diff --git a/src/game/data/data_020df0.c b/src/game/data/data_020df0.c
index 9c65da398..1427792c8 100644
--- a/src/game/data/data_020df0.c
+++ b/src/game/data/data_020df0.c
@@ -6326,37 +6326,41 @@ struct smoketype g_SmokeTypes[NUM_SMOKETYPES] = {
 u32 var8007ec7c = 0x00000000;
 
 // 24ca0
-u32 sparktable[] = {
-	/*0x00*/ 0x0064001c, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x01*/ 0x0064001c, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0x80ffffff, 0xffffffff, 0x3ca3d70a,
-	/*0x02*/ 0x0028ffff, 0x001e001e, 0x00000000, 0x40000000, 0x00230023, 0x00050000, 0x00000001, 0x301010ff, 0x401010ff, 0x3ca3d70a,
-	/*0x03*/ 0x0028ffff, 0x012c00c8, 0x00000000, 0x3e19999a, 0x00050005, 0x00040000, 0x00000001, 0xffffff40, 0x560011a0, 0x3ca3d70a,
-	/*0x04*/ 0x000a0001, 0x04b00190, 0x00000000, 0x3e19999a, 0x00050005, 0x00050000, 0x00000001, 0xa0a0e000, 0xffffffff, 0x3ca3d70a,
-	/*0x05*/ 0x0028000a, 0x000a000a, 0x00000000, 0x40400000, 0x00b4005a, 0x00050000, 0x00000001, 0x00ff6aff, 0xffffffff, 0x3ca3d70a,
-	/*0x06*/ 0x000f000a, 0x00140014, 0x00000000, 0x3f266666, 0x00b4005a, 0x00050000, 0x00000001, 0xa0a0e0ff, 0xffffffff, 0x3ca3d70a,
-	/*0x07*/ 0x00010001, 0x00780002, 0x00000000, 0x00000000, 0x003c003c, 0x00050000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x08*/ 0x00010001, 0x012c0032, 0x00000000, 0x00000000, 0x00050005, 0x00050000, 0x00000001, 0xffff8000, 0xffffffff, 0x3ca3d70a,
-	/*0x09*/ 0x00010001, 0x01900064, 0x00000000, 0x00000000, 0x000a000a, 0x00050000, 0x00000001, 0xffff8000, 0xffffffff, 0x3ca3d70a,
-	/*0x0a*/ 0x004b0064, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x0b*/ 0x004b0064, 0x00140005, 0x00000000, 0x3fc00000, 0x003c003c, 0x00140000, 0x00000001, 0xa0a0e0ff, 0xffffffff, 0x3ca3d70a,
-	/*0x0c*/ 0x0014000a, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x0d*/ 0x0014000a, 0x00140005, 0x00000000, 0x3fc00000, 0x003c003c, 0x00140000, 0x00000001, 0xa0a0e0ff, 0xffffffff, 0x3ca3d70a,
-	/*0x0e*/ 0x00010000, 0x00500001, 0x001e0005, 0x00000000, 0x0078005a, 0x000f0000, 0x00000000, 0x0808f000, 0xffffffff, 0x3ca3d70a,
-	/*0x0f*/ 0x00460000, 0x0096000f, 0x00000000, 0x40c00000, 0x0028000a, 0x00030000, 0x00000000, 0x11112880, 0xaaaaaa40, 0x3ca3d70a,
-	/*0x10*/ 0x0032001c, 0x00640001, 0x00000000, 0x3f800000, 0x003c001e, 0x000a0000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x11*/ 0x012c0064, 0x00640002, 0x00000000, 0x3e99999a, 0x001e0001, 0x00280000, 0x00000002, 0xffff80ff, 0xffffffff, 0x3dcccccd,
-	/*0x12*/ 0x00aa0050, 0x003c0005, 0x00000000, 0x3ecccccd, 0x001e0005, 0x000a0000, 0x00000003, 0xa0a0e0ff, 0xffffffff, 0x3dcccccd,
-	/*0x13*/ 0x00780028, 0x001e0007, 0x00000000, 0x3e4ccccd, 0x003c0005, 0x000f0000, 0x00000003, 0xffff80ff, 0xffffffff, 0x3dcccccd,
-	/*0x14*/ 0x0050000a, 0x000a0009, 0x00000000, 0x3dcccccd, 0x001e0005, 0x00140000, 0x00000003, 0xa0a0e0ff, 0xffffffff, 0x3dcccccd,
-	/*0x15*/ 0x00640001, 0x00640032, 0x00000000, 0x40000000, 0x001e0014, 0x000f0000, 0x00000001, 0xffff80ff, 0xffffffff, 0x3ca3d70a,
-	/*0x16*/ 0x0064001c, 0x00640001, 0x00000000, 0x40000000, 0x00780078, 0x001e0000, 0x00000001, 0xff8080ff, 0xffff80ff, 0x3ca3d70a,
-	/*0x17*/ 0x0064001c, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0x4fff4fff, 0xffffffff, 0x3ca3d70a,
-	/*0x18*/ 0x0064001c, 0x00640001, 0x00000000, 0x40000000, 0x003c003c, 0x000f0000, 0x00000001, 0xffff7f7f, 0xffffffff, 0x3ca3d70a,
-	/*0x19*/ 0x0028ffff, 0x001e000a, 0x00000000, 0x40000000, 0x00320023, 0x000a0000, 0x00000001, 0x301010ff, 0x401010ff, 0x3ca3d70a,
-	/*0x1a*/ 0x00460000, 0x0096000f, 0x00000000, 0x40c00000, 0x0028000a, 0x00030000, 0x00000000, 0x1111a880, 0xaaaaff40, 0x3ca3d70a,
+struct sparktype g_SparkTypes[] = {
+	//                                     weight
+	//                                     |     max age
+	//                                     |     |                                        decel
+	//                                     |     |                                        |
+	/*0x00*/ { 100, 28,  100,  1,   0,  0, 2,    60,  60,  15, 1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x01*/ { 100, 28,  100,  1,   0,  0, 2,    60,  60,  15, 1, 0x80ffffff, 0xffffffff, 0.02 },
+	/*0x02*/ { 40,  -1,  30,   30,  0,  0, 2,    35,  35,  5,  1, 0x301010ff, 0x401010ff, 0.02 },
+	/*0x03*/ { 40,  -1,  300,  200, 0,  0, 0.15, 5,   5,   4,  1, 0xffffff40, 0x560011a0, 0.02 },
+	/*0x04*/ { 10,  1,   1200, 400, 0,  0, 0.15, 5,   5,   5,  1, 0xa0a0e000, 0xffffffff, 0.02 },
+	/*0x05*/ { 40,  10,  10,   10,  0,  0, 3,    180, 90,  5,  1, 0x00ff6aff, 0xffffffff, 0.02 },
+	/*0x06*/ { 15,  10,  20,   20,  0,  0, 0.65, 180, 90,  5,  1, 0xa0a0e0ff, 0xffffffff, 0.02 },
+	/*0x07*/ { 1,   1,   120,  2,   0,  0, 0,    60,  60,  5,  1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x08*/ { 1,   1,   300,  50,  0,  0, 0,    5,   5,   5,  1, 0xffff8000, 0xffffffff, 0.02 },
+	/*0x09*/ { 1,   1,   400,  100, 0,  0, 0,    10,  10,  5,  1, 0xffff8000, 0xffffffff, 0.02 },
+	/*0x0a*/ { 75,  100, 100,  1,   0,  0, 2,    60,  60,  15, 1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x0b*/ { 75,  100, 20,   5,   0,  0, 1.5,  60,  60,  20, 1, 0xa0a0e0ff, 0xffffffff, 0.02 },
+	/*0x0c*/ { 20,  10,  100,  1,   0,  0, 2,    60,  60,  15, 1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x0d*/ { 20,  10,  20,   5,   0,  0, 1.5,  60,  60,  20, 1, 0xa0a0e0ff, 0xffffffff, 0.02 },
+	/*0x0e*/ { 1,   0,   80,   1,   30, 5, 0,    120, 90,  15, 0, 0x0808f000, 0xffffffff, 0.02 },
+	/*0x0f*/ { 70,  0,   150,  15,  0,  0, 6,    40,  10,  3,  0, 0x11112880, 0xaaaaaa40, 0.02 },
+	/*0x10*/ { 50,  28,  100,  1,   0,  0, 1,    60,  30,  10, 1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x11*/ { 300, 100, 100,  2,   0,  0, 0.3,  30,  1,   40, 2, 0xffff80ff, 0xffffffff, 0.1  },
+	/*0x12*/ { 170, 80,  60,   5,   0,  0, 0.4,  30,  5,   10, 3, 0xa0a0e0ff, 0xffffffff, 0.1  },
+	/*0x13*/ { 120, 40,  30,   7,   0,  0, 0.2,  60,  5,   15, 3, 0xffff80ff, 0xffffffff, 0.1  },
+	/*0x14*/ { 80,  10,  10,   9,   0,  0, 0.1,  30,  5,   20, 3, 0xa0a0e0ff, 0xffffffff, 0.1  },
+	/*0x15*/ { 100, 1,   100,  50,  0,  0, 2,    30,  20,  15, 1, 0xffff80ff, 0xffffffff, 0.02 },
+	/*0x16*/ { 100, 28,  100,  1,   0,  0, 2,    120, 120, 30, 1, 0xff8080ff, 0xffff80ff, 0.02 },
+	/*0x17*/ { 100, 28,  100,  1,   0,  0, 2,    60,  60,  15, 1, 0x4fff4fff, 0xffffffff, 0.02 },
+	/*0x18*/ { 100, 28,  100,  1,   0,  0, 2,    60,  60,  15, 1, 0xffff7f7f, 0xffffffff, 0.02 },
+	/*0x19*/ { 40,  -1,  30,   10,  0,  0, 2,    50,  35,  10, 1, 0x301010ff, 0x401010ff, 0.02 },
+	/*0x1a*/ { 70,  0,   150,  15,  0,  0, 6,    40,  10,  3,  0, 0x1111a880, 0xaaaaff40, 0.02 },
 };
 
-u32 var8007f0b8 = 0x00000000;
+s32 g_SparksAreActive = false;
 u32 var8007f0bc = 0x00000000;
 struct weatherdata *g_WeatherData = NULL;
 
diff --git a/src/game/game_013260.c b/src/game/game_013260.c
index 17e53a99c..23352c2fc 100644
--- a/src/game/game_013260.c
+++ b/src/game/game_013260.c
@@ -13,20 +13,20 @@
 GLOBAL_ASM(
 glabel func0f013260
 /*  f013260:	3c01800a */ 	lui	$at,%hi(var800a3fc0)
-/*  f013264:	3c03800a */ 	lui	$v1,%hi(var800a3fc8)
+/*  f013264:	3c03800a */ 	lui	$v1,%hi(g_SparkGroups)
 /*  f013268:	3c02800a */ 	lui	$v0,%hi(var800a4130)
 /*  f01326c:	ac203fc0 */ 	sw	$zero,%lo(var800a3fc0)($at)
 /*  f013270:	24424130 */ 	addiu	$v0,$v0,%lo(var800a4130)
-/*  f013274:	24633fc8 */ 	addiu	$v1,$v1,%lo(var800a3fc8)
+/*  f013274:	24633fc8 */ 	addiu	$v1,$v1,%lo(g_SparkGroups)
 .L0f013278:
 /*  f013278:	24630024 */ 	addiu	$v1,$v1,0x24
 /*  f01327c:	1462fffe */ 	bne	$v1,$v0,.L0f013278
 /*  f013280:	ac60ffe4 */ 	sw	$zero,-0x1c($v1)
 /*  f013284:	3c01800a */ 	lui	$at,%hi(var800a4130)
 /*  f013288:	ac204130 */ 	sw	$zero,%lo(var800a4130)($at)
-/*  f01328c:	3c018008 */ 	lui	$at,%hi(var8007f0b8)
+/*  f01328c:	3c018008 */ 	lui	$at,%hi(g_SparksAreActive)
 /*  f013290:	03e00008 */ 	jr	$ra
-/*  f013294:	ac20f0b8 */ 	sw	$zero,%lo(var8007f0b8)($at)
+/*  f013294:	ac20f0b8 */ 	sw	$zero,%lo(g_SparksAreActive)($at)
 /*  f013298:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f01329c:	00000000 */ 	sll	$zero,$zero,0x0
 );
@@ -34,17 +34,17 @@ glabel func0f013260
 // Mismatch because the lui %hi instructions are swapped
 //void func0f013260(void)
 //{
-//	struct gvars800a3fc8 *current;
-//	struct gvars800a3fc8 *end;
+//	struct sparkgroup *group;
+//	struct sparkgroup *end;
 //	var800a3fc0 = 0;
-//	end = &var800a3fc8[10];
-//	current = &var800a3fc8[0];
+//	end = &g_SparkGroups[10];
+//	group = &g_SparkGroups[0];
 //
-//	while (current != end) {
-//		current->unk08 = 0;
-//		current++;
+//	while (group != end) {
+//		group->age = 0;
+//		group++;
 //	}
 //
 //	var800a4130 = 0;
-//	var8007f0b8 = 0;
+//	g_SparksAreActive = 0;
 //}
diff --git a/src/game/game_12f6c0.c b/src/game/game_12f6c0.c
index 26985e899..be813366e 100644
--- a/src/game/game_12f6c0.c
+++ b/src/game/game_12f6c0.c
@@ -40,11 +40,11 @@ glabel func0f12f6c0
 /*  f12f6d8:	0301001a */ 	div	$zero,$t8,$at
 /*  f12f6dc:	000270c0 */ 	sll	$t6,$v0,0x3
 /*  f12f6e0:	44800000 */ 	mtc1	$zero,$f0
-/*  f12f6e4:	3c0f800a */ 	lui	$t7,%hi(var800a34d0)
+/*  f12f6e4:	3c0f800a */ 	lui	$t7,%hi(g_Sparks)
 /*  f12f6e8:	01c27023 */ 	subu	$t6,$t6,$v0
 /*  f12f6ec:	afb00014 */ 	sw	$s0,0x14($sp)
 /*  f12f6f0:	000e7080 */ 	sll	$t6,$t6,0x2
-/*  f12f6f4:	25ef34d0 */ 	addiu	$t7,$t7,%lo(var800a34d0)
+/*  f12f6f4:	25ef34d0 */ 	addiu	$t7,$t7,%lo(g_Sparks)
 /*  f12f6f8:	0000c810 */ 	mfhi	$t9
 /*  f12f6fc:	afbf001c */ 	sw	$ra,0x1c($sp)
 /*  f12f700:	afb10018 */ 	sw	$s1,0x18($sp)
@@ -214,12 +214,12 @@ glabel func0f12f6c0
 
 GLOBAL_ASM(
 glabel func0f12f95c
-/*  f12f95c:	3c03800a */ 	lui	$v1,%hi(var800a3fc8)
+/*  f12f95c:	3c03800a */ 	lui	$v1,%hi(g_SparkGroups)
 /*  f12f960:	3c07800a */ 	lui	$a3,%hi(var800a4130)
 /*  f12f964:	3c05800a */ 	lui	$a1,%hi(var800a3fc0)
 /*  f12f968:	24a53fc0 */ 	addiu	$a1,$a1,%lo(var800a3fc0)
 /*  f12f96c:	24e74130 */ 	addiu	$a3,$a3,%lo(var800a4130)
-/*  f12f970:	24633fc8 */ 	addiu	$v1,$v1,%lo(var800a3fc8)
+/*  f12f970:	24633fc8 */ 	addiu	$v1,$v1,%lo(g_SparkGroups)
 /*  f12f974:	24060064 */ 	addiu	$a2,$zero,0x64
 .L0f12f978:
 /*  f12f978:	50830019 */ 	beql	$a0,$v1,.L0f12f9e0
@@ -266,17 +266,17 @@ glabel func0f12f9f0
 /*  f12f9fc:	24634130 */ 	addiu	$v1,$v1,%lo(var800a4130)
 /*  f12fa00:	8c6e0000 */ 	lw	$t6,0x0($v1)
 /*  f12fa04:	00194080 */ 	sll	$t0,$t9,0x2
-/*  f12fa08:	3c098008 */ 	lui	$t1,%hi(sparktable)
+/*  f12fa08:	3c098008 */ 	lui	$t1,%hi(g_SparkTypes)
 /*  f12fa0c:	01194021 */ 	addu	$t0,$t0,$t9
 /*  f12fa10:	000e78c0 */ 	sll	$t7,$t6,0x3
 /*  f12fa14:	afb00014 */ 	sw	$s0,0x14($sp)
-/*  f12fa18:	3c18800a */ 	lui	$t8,%hi(var800a3fc8)
+/*  f12fa18:	3c18800a */ 	lui	$t8,%hi(g_SparkGroups)
 /*  f12fa1c:	000840c0 */ 	sll	$t0,$t0,0x3
-/*  f12fa20:	2529ec80 */ 	addiu	$t1,$t1,%lo(sparktable)
+/*  f12fa20:	2529ec80 */ 	addiu	$t1,$t1,%lo(g_SparkTypes)
 /*  f12fa24:	01ee7821 */ 	addu	$t7,$t7,$t6
 /*  f12fa28:	afb10018 */ 	sw	$s1,0x18($sp)
 /*  f12fa2c:	000f7880 */ 	sll	$t7,$t7,0x2
-/*  f12fa30:	27183fc8 */ 	addiu	$t8,$t8,%lo(var800a3fc8)
+/*  f12fa30:	27183fc8 */ 	addiu	$t8,$t8,%lo(g_SparkGroups)
 /*  f12fa34:	01098021 */ 	addu	$s0,$t0,$t1
 /*  f12fa38:	24010002 */ 	addiu	$at,$zero,0x2
 /*  f12fa3c:	afbf001c */ 	sw	$ra,0x1c($sp)
@@ -436,8 +436,8 @@ glabel func0f12f9f0
 /*  f12fc68:	00001825 */ 	or	$v1,$zero,$zero
 /*  f12fc6c:	11e00016 */ 	beqz	$t7,.L0f12fcc8
 /*  f12fc70:	00004140 */ 	sll	$t0,$zero,0x5
-/*  f12fc74:	3c0d800a */ 	lui	$t5,%hi(var800a3fc8)
-/*  f12fc78:	25ad3fc8 */ 	addiu	$t5,$t5,%lo(var800a3fc8)
+/*  f12fc74:	3c0d800a */ 	lui	$t5,%hi(g_SparkGroups)
+/*  f12fc78:	25ad3fc8 */ 	addiu	$t5,$t5,%lo(g_SparkGroups)
 /*  f12fc7c:	010d1021 */ 	addu	$v0,$t0,$t5
 /*  f12fc80:	8c580008 */ 	lw	$t8,0x8($v0)
 .L0f12fc84:
@@ -456,8 +456,8 @@ glabel func0f12f9f0
 /*  f12fcac:	108100e0 */ 	beq	$a0,$at,.L0f130030
 /*  f12fcb0:	000448c0 */ 	sll	$t1,$a0,0x3
 /*  f12fcb4:	01244821 */ 	addu	$t1,$t1,$a0
-/*  f12fcb8:	3c19800a */ 	lui	$t9,%hi(var800a3fc8)
-/*  f12fcbc:	27393fc8 */ 	addiu	$t9,$t9,%lo(var800a3fc8)
+/*  f12fcb8:	3c19800a */ 	lui	$t9,%hi(g_SparkGroups)
+/*  f12fcbc:	27393fc8 */ 	addiu	$t9,$t9,%lo(g_SparkGroups)
 /*  f12fcc0:	00094880 */ 	sll	$t1,$t1,0x2
 /*  f12fcc4:	01398821 */ 	addu	$s1,$t1,$t9
 .L0f12fcc8:
@@ -690,8 +690,8 @@ glabel func0f12f9f0
 .L0f130024:
 /*  f130024:	240e0001 */ 	addiu	$t6,$zero,0x1
 .L0f130028:
-/*  f130028:	3c018008 */ 	lui	$at,%hi(var8007f0b8)
-/*  f13002c:	ac2ef0b8 */ 	sw	$t6,%lo(var8007f0b8)($at)
+/*  f130028:	3c018008 */ 	lui	$at,%hi(g_SparksAreActive)
+/*  f13002c:	ac2ef0b8 */ 	sw	$t6,%lo(g_SparksAreActive)($at)
 .L0f130030:
 /*  f130030:	8fbf001c */ 	lw	$ra,0x1c($sp)
 /*  f130034:	8fb00014 */ 	lw	$s0,0x14($sp)
@@ -703,8 +703,8 @@ glabel func0f12f9f0
 GLOBAL_ASM(
 glabel func0f130044
 /*  f130044:	27bdfe90 */ 	addiu	$sp,$sp,-368
-/*  f130048:	3c0e8008 */ 	lui	$t6,%hi(var8007f0b8)
-/*  f13004c:	8dcef0b8 */ 	lw	$t6,%lo(var8007f0b8)($t6)
+/*  f130048:	3c0e8008 */ 	lui	$t6,%hi(g_SparksAreActive)
+/*  f13004c:	8dcef0b8 */ 	lw	$t6,%lo(g_SparksAreActive)($t6)
 /*  f130050:	afbf0074 */ 	sw	$ra,0x74($sp)
 /*  f130054:	afbe0070 */ 	sw	$s8,0x70($sp)
 /*  f130058:	afb7006c */ 	sw	$s7,0x6c($sp)
@@ -867,9 +867,9 @@ glabel func0f130044
 /*  f1302a8:	ad0a0000 */ 	sw	$t2,0x0($t0)
 /*  f1302ac:	c43c5608 */ 	lwc1	$f28,%lo(var7f1b5608)($at)
 /*  f1302b0:	3c013f80 */ 	lui	$at,0x3f80
-/*  f1302b4:	3c13800a */ 	lui	$s3,%hi(var800a3fc8)
+/*  f1302b4:	3c13800a */ 	lui	$s3,%hi(g_SparkGroups)
 /*  f1302b8:	4481c000 */ 	mtc1	$at,$f24
-/*  f1302bc:	26733fc8 */ 	addiu	$s3,$s3,%lo(var800a3fc8)
+/*  f1302bc:	26733fc8 */ 	addiu	$s3,$s3,%lo(g_SparkGroups)
 /*  f1302c0:	c7b60120 */ 	lwc1	$f22,0x120($sp)
 /*  f1302c4:	c7ba013c */ 	lwc1	$f26,0x13c($sp)
 /*  f1302c8:	241e01f0 */ 	addiu	$s8,$zero,0x1f0
@@ -992,9 +992,9 @@ glabel func0f130044
 /*  f130480:	00008825 */ 	or	$s1,$zero,$zero
 .L0f130484:
 /*  f130484:	122002db */ 	beqz	$s1,.L0f130ff4
-/*  f130488:	3c0d8008 */ 	lui	$t5,%hi(sparktable)
+/*  f130488:	3c0d8008 */ 	lui	$t5,%hi(g_SparkTypes)
 /*  f13048c:	8e6b0000 */ 	lw	$t3,0x0($s3)
-/*  f130490:	25adec80 */ 	addiu	$t5,$t5,%lo(sparktable)
+/*  f130490:	25adec80 */ 	addiu	$t5,$t5,%lo(g_SparkTypes)
 /*  f130494:	24040002 */ 	addiu	$a0,$zero,0x2
 /*  f130498:	000b6080 */ 	sll	$t4,$t3,0x2
 /*  f13049c:	018b6021 */ 	addu	$t4,$t4,$t3
@@ -1421,8 +1421,8 @@ glabel func0f130044
 /*  f130ab0:	0015c8c0 */ 	sll	$t9,$s5,0x3
 .L0f130ab4:
 /*  f130ab4:	0335c823 */ 	subu	$t9,$t9,$s5
-/*  f130ab8:	3c0e800a */ 	lui	$t6,%hi(var800a34d0)
-/*  f130abc:	25ce34d0 */ 	addiu	$t6,$t6,%lo(var800a34d0)
+/*  f130ab8:	3c0e800a */ 	lui	$t6,%hi(g_Sparks)
+/*  f130abc:	25ce34d0 */ 	addiu	$t6,$t6,%lo(g_Sparks)
 /*  f130ac0:	0019c880 */ 	sll	$t9,$t9,0x2
 /*  f130ac4:	032e8821 */ 	addu	$s1,$t9,$t6
 /*  f130ac8:	8e2f0018 */ 	lw	$t7,0x18($s1)
diff --git a/src/game/sparkstick.c b/src/game/sparkstick.c
index ec64a8f71..65c06cb69 100644
--- a/src/game/sparkstick.c
+++ b/src/game/sparkstick.c
@@ -11,15 +11,12 @@
 #include "types.h"
 
 const u32 var7f1a8680[] = {0xb8d1b717};
-const u32 var7f1a8684[] = {0x00000000};
-const u32 var7f1a8688[] = {0x00000000};
-const u32 var7f1a868c[] = {0x00000000};
 
 GLOBAL_ASM(
 glabel sparksTick
 /*  f01e050:	27bdffe0 */ 	addiu	$sp,$sp,-32
-/*  f01e054:	3c0b8008 */ 	lui	$t3,%hi(var8007f0b8)
-/*  f01e058:	256bf0b8 */ 	addiu	$t3,$t3,%lo(var8007f0b8)
+/*  f01e054:	3c0b8008 */ 	lui	$t3,%hi(g_SparksAreActive)
+/*  f01e058:	256bf0b8 */ 	addiu	$t3,$t3,%lo(g_SparksAreActive)
 /*  f01e05c:	8d6e0000 */ 	lw	$t6,0x0($t3)
 /*  f01e060:	afb5001c */ 	sw	$s5,0x1c($sp)
 /*  f01e064:	afb40018 */ 	sw	$s4,0x18($sp)
@@ -29,16 +26,16 @@ glabel sparksTick
 /*  f01e074:	11c0006d */ 	beqz	$t6,.L0f01e22c
 /*  f01e078:	afb00008 */ 	sw	$s0,0x8($sp)
 /*  f01e07c:	ad600000 */ 	sw	$zero,0x0($t3)
-/*  f01e080:	3c02800a */ 	lui	$v0,%hi(var800a3fc8)
+/*  f01e080:	3c02800a */ 	lui	$v0,%hi(g_SparkGroups)
 /*  f01e084:	3c017f1b */ 	lui	$at,%hi(var7f1a8680)
 /*  f01e088:	3c15800a */ 	lui	$s5,%hi(g_Vars)
 /*  f01e08c:	3c14800a */ 	lui	$s4,%hi(var800a3fc0)
-/*  f01e090:	3c12800a */ 	lui	$s2,%hi(var800a34d0)
-/*  f01e094:	3c0c8008 */ 	lui	$t4,%hi(sparktable)
+/*  f01e090:	3c12800a */ 	lui	$s2,%hi(g_Sparks)
+/*  f01e094:	3c0c8008 */ 	lui	$t4,%hi(g_SparkTypes)
 /*  f01e098:	44807000 */ 	mtc1	$zero,$f14
-/*  f01e09c:	24423fc8 */ 	addiu	$v0,$v0,%lo(var800a3fc8)
-/*  f01e0a0:	258cec80 */ 	addiu	$t4,$t4,%lo(sparktable)
-/*  f01e0a4:	265234d0 */ 	addiu	$s2,$s2,%lo(var800a34d0)
+/*  f01e09c:	24423fc8 */ 	addiu	$v0,$v0,%lo(g_SparkGroups)
+/*  f01e0a0:	258cec80 */ 	addiu	$t4,$t4,%lo(g_SparkTypes)
+/*  f01e0a4:	265234d0 */ 	addiu	$s2,$s2,%lo(g_Sparks)
 /*  f01e0a8:	26943fc0 */ 	addiu	$s4,$s4,%lo(var800a3fc0)
 /*  f01e0ac:	26b59fc0 */ 	addiu	$s5,$s5,%lo(g_Vars)
 /*  f01e0b0:	c4308680 */ 	lwc1	$f16,%lo(var7f1a8680)($at)
@@ -158,3 +155,83 @@ glabel sparksTick
 /*  f01e248:	27bd0020 */ 	addiu	$sp,$sp,0x20
 /*  f01e24c:	00000000 */ 	sll	$zero,$zero,0x0
 );
+
+// Mismatch due to regalloc near group->startindex
+//void sparksTick(void)
+//{
+//	struct sparkgroup *group;
+//	struct sparktype *type;
+//	s32 i;
+//	s32 j;
+//	s32 k;
+//
+//	// 074
+//	if (g_SparksAreActive) {
+//		g_SparksAreActive = false;
+//		group = &g_SparkGroups[0];
+//
+//		// Iterate spark groups
+//		for (i = 0; i != 10; i++) {
+//			type = &g_SparkTypes[group->type];
+//
+//			// 0e8
+//			if (group->age >= type->maxage) {
+//				group->age = 0;
+//			} else /*0f8*/ if (group->age) {
+//				// 10c
+//				if (g_SparksAreActive == false) {
+//					g_SparksAreActive = true;
+//				}
+//
+//				// 118
+//				// Iterate the lvupdate multiplier
+//				for (j = 0; j < g_Vars.lvupdate240_60; j++) {
+//					// 120
+//					struct spark *spark = &g_Sparks[group->startindex];
+//					struct spark *next = &g_Sparks[group->startindex];
+//					group->age++;
+//
+//					// 144
+//					// Iterate sparks in this group
+//					for (k = 0; k < group->numsparks; k++) {
+//						// 14c
+//						// Update this spark if active
+//						if (spark->ttl) {
+//							spark->speed.x -= spark->speed.x * type->decel;
+//							spark->speed.y = (spark->speed.y - spark->speed.y * type->decel) - type->weight;
+//							spark->speed.z -= spark->speed.z * type->decel;
+//
+//							if (spark->speed.y == 0) {
+//								spark->speed.y = -0.0001f;
+//							}
+//
+//							spark->pos.x += spark->speed.x;
+//							spark->pos.y += spark->speed.y;
+//							spark->pos.z += spark->speed.z;
+//
+//							spark->ttl--;
+//						}
+//
+//						// 1f4
+//						// If reached the end of the array, jump back to start
+//						if (++next == &g_Sparks[100]) {
+//							// @dangerous: `next` is not reset here, so this
+//							// condition will only pass once per group.
+//							// If a group contains more than 100 sparks, it
+//							// could cause spark to overflow the array and write
+//							// over whatever's after it.
+//							spark = &g_Sparks[0];
+//						} else {
+//							spark++;
+//						}
+//
+//						// 208
+//					}
+//				}
+//			}
+//
+//			// 224
+//			group++;
+//		}
+//	}
+//}
diff --git a/src/gvars/gvars.c b/src/gvars/gvars.c
index 1907d3051..06765b276 100644
--- a/src/gvars/gvars.c
+++ b/src/gvars/gvars.c
@@ -16615,709 +16615,10 @@ u32 var800a34c0 = 0;
 u32 var800a34c4 = 0;
 u32 var800a34c8 = 0;
 u32 var800a34cc = 0;
-u32 var800a34d0 = 0;
-u32 var800a34d4 = 0;
-u32 var800a34d8 = 0;
-u32 var800a34dc = 0;
-u32 var800a34e0 = 0;
-u32 var800a34e4 = 0;
-u32 var800a34e8 = 0;
-u32 var800a34ec = 0;
-u32 var800a34f0 = 0;
-u32 var800a34f4 = 0;
-u32 var800a34f8 = 0;
-u32 var800a34fc = 0;
-u32 var800a3500 = 0;
-u32 var800a3504 = 0;
-u32 var800a3508 = 0;
-u32 var800a350c = 0;
-u32 var800a3510 = 0;
-u32 var800a3514 = 0;
-u32 var800a3518 = 0;
-u32 var800a351c = 0;
-u32 var800a3520 = 0;
-u32 var800a3524 = 0;
-u32 var800a3528 = 0;
-u32 var800a352c = 0;
-u32 var800a3530 = 0;
-u32 var800a3534 = 0;
-u32 var800a3538 = 0;
-u32 var800a353c = 0;
-u32 var800a3540 = 0;
-u32 var800a3544 = 0;
-u32 var800a3548 = 0;
-u32 var800a354c = 0;
-u32 var800a3550 = 0;
-u32 var800a3554 = 0;
-u32 var800a3558 = 0;
-u32 var800a355c = 0;
-u32 var800a3560 = 0;
-u32 var800a3564 = 0;
-u32 var800a3568 = 0;
-u32 var800a356c = 0;
-u32 var800a3570 = 0;
-u32 var800a3574 = 0;
-u32 var800a3578 = 0;
-u32 var800a357c = 0;
-u32 var800a3580 = 0;
-u32 var800a3584 = 0;
-u32 var800a3588 = 0;
-u32 var800a358c = 0;
-u32 var800a3590 = 0;
-u32 var800a3594 = 0;
-u32 var800a3598 = 0;
-u32 var800a359c = 0;
-u32 var800a35a0 = 0;
-u32 var800a35a4 = 0;
-u32 var800a35a8 = 0;
-u32 var800a35ac = 0;
-u32 var800a35b0 = 0;
-u32 var800a35b4 = 0;
-u32 var800a35b8 = 0;
-u32 var800a35bc = 0;
-u32 var800a35c0 = 0;
-u32 var800a35c4 = 0;
-u32 var800a35c8 = 0;
-u32 var800a35cc = 0;
-u32 var800a35d0 = 0;
-u32 var800a35d4 = 0;
-u32 var800a35d8 = 0;
-u32 var800a35dc = 0;
-u32 var800a35e0 = 0;
-u32 var800a35e4 = 0;
-u32 var800a35e8 = 0;
-u32 var800a35ec = 0;
-u32 var800a35f0 = 0;
-u32 var800a35f4 = 0;
-u32 var800a35f8 = 0;
-u32 var800a35fc = 0;
-u32 var800a3600 = 0;
-u32 var800a3604 = 0;
-u32 var800a3608 = 0;
-u32 var800a360c = 0;
-u32 var800a3610 = 0;
-u32 var800a3614 = 0;
-u32 var800a3618 = 0;
-u32 var800a361c = 0;
-u32 var800a3620 = 0;
-u32 var800a3624 = 0;
-u32 var800a3628 = 0;
-u32 var800a362c = 0;
-u32 var800a3630 = 0;
-u32 var800a3634 = 0;
-u32 var800a3638 = 0;
-u32 var800a363c = 0;
-u32 var800a3640 = 0;
-u32 var800a3644 = 0;
-u32 var800a3648 = 0;
-u32 var800a364c = 0;
-u32 var800a3650 = 0;
-u32 var800a3654 = 0;
-u32 var800a3658 = 0;
-u32 var800a365c = 0;
-u32 var800a3660 = 0;
-u32 var800a3664 = 0;
-u32 var800a3668 = 0;
-u32 var800a366c = 0;
-u32 var800a3670 = 0;
-u32 var800a3674 = 0;
-u32 var800a3678 = 0;
-u32 var800a367c = 0;
-u32 var800a3680 = 0;
-u32 var800a3684 = 0;
-u32 var800a3688 = 0;
-u32 var800a368c = 0;
-u32 var800a3690 = 0;
-u32 var800a3694 = 0;
-u32 var800a3698 = 0;
-u32 var800a369c = 0;
-u32 var800a36a0 = 0;
-u32 var800a36a4 = 0;
-u32 var800a36a8 = 0;
-u32 var800a36ac = 0;
-u32 var800a36b0 = 0;
-u32 var800a36b4 = 0;
-u32 var800a36b8 = 0;
-u32 var800a36bc = 0;
-u32 var800a36c0 = 0;
-u32 var800a36c4 = 0;
-u32 var800a36c8 = 0;
-u32 var800a36cc = 0;
-u32 var800a36d0 = 0;
-u32 var800a36d4 = 0;
-u32 var800a36d8 = 0;
-u32 var800a36dc = 0;
-u32 var800a36e0 = 0;
-u32 var800a36e4 = 0;
-u32 var800a36e8 = 0;
-u32 var800a36ec = 0;
-u32 var800a36f0 = 0;
-u32 var800a36f4 = 0;
-u32 var800a36f8 = 0;
-u32 var800a36fc = 0;
-u32 var800a3700 = 0;
-u32 var800a3704 = 0;
-u32 var800a3708 = 0;
-u32 var800a370c = 0;
-u32 var800a3710 = 0;
-u32 var800a3714 = 0;
-u32 var800a3718 = 0;
-u32 var800a371c = 0;
-u32 var800a3720 = 0;
-u32 var800a3724 = 0;
-u32 var800a3728 = 0;
-u32 var800a372c = 0;
-u32 var800a3730 = 0;
-u32 var800a3734 = 0;
-u32 var800a3738 = 0;
-u32 var800a373c = 0;
-u32 var800a3740 = 0;
-u32 var800a3744 = 0;
-u32 var800a3748 = 0;
-u32 var800a374c = 0;
-u32 var800a3750 = 0;
-u32 var800a3754 = 0;
-u32 var800a3758 = 0;
-u32 var800a375c = 0;
-u32 var800a3760 = 0;
-u32 var800a3764 = 0;
-u32 var800a3768 = 0;
-u32 var800a376c = 0;
-u32 var800a3770 = 0;
-u32 var800a3774 = 0;
-u32 var800a3778 = 0;
-u32 var800a377c = 0;
-u32 var800a3780 = 0;
-u32 var800a3784 = 0;
-u32 var800a3788 = 0;
-u32 var800a378c = 0;
-u32 var800a3790 = 0;
-u32 var800a3794 = 0;
-u32 var800a3798 = 0;
-u32 var800a379c = 0;
-u32 var800a37a0 = 0;
-u32 var800a37a4 = 0;
-u32 var800a37a8 = 0;
-u32 var800a37ac = 0;
-u32 var800a37b0 = 0;
-u32 var800a37b4 = 0;
-u32 var800a37b8 = 0;
-u32 var800a37bc = 0;
-u32 var800a37c0 = 0;
-u32 var800a37c4 = 0;
-u32 var800a37c8 = 0;
-u32 var800a37cc = 0;
-u32 var800a37d0 = 0;
-u32 var800a37d4 = 0;
-u32 var800a37d8 = 0;
-u32 var800a37dc = 0;
-u32 var800a37e0 = 0;
-u32 var800a37e4 = 0;
-u32 var800a37e8 = 0;
-u32 var800a37ec = 0;
-u32 var800a37f0 = 0;
-u32 var800a37f4 = 0;
-u32 var800a37f8 = 0;
-u32 var800a37fc = 0;
-u32 var800a3800 = 0;
-u32 var800a3804 = 0;
-u32 var800a3808 = 0;
-u32 var800a380c = 0;
-u32 var800a3810 = 0;
-u32 var800a3814 = 0;
-u32 var800a3818 = 0;
-u32 var800a381c = 0;
-u32 var800a3820 = 0;
-u32 var800a3824 = 0;
-u32 var800a3828 = 0;
-u32 var800a382c = 0;
-u32 var800a3830 = 0;
-u32 var800a3834 = 0;
-u32 var800a3838 = 0;
-u32 var800a383c = 0;
-u32 var800a3840 = 0;
-u32 var800a3844 = 0;
-u32 var800a3848 = 0;
-u32 var800a384c = 0;
-u32 var800a3850 = 0;
-u32 var800a3854 = 0;
-u32 var800a3858 = 0;
-u32 var800a385c = 0;
-u32 var800a3860 = 0;
-u32 var800a3864 = 0;
-u32 var800a3868 = 0;
-u32 var800a386c = 0;
-u32 var800a3870 = 0;
-u32 var800a3874 = 0;
-u32 var800a3878 = 0;
-u32 var800a387c = 0;
-u32 var800a3880 = 0;
-u32 var800a3884 = 0;
-u32 var800a3888 = 0;
-u32 var800a388c = 0;
-u32 var800a3890 = 0;
-u32 var800a3894 = 0;
-u32 var800a3898 = 0;
-u32 var800a389c = 0;
-u32 var800a38a0 = 0;
-u32 var800a38a4 = 0;
-u32 var800a38a8 = 0;
-u32 var800a38ac = 0;
-u32 var800a38b0 = 0;
-u32 var800a38b4 = 0;
-u32 var800a38b8 = 0;
-u32 var800a38bc = 0;
-u32 var800a38c0 = 0;
-u32 var800a38c4 = 0;
-u32 var800a38c8 = 0;
-u32 var800a38cc = 0;
-u32 var800a38d0 = 0;
-u32 var800a38d4 = 0;
-u32 var800a38d8 = 0;
-u32 var800a38dc = 0;
-u32 var800a38e0 = 0;
-u32 var800a38e4 = 0;
-u32 var800a38e8 = 0;
-u32 var800a38ec = 0;
-u32 var800a38f0 = 0;
-u32 var800a38f4 = 0;
-u32 var800a38f8 = 0;
-u32 var800a38fc = 0;
-u32 var800a3900 = 0;
-u32 var800a3904 = 0;
-u32 var800a3908 = 0;
-u32 var800a390c = 0;
-u32 var800a3910 = 0;
-u32 var800a3914 = 0;
-u32 var800a3918 = 0;
-u32 var800a391c = 0;
-u32 var800a3920 = 0;
-u32 var800a3924 = 0;
-u32 var800a3928 = 0;
-u32 var800a392c = 0;
-u32 var800a3930 = 0;
-u32 var800a3934 = 0;
-u32 var800a3938 = 0;
-u32 var800a393c = 0;
-u32 var800a3940 = 0;
-u32 var800a3944 = 0;
-u32 var800a3948 = 0;
-u32 var800a394c = 0;
-u32 var800a3950 = 0;
-u32 var800a3954 = 0;
-u32 var800a3958 = 0;
-u32 var800a395c = 0;
-u32 var800a3960 = 0;
-u32 var800a3964 = 0;
-u32 var800a3968 = 0;
-u32 var800a396c = 0;
-u32 var800a3970 = 0;
-u32 var800a3974 = 0;
-u32 var800a3978 = 0;
-u32 var800a397c = 0;
-u32 var800a3980 = 0;
-u32 var800a3984 = 0;
-u32 var800a3988 = 0;
-u32 var800a398c = 0;
-u32 var800a3990 = 0;
-u32 var800a3994 = 0;
-u32 var800a3998 = 0;
-u32 var800a399c = 0;
-u32 var800a39a0 = 0;
-u32 var800a39a4 = 0;
-u32 var800a39a8 = 0;
-u32 var800a39ac = 0;
-u32 var800a39b0 = 0;
-u32 var800a39b4 = 0;
-u32 var800a39b8 = 0;
-u32 var800a39bc = 0;
-u32 var800a39c0 = 0;
-u32 var800a39c4 = 0;
-u32 var800a39c8 = 0;
-u32 var800a39cc = 0;
-u32 var800a39d0 = 0;
-u32 var800a39d4 = 0;
-u32 var800a39d8 = 0;
-u32 var800a39dc = 0;
-u32 var800a39e0 = 0;
-u32 var800a39e4 = 0;
-u32 var800a39e8 = 0;
-u32 var800a39ec = 0;
-u32 var800a39f0 = 0;
-u32 var800a39f4 = 0;
-u32 var800a39f8 = 0;
-u32 var800a39fc = 0;
-u32 var800a3a00 = 0;
-u32 var800a3a04 = 0;
-u32 var800a3a08 = 0;
-u32 var800a3a0c = 0;
-u32 var800a3a10 = 0;
-u32 var800a3a14 = 0;
-u32 var800a3a18 = 0;
-u32 var800a3a1c = 0;
-u32 var800a3a20 = 0;
-u32 var800a3a24 = 0;
-u32 var800a3a28 = 0;
-u32 var800a3a2c = 0;
-u32 var800a3a30 = 0;
-u32 var800a3a34 = 0;
-u32 var800a3a38 = 0;
-u32 var800a3a3c = 0;
-u32 var800a3a40 = 0;
-u32 var800a3a44 = 0;
-u32 var800a3a48 = 0;
-u32 var800a3a4c = 0;
-u32 var800a3a50 = 0;
-u32 var800a3a54 = 0;
-u32 var800a3a58 = 0;
-u32 var800a3a5c = 0;
-u32 var800a3a60 = 0;
-u32 var800a3a64 = 0;
-u32 var800a3a68 = 0;
-u32 var800a3a6c = 0;
-u32 var800a3a70 = 0;
-u32 var800a3a74 = 0;
-u32 var800a3a78 = 0;
-u32 var800a3a7c = 0;
-u32 var800a3a80 = 0;
-u32 var800a3a84 = 0;
-u32 var800a3a88 = 0;
-u32 var800a3a8c = 0;
-u32 var800a3a90 = 0;
-u32 var800a3a94 = 0;
-u32 var800a3a98 = 0;
-u32 var800a3a9c = 0;
-u32 var800a3aa0 = 0;
-u32 var800a3aa4 = 0;
-u32 var800a3aa8 = 0;
-u32 var800a3aac = 0;
-u32 var800a3ab0 = 0;
-u32 var800a3ab4 = 0;
-u32 var800a3ab8 = 0;
-u32 var800a3abc = 0;
-u32 var800a3ac0 = 0;
-u32 var800a3ac4 = 0;
-u32 var800a3ac8 = 0;
-u32 var800a3acc = 0;
-u32 var800a3ad0 = 0;
-u32 var800a3ad4 = 0;
-u32 var800a3ad8 = 0;
-u32 var800a3adc = 0;
-u32 var800a3ae0 = 0;
-u32 var800a3ae4 = 0;
-u32 var800a3ae8 = 0;
-u32 var800a3aec = 0;
-u32 var800a3af0 = 0;
-u32 var800a3af4 = 0;
-u32 var800a3af8 = 0;
-u32 var800a3afc = 0;
-u32 var800a3b00 = 0;
-u32 var800a3b04 = 0;
-u32 var800a3b08 = 0;
-u32 var800a3b0c = 0;
-u32 var800a3b10 = 0;
-u32 var800a3b14 = 0;
-u32 var800a3b18 = 0;
-u32 var800a3b1c = 0;
-u32 var800a3b20 = 0;
-u32 var800a3b24 = 0;
-u32 var800a3b28 = 0;
-u32 var800a3b2c = 0;
-u32 var800a3b30 = 0;
-u32 var800a3b34 = 0;
-u32 var800a3b38 = 0;
-u32 var800a3b3c = 0;
-u32 var800a3b40 = 0;
-u32 var800a3b44 = 0;
-u32 var800a3b48 = 0;
-u32 var800a3b4c = 0;
-u32 var800a3b50 = 0;
-u32 var800a3b54 = 0;
-u32 var800a3b58 = 0;
-u32 var800a3b5c = 0;
-u32 var800a3b60 = 0;
-u32 var800a3b64 = 0;
-u32 var800a3b68 = 0;
-u32 var800a3b6c = 0;
-u32 var800a3b70 = 0;
-u32 var800a3b74 = 0;
-u32 var800a3b78 = 0;
-u32 var800a3b7c = 0;
-u32 var800a3b80 = 0;
-u32 var800a3b84 = 0;
-u32 var800a3b88 = 0;
-u32 var800a3b8c = 0;
-u32 var800a3b90 = 0;
-u32 var800a3b94 = 0;
-u32 var800a3b98 = 0;
-u32 var800a3b9c = 0;
-u32 var800a3ba0 = 0;
-u32 var800a3ba4 = 0;
-u32 var800a3ba8 = 0;
-u32 var800a3bac = 0;
-u32 var800a3bb0 = 0;
-u32 var800a3bb4 = 0;
-u32 var800a3bb8 = 0;
-u32 var800a3bbc = 0;
-u32 var800a3bc0 = 0;
-u32 var800a3bc4 = 0;
-u32 var800a3bc8 = 0;
-u32 var800a3bcc = 0;
-u32 var800a3bd0 = 0;
-u32 var800a3bd4 = 0;
-u32 var800a3bd8 = 0;
-u32 var800a3bdc = 0;
-u32 var800a3be0 = 0;
-u32 var800a3be4 = 0;
-u32 var800a3be8 = 0;
-u32 var800a3bec = 0;
-u32 var800a3bf0 = 0;
-u32 var800a3bf4 = 0;
-u32 var800a3bf8 = 0;
-u32 var800a3bfc = 0;
-u32 var800a3c00 = 0;
-u32 var800a3c04 = 0;
-u32 var800a3c08 = 0;
-u32 var800a3c0c = 0;
-u32 var800a3c10 = 0;
-u32 var800a3c14 = 0;
-u32 var800a3c18 = 0;
-u32 var800a3c1c = 0;
-u32 var800a3c20 = 0;
-u32 var800a3c24 = 0;
-u32 var800a3c28 = 0;
-u32 var800a3c2c = 0;
-u32 var800a3c30 = 0;
-u32 var800a3c34 = 0;
-u32 var800a3c38 = 0;
-u32 var800a3c3c = 0;
-u32 var800a3c40 = 0;
-u32 var800a3c44 = 0;
-u32 var800a3c48 = 0;
-u32 var800a3c4c = 0;
-u32 var800a3c50 = 0;
-u32 var800a3c54 = 0;
-u32 var800a3c58 = 0;
-u32 var800a3c5c = 0;
-u32 var800a3c60 = 0;
-u32 var800a3c64 = 0;
-u32 var800a3c68 = 0;
-u32 var800a3c6c = 0;
-u32 var800a3c70 = 0;
-u32 var800a3c74 = 0;
-u32 var800a3c78 = 0;
-u32 var800a3c7c = 0;
-u32 var800a3c80 = 0;
-u32 var800a3c84 = 0;
-u32 var800a3c88 = 0;
-u32 var800a3c8c = 0;
-u32 var800a3c90 = 0;
-u32 var800a3c94 = 0;
-u32 var800a3c98 = 0;
-u32 var800a3c9c = 0;
-u32 var800a3ca0 = 0;
-u32 var800a3ca4 = 0;
-u32 var800a3ca8 = 0;
-u32 var800a3cac = 0;
-u32 var800a3cb0 = 0;
-u32 var800a3cb4 = 0;
-u32 var800a3cb8 = 0;
-u32 var800a3cbc = 0;
-u32 var800a3cc0 = 0;
-u32 var800a3cc4 = 0;
-u32 var800a3cc8 = 0;
-u32 var800a3ccc = 0;
-u32 var800a3cd0 = 0;
-u32 var800a3cd4 = 0;
-u32 var800a3cd8 = 0;
-u32 var800a3cdc = 0;
-u32 var800a3ce0 = 0;
-u32 var800a3ce4 = 0;
-u32 var800a3ce8 = 0;
-u32 var800a3cec = 0;
-u32 var800a3cf0 = 0;
-u32 var800a3cf4 = 0;
-u32 var800a3cf8 = 0;
-u32 var800a3cfc = 0;
-u32 var800a3d00 = 0;
-u32 var800a3d04 = 0;
-u32 var800a3d08 = 0;
-u32 var800a3d0c = 0;
-u32 var800a3d10 = 0;
-u32 var800a3d14 = 0;
-u32 var800a3d18 = 0;
-u32 var800a3d1c = 0;
-u32 var800a3d20 = 0;
-u32 var800a3d24 = 0;
-u32 var800a3d28 = 0;
-u32 var800a3d2c = 0;
-u32 var800a3d30 = 0;
-u32 var800a3d34 = 0;
-u32 var800a3d38 = 0;
-u32 var800a3d3c = 0;
-u32 var800a3d40 = 0;
-u32 var800a3d44 = 0;
-u32 var800a3d48 = 0;
-u32 var800a3d4c = 0;
-u32 var800a3d50 = 0;
-u32 var800a3d54 = 0;
-u32 var800a3d58 = 0;
-u32 var800a3d5c = 0;
-u32 var800a3d60 = 0;
-u32 var800a3d64 = 0;
-u32 var800a3d68 = 0;
-u32 var800a3d6c = 0;
-u32 var800a3d70 = 0;
-u32 var800a3d74 = 0;
-u32 var800a3d78 = 0;
-u32 var800a3d7c = 0;
-u32 var800a3d80 = 0;
-u32 var800a3d84 = 0;
-u32 var800a3d88 = 0;
-u32 var800a3d8c = 0;
-u32 var800a3d90 = 0;
-u32 var800a3d94 = 0;
-u32 var800a3d98 = 0;
-u32 var800a3d9c = 0;
-u32 var800a3da0 = 0;
-u32 var800a3da4 = 0;
-u32 var800a3da8 = 0;
-u32 var800a3dac = 0;
-u32 var800a3db0 = 0;
-u32 var800a3db4 = 0;
-u32 var800a3db8 = 0;
-u32 var800a3dbc = 0;
-u32 var800a3dc0 = 0;
-u32 var800a3dc4 = 0;
-u32 var800a3dc8 = 0;
-u32 var800a3dcc = 0;
-u32 var800a3dd0 = 0;
-u32 var800a3dd4 = 0;
-u32 var800a3dd8 = 0;
-u32 var800a3ddc = 0;
-u32 var800a3de0 = 0;
-u32 var800a3de4 = 0;
-u32 var800a3de8 = 0;
-u32 var800a3dec = 0;
-u32 var800a3df0 = 0;
-u32 var800a3df4 = 0;
-u32 var800a3df8 = 0;
-u32 var800a3dfc = 0;
-u32 var800a3e00 = 0;
-u32 var800a3e04 = 0;
-u32 var800a3e08 = 0;
-u32 var800a3e0c = 0;
-u32 var800a3e10 = 0;
-u32 var800a3e14 = 0;
-u32 var800a3e18 = 0;
-u32 var800a3e1c = 0;
-u32 var800a3e20 = 0;
-u32 var800a3e24 = 0;
-u32 var800a3e28 = 0;
-u32 var800a3e2c = 0;
-u32 var800a3e30 = 0;
-u32 var800a3e34 = 0;
-u32 var800a3e38 = 0;
-u32 var800a3e3c = 0;
-u32 var800a3e40 = 0;
-u32 var800a3e44 = 0;
-u32 var800a3e48 = 0;
-u32 var800a3e4c = 0;
-u32 var800a3e50 = 0;
-u32 var800a3e54 = 0;
-u32 var800a3e58 = 0;
-u32 var800a3e5c = 0;
-u32 var800a3e60 = 0;
-u32 var800a3e64 = 0;
-u32 var800a3e68 = 0;
-u32 var800a3e6c = 0;
-u32 var800a3e70 = 0;
-u32 var800a3e74 = 0;
-u32 var800a3e78 = 0;
-u32 var800a3e7c = 0;
-u32 var800a3e80 = 0;
-u32 var800a3e84 = 0;
-u32 var800a3e88 = 0;
-u32 var800a3e8c = 0;
-u32 var800a3e90 = 0;
-u32 var800a3e94 = 0;
-u32 var800a3e98 = 0;
-u32 var800a3e9c = 0;
-u32 var800a3ea0 = 0;
-u32 var800a3ea4 = 0;
-u32 var800a3ea8 = 0;
-u32 var800a3eac = 0;
-u32 var800a3eb0 = 0;
-u32 var800a3eb4 = 0;
-u32 var800a3eb8 = 0;
-u32 var800a3ebc = 0;
-u32 var800a3ec0 = 0;
-u32 var800a3ec4 = 0;
-u32 var800a3ec8 = 0;
-u32 var800a3ecc = 0;
-u32 var800a3ed0 = 0;
-u32 var800a3ed4 = 0;
-u32 var800a3ed8 = 0;
-u32 var800a3edc = 0;
-u32 var800a3ee0 = 0;
-u32 var800a3ee4 = 0;
-u32 var800a3ee8 = 0;
-u32 var800a3eec = 0;
-u32 var800a3ef0 = 0;
-u32 var800a3ef4 = 0;
-u32 var800a3ef8 = 0;
-u32 var800a3efc = 0;
-u32 var800a3f00 = 0;
-u32 var800a3f04 = 0;
-u32 var800a3f08 = 0;
-u32 var800a3f0c = 0;
-u32 var800a3f10 = 0;
-u32 var800a3f14 = 0;
-u32 var800a3f18 = 0;
-u32 var800a3f1c = 0;
-u32 var800a3f20 = 0;
-u32 var800a3f24 = 0;
-u32 var800a3f28 = 0;
-u32 var800a3f2c = 0;
-u32 var800a3f30 = 0;
-u32 var800a3f34 = 0;
-u32 var800a3f38 = 0;
-u32 var800a3f3c = 0;
-u32 var800a3f40 = 0;
-u32 var800a3f44 = 0;
-u32 var800a3f48 = 0;
-u32 var800a3f4c = 0;
-u32 var800a3f50 = 0;
-u32 var800a3f54 = 0;
-u32 var800a3f58 = 0;
-u32 var800a3f5c = 0;
-u32 var800a3f60 = 0;
-u32 var800a3f64 = 0;
-u32 var800a3f68 = 0;
-u32 var800a3f6c = 0;
-u32 var800a3f70 = 0;
-u32 var800a3f74 = 0;
-u32 var800a3f78 = 0;
-u32 var800a3f7c = 0;
-u32 var800a3f80 = 0;
-u32 var800a3f84 = 0;
-u32 var800a3f88 = 0;
-u32 var800a3f8c = 0;
-u32 var800a3f90 = 0;
-u32 var800a3f94 = 0;
-u32 var800a3f98 = 0;
-u32 var800a3f9c = 0;
-u32 var800a3fa0 = 0;
-u32 var800a3fa4 = 0;
-u32 var800a3fa8 = 0;
-u32 var800a3fac = 0;
-u32 var800a3fb0 = 0;
-u32 var800a3fb4 = 0;
-u32 var800a3fb8 = 0;
-u32 var800a3fbc = 0;
+struct spark g_Sparks[100] = {0};
 u32 var800a3fc0 = 0;
 u32 var800a3fc4 = 0;
-struct gvars800a3fc8 var800a3fc8[10] = {0};
+struct sparkgroup g_SparkGroups[10] = {0};
 u32 var800a4130 = 0;
 u32 var800a4134 = 0;
 u32 var800a4138 = 0;
diff --git a/src/include/game/data/data_020df0.h b/src/include/game/data/data_020df0.h
index 0b8b59821..faec58aef 100644
--- a/src/include/game/data/data_020df0.h
+++ b/src/include/game/data/data_020df0.h
@@ -131,8 +131,8 @@ extern u32 var8007e4a0;
 extern u32 var8007e4a4;
 extern struct explosiontype g_ExplosionTypes[NUM_EXPLOSIONTYPES];
 extern struct smoketype g_SmokeTypes[NUM_SMOKETYPES];
-extern u32 sparktable[];
-extern u32 var8007f0b8;
+extern struct sparktype g_SparkTypes[];
+extern s32 g_SparksAreActive;
 extern struct weatherdata *g_WeatherData;
 extern s32 var8007f0c4[4];
 extern u32 g_RainSpeedExtra;
diff --git a/src/include/gvars/gvars.h b/src/include/gvars/gvars.h
index 2c7c595cc..f88b68703 100644
--- a/src/include/gvars/gvars.h
+++ b/src/include/gvars/gvars.h
@@ -689,11 +689,9 @@ extern u32 var800a3440;
 extern u32 var800a3444;
 extern u32 var800a3448;
 extern u32 var800a3488;
-extern u32 var800a34d0;
-
-extern u32 var800a3fc0; // likely a count of 800a3fc8
-extern struct gvars800a3fc8 var800a3fc8[];
-
+extern struct spark g_Sparks[100];
+extern u32 var800a3fc0; // likely a count of g_SparkGroups
+extern struct sparkgroup g_SparkGroups[];
 extern u32 var800a4130;
 extern u32 var800a4154;
 extern u32 var800a4158;
diff --git a/src/include/types.h b/src/include/types.h
index 955a9a386..e8dc89554 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -3101,11 +3101,28 @@ struct credit {
 	u16 text2;
 };
 
-struct gvars800a3fc8 {
-	u32 unk00;
-	u32 unk04;
-	u32 unk08;
-	u32 unk0c;
+struct sparktype {
+	u16 unk00;
+	s16 unk02;
+	u16 unk04;
+	u16 unk06;
+	u16 unk08;
+	u16 unk0a;
+	f32 weight;
+	u16 maxage;
+	u16 unk12;
+	u16 unk14;
+	u32 unk18;
+	u32 unk1c;
+	u32 unk20;
+	f32 decel;
+};
+
+struct sparkgroup {
+	s32 type;
+	s32 numsparks;
+	s32 age;
+	s32 startindex; // index into g_Sparks
 	u32 unk10;
 	u32 unk14;
 	u32 unk18;
@@ -3113,6 +3130,12 @@ struct gvars800a3fc8 {
 	u32 unk20;
 };
 
+struct spark {
+	struct coord pos;
+	struct coord speed;
+	s32 ttl; // time to live (number of ticks remaining)
+};
+
 struct roombitfield {
 	u8 a : 4;
 	u8 b : 4;