputCharacter(c);
 }
 
-void ImGui_ImplGlfw_MonitorCallback(GLFWmonitor*, int)
+void ImGui_ImplGlfw_MonitorCallback(GLFWmonitor* monitor, int event)
 {
+  ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
+  if (bd->PrevUserCallbackMonitor != NULL)
+    bd->PrevUserCallbackMonitor(monitor, event);
+
 	// Unused in 'master' branch but 'docking' branch will use this, so we declare it ahead of it so if you have to install callbacks you can install this one too.
 }