diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2ad6d8123..3e633b442 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -90,6 +90,11 @@ jobs:
           echo "REPORTS_COMMIT_MSG=$( git log --format=%s ${GITHUB_SHA} )" >> $GITHUB_ENV
           cp sa2.map gh-pages/maps/${GITHUB_SHA}.map
 
+      #- name: Japan
+        #run: |
+          #make clean
+          #make japan -j${nproc}
+          
       - name: Europe
         run: |
           make clean
diff --git a/.gitignore b/.gitignore
index 29716c828..31f9e0fa8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,6 +49,7 @@ Temporary Items
 # =========================
 # Build Outputs
 # =========================
+
 *.gba
 *.sav
 *.elf
@@ -56,6 +57,7 @@ Temporary Items
 *.bin
 
 *.a
+
 *.hex
 *.o
 *.dump
@@ -73,4 +75,6 @@ reports
 *.4bpp
 *.8bpp
 
-!data/maps/*/*/tilemaps/*/*.bin
\ No newline at end of file
+
+!data/maps/*/*/tilemaps/*/*.bin
+*.exe
\ No newline at end of file
diff --git a/Makefile b/Makefile
index a0ef6e23a..bb2b1dadc 100644
--- a/Makefile
+++ b/Makefile
@@ -193,6 +193,7 @@ clean-tools:
 tidy:
 	$(RM) -f $(ROM) $(ELF) $(MAP)
 	$(RM) -f $(BUILD_NAME)_europe.gba $(BUILD_NAME)_europe.elf $(BUILD_NAME)_europe.map
+	$(RM) -f $(BUILD_NAME)_japan.gba $(BUILD_NAME)_japan.elf $(BUILD_NAME)_japan.map
 	$(RM) -r build/*
 
 #### Recipes ####
@@ -285,6 +286,8 @@ $(SONG_BUILDDIR)/%.o: $(SONG_SUBDIR)/%.s
 	@$(AS) $(ASFLAGS) -I sound -o $@ $<
 
 
+japan: ; @$(MAKE) GAME_REGION=JAPAN
+
 europe: ; @$(MAKE) GAME_REGION=EUROPE
 
 chao_garden/mb_chao_garden.gba: 
diff --git a/README.md b/README.md
index 6b6c035db..3904a2775 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ This is a work in progress matching decompilation of Sonic Advance 2
 It so far builds the following ROMs:
 * [**sa2.gba**](https://datomatic.no-intro.org/index.php?page=show_record&s=23&n=0890) `sha1: 7bcd6a07af7c894746fa28073fe0c0e34408022d` (USA) (En,Ja,Fr,De,Es,It)
 * [**sa2_europe.gba**](https://datomatic.no-intro.org/index.php?page=show_record&s=23&n=0900) `sha1: b0f64bdca097f2de8f05ac4c8caea2b80c5faeb1` (Europe) (En,Ja,Fr,De,Es,It)
+* [**sa2_japan.gba**](https://datomatic.no-intro.org/index.php?page=show_record&s=23&n=0799) `sha1: dffd0188fc78154b42b401398a224ae0713edf23` (Japan) (En,Ja,Fr,De,Es,It) (:warning: Work in Progress)
 
 ### Current state
 
diff --git a/config.mk b/config.mk
index 33aec288a..414cec642 100644
--- a/config.mk
+++ b/config.mk
@@ -27,6 +27,11 @@ ifeq ($(GAME_REGION), USA)
   BUILD_NAME := $(BUILD_NAME)
   GAME_CODE  := $(GAME_CODE)E
 else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
+  MAKER_CODE := 8P
+else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
@@ -36,6 +41,7 @@ else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/graphics/obj_tiles_4bpp.inc b/graphics/obj_tiles_4bpp.inc
index df339c8f2..502ecbfb9 100644
--- a/graphics/obj_tiles_4bpp.inc
+++ b/graphics/obj_tiles_4bpp.inc
@@ -7264,7 +7264,7 @@
 .incbin "graphics/obj_tiles/4bpp/anim_1117/f027.4bpp"
 .incbin "graphics/obj_tiles/4bpp/anim_1117/f028.4bpp"
 
-#ifdef EUROPE
+#ifndef USA
 .incbin "graphics/obj_tiles/4bpp/anim_1117_europe/f029.4bpp"
 .incbin "graphics/obj_tiles/4bpp/anim_1117_europe/f030.4bpp"
 .incbin "graphics/obj_tiles/4bpp/anim_1117_europe/f031.4bpp"
diff --git a/multi_boot/collect_rings/config.mk b/multi_boot/collect_rings/config.mk
index 4a6ded81a..52f6935fd 100644
--- a/multi_boot/collect_rings/config.mk
+++ b/multi_boot/collect_rings/config.mk
@@ -30,10 +30,15 @@ else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
+else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
 else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/multi_boot/programs/subgame_loader/config.mk b/multi_boot/programs/subgame_loader/config.mk
index 35e87d63e..046768e12 100644
--- a/multi_boot/programs/subgame_loader/config.mk
+++ b/multi_boot/programs/subgame_loader/config.mk
@@ -30,10 +30,15 @@ else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
+else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
 else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/multi_boot/programs/subgame_loader/src/main.c b/multi_boot/programs/subgame_loader/src/main.c
index f35d4353f..4edd3fcf8 100644
--- a/multi_boot/programs/subgame_loader/src/main.c
+++ b/multi_boot/programs/subgame_loader/src/main.c
@@ -56,12 +56,15 @@ static void sub_0203b798(void);
 // 8P
 #define DIMPS_MAKER_CODE 0x96
 
-#ifndef EUROPE
+#ifdef USA
 // "A2NE"
 #define EXPECTED_GAME_CODE 0x454e3241
-#else
+#elif EUROPE
 // "A2NP"
 #define EXPECTED_GAME_CODE 0x504e3241
+#else
+// "A2NJ"
+#define EXPECTED_GAME_CODE 0x4a4e3241
 #endif
 
 // .rodata
diff --git a/multi_boot/roms/collect_rings/config.mk b/multi_boot/roms/collect_rings/config.mk
index a0088fae1..78c8aaba6 100644
--- a/multi_boot/roms/collect_rings/config.mk
+++ b/multi_boot/roms/collect_rings/config.mk
@@ -30,10 +30,15 @@ else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
+else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
 else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/multi_boot/roms/subgame_loader/config.mk b/multi_boot/roms/subgame_loader/config.mk
index 35e87d63e..046768e12 100644
--- a/multi_boot/roms/subgame_loader/config.mk
+++ b/multi_boot/roms/subgame_loader/config.mk
@@ -30,10 +30,15 @@ else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
+else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
 else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/multi_boot/subgame_bootstrap/config.mk b/multi_boot/subgame_bootstrap/config.mk
index 00ba5e6c1..f224e2646 100644
--- a/multi_boot/subgame_bootstrap/config.mk
+++ b/multi_boot/subgame_bootstrap/config.mk
@@ -30,10 +30,15 @@ else
 ifeq ($(GAME_REGION), EUROPE)
   BUILD_NAME := $(BUILD_NAME)_europe
   GAME_CODE  := $(GAME_CODE)P
+else
+ifeq ($(GAME_REGION), JAPAN)
+  BUILD_NAME := $(BUILD_NAME)_japan
+  GAME_CODE  := $(GAME_CODE)J
 else
   $(error unknown region $(GAME_REGION))
 endif
 endif
+endif
 
 # Debug
 ifeq ($(DEBUG), 1)
diff --git a/sa2_japan.sha1 b/sa2_japan.sha1
new file mode 100644
index 000000000..1e524174e
--- /dev/null
+++ b/sa2_japan.sha1
@@ -0,0 +1 @@
+dffd0188fc78154b42b401398a224ae0713edf23  sa2_japan.gba
diff --git a/src/game/stage/results.c b/src/game/stage/results.c
index c30dae8d6..ca58b0eaf 100644
--- a/src/game/stage/results.c
+++ b/src/game/stage/results.c
@@ -165,7 +165,7 @@ u16 CreateStageResults(u32 courseTime, u16 ringCount, u8 spRingCount)
 
     s = &outro->s7;
     s->x = DISPLAY_WIDTH + 16;
-    s->y = 80;
+    s->y = (DISPLAY_HEIGHT / 2);
     s->graphics.dest = VramMalloc(4);
     s->graphics.anim = SA2_ANIM_TA_WHITE_BAR;
     s->variant = 0;
diff --git a/src/game/time_attack/results.c b/src/game/time_attack/results.c
index 8ec0460ad..7591ecc6c 100644
--- a/src/game/time_attack/results.c
+++ b/src/game/time_attack/results.c
@@ -64,7 +64,7 @@ u32 CreateTimeAttackResults(u32 finishTime)
 
     fade->window = 0;
     fade->flags = 1;
-    fade->speed = 0x100;
+    fade->speed = Q_8_8(1);
     fade->brightness = Q_8_8(0);
     fade->bldCnt = 0x3FFF;
     fade->bldAlpha = 0;
@@ -125,7 +125,7 @@ u32 CreateTimeAttackResults(u32 finishTime)
     resultsCutScene->unk2D8 = sub_80899B8(finishTime);
 
     s = &resultsCutScene->unk12C;
-    s->x = 256;
+    s->x = DISPLAY_WIDTH + 16;
     s->y = (DISPLAY_HEIGHT / 2);
     s->graphics.dest = VramMalloc(4);
     s->graphics.anim = SA2_ANIM_TA_WHITE_BAR;
@@ -142,7 +142,7 @@ u32 CreateTimeAttackResults(u32 finishTime)
     UpdateSpriteAnimation(s);
 
     s = &resultsCutScene->unkC[0];
-    s->x = 256;
+    s->x = DISPLAY_WIDTH + 16;
     s->y = 41;
     s->graphics.dest = VramMalloc(sAnimsGotThroughCharacterNames[gSelectedCharacter][0]);
     s->graphics.anim = sAnimsGotThroughCharacterNames[gSelectedCharacter][1];
@@ -161,7 +161,7 @@ u32 CreateTimeAttackResults(u32 finishTime)
     isBossLevel = ACT_INDEX(gCurrentLevel) >> 1;
 
     s = &resultsCutScene->unkC[1];
-    s->x = 256;
+    s->x = DISPLAY_WIDTH + 16;
     s->y = 49;
     s->graphics.dest = VramMalloc(sStageResultsHeadlineTexts[isBossLevel][0]);
     s->graphics.anim = sStageResultsHeadlineTexts[isBossLevel][1];
@@ -219,7 +219,7 @@ u32 CreateTimeAttackResults(u32 finishTime)
 
     s = &resultsCutScene->unk9C[1];
     s->x = (DISPLAY_WIDTH / 2);
-    s->y = (DISPLAY_HEIGHT * (3. / 4.));
+    s->y = (DISPLAY_HEIGHT / 2) + 40;
     s->graphics.dest = VramMalloc(16);
     s->graphics.anim = SA2_ANIM_TIME_ATTACK_DIGITS;
     if (resultsCutScene->unk2D8 != 0) {
@@ -288,27 +288,27 @@ void sub_80897E8(void)
     u32 unk168 = resultsCutScene->unk168;
     u32 i;
 
-    if (unk168 < 0x18) {
+    if (unk168 < 24) {
         s32 temp;
         s = &resultsCutScene->unk12C;
         temp = 0;
-        if (unk168 < 0x11) {
-            temp = (0x10 - unk168) * 0x18;
+        if (unk168 < 17) {
+            temp = ((16 - unk168) * 24);
         }
 
         for (i = 0; i < 8; i++) {
-            s->x = temp + i * 0x20;
+            s->x = temp + (i * 32);
             DisplaySprite(s);
         }
     } else {
         s = &resultsCutScene->unk12C;
         for (i = 0; i < 8; i++) {
-            s->x = i << 5; // TODO: Does (i * 32) match?
+            s->x = (i * 32); // TODO: Does (i * 32) match?
             DisplaySprite(s);
         }
     }
 
-    if (unk168 > 0x1C) {
+    if (unk168 > 28) {
         s32 temp;
         if ((gCurrentLevel & ACT_BOSS) && !(gCurrentLevel & ACT_2)) {
             temp = 2;
@@ -322,17 +322,17 @@ void sub_80897E8(void)
         }
     }
 
-    if (unk168 > 0x59) {
+    if (unk168 > 89) {
         s = &resultsCutScene->unk9C[0];
-        if ((unk168 - 0x5A) < 0xB) {
-            s->x = (100 - unk168) * 16 + 40;
+        if ((unk168 - 90) < 11) {
+            s->x = (((DISPLAY_WIDTH / 2) - 20) - unk168) * 16 + 40;
         }
         DisplaySprite(s);
     }
 
-    if (unk168 > 0x77) {
-        s32 temp = (unk168 - 0x7F);
-        if (temp > 0x10) {
+    if (unk168 > 119) {
+        s32 temp = (unk168 - 127);
+        if (temp > 16) {
             if (resultsCutScene->unk2D8) {
                 s = &resultsCutScene->unk9C[1];
                 resultsCutScene->transform.width
@@ -361,7 +361,7 @@ void sub_80897E8(void)
         }
 
         for (i = 0; i < 7; i++) {
-            s32 index = (unk168 - 0x78) - i;
+            s32 index = (unk168 - 120) - i;
             if (index < 0) {
                 break;
             }
@@ -421,7 +421,7 @@ void sub_8089AEC(void)
     sub_8031314();
     sub_80897E8();
 
-    if (((unk168 > 0xA0) && (gPressedKeys & (A_BUTTON | START_BUTTON)))
+    if (((unk168 > 160) && (gPressedKeys & (A_BUTTON | START_BUTTON)))
         || (unk168 > 600)) {
         gCurTask->main = sub_8089B40;
     }