diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index be3ac3d3..bb60a7a1 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -127,6 +127,10 @@ m_random_field/mRF_MakePerfectBit.c:
     .text: [0x8050B1AC, 0x8050B1D4]
 m_random_field/mRF_GetRandomStepMode.c:
     .text: [0x8050B284, 0x8050B2C0]
+first_game.c:
+    .text: [0x80629CA8, 0x80629D4C]
+sys_romcheck.c:
+    .text: [0x80629D4C, 0x80629D8C]
 second_game.c:
     .text: [0x8062B630, 0x8062B848]
     .bss: [0x8148DA60, 0x8148DA68]
diff --git a/include/Famicom/famicom.h b/include/Famicom/famicom.h
new file mode 100644
index 00000000..c0795e2a
--- /dev/null
+++ b/include/Famicom/famicom.h
@@ -0,0 +1,18 @@
+#ifndef FAMICOM_H
+#define FAMICOM_H
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef u8 (*FAMICOM_GETSAVECHAN_PROC)(int* player_no, int* slot_card_result);
+
+extern void famicom_setCallback_getSaveChan(FAMICOM_GETSAVECHAN_PROC getSaveChan_proc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/first_game.h b/include/first_game.h
index 014968a1..67822f7d 100644
--- a/include/first_game.h
+++ b/include/first_game.h
@@ -13,8 +13,8 @@ typedef struct game_first_s {
   /* 0x00 */ GAME game;
 } GAME_FIRST;
 
-extern void first_game_cleanup(GAME_FIRST* first_game);
-extern void first_game_init(GAME_FIRST* first_game);
+extern void first_game_cleanup(GAME* game);
+extern void first_game_init(GAME* game);
 
 #ifdef __cplusplus
 }
diff --git a/include/m_bgm.h b/include/m_bgm.h
index 392f40d1..3c783e86 100644
--- a/include/m_bgm.h
+++ b/include/m_bgm.h
@@ -7,6 +7,7 @@
 extern "C" {
 #endif
 
+extern void mBGM_ct();
 extern void mBGM_reset();
 extern void mBGMPsComp_make_ps_lost_fanfare(u8 bgm_no, u16 unk);
 extern void mBGMPsComp_scene_mode(int scene_mode);
diff --git a/include/m_card.h b/include/m_card.h
index 44c393cf..738fb6b8 100644
--- a/include/m_card.h
+++ b/include/m_card.h
@@ -8,6 +8,9 @@
 extern "C" {
 #endif
 
+extern u8 mCD_GetThisLandSlotNo_code(int* player_no, int* slot_card_results);
+extern void mCD_save_data_aram_malloc();
+
 extern void mCD_PrintErrInfo(gfxprint_t* gfxprint);
 extern void mCD_InitAll();
 
diff --git a/include/m_common_data.h b/include/m_common_data.h
index 329c4752..6d7b3b43 100644
--- a/include/m_common_data.h
+++ b/include/m_common_data.h
@@ -216,6 +216,7 @@ extern common_data_t common_data;
 #define Save_GetPointer(name) (Common_GetPointer(save.save.name))
 #define Save_Set(name, value) (Common_Set(save.save.name, value))
 
+extern void common_data_init();
 extern void common_data_reinit();
 
 #ifdef __cplusplus
diff --git a/include/m_vibctl.h b/include/m_vibctl.h
index 73625700..874bf34f 100644
--- a/include/m_vibctl.h
+++ b/include/m_vibctl.h
@@ -7,6 +7,7 @@
 extern "C" {
 #endif
 
+extern void mVibctl_ct();
 extern void mVibctl_reset();
 extern void mVibctl_init0();
 
diff --git a/include/sys_romcheck.h b/include/sys_romcheck.h
new file mode 100644
index 00000000..cdc5be4d
--- /dev/null
+++ b/include/sys_romcheck.h
@@ -0,0 +1,18 @@
+#ifndef SYS_ROMCHECK_H
+#define SYS_ROMCHECK_H
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SYS_ROMCHECK_DEBUG_ROM_VERSION 0x90
+
+extern void sys_romcheck();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/rel/first_game.c b/rel/first_game.c
new file mode 100644
index 00000000..0f45e49a
--- /dev/null
+++ b/rel/first_game.c
@@ -0,0 +1,26 @@
+#include "first_game.h"
+
+#include "sys_romcheck.h"
+#include "m_vibctl.h"
+#include "m_bgm.h"
+#include "m_card.h"
+#include "m_common_data.h"
+#include "second_game.h"
+#include "Famicom/famicom.h"
+
+static void exit_game(GAME* game) {
+  famicom_setCallback_getSaveChan(&mCD_GetThisLandSlotNo_code);
+  mBGM_ct();
+  mVibctl_ct();
+  common_data_init();
+  GAME_GOTO_NEXT(game, second_game, SECOND);
+}
+
+extern void first_game_cleanup(GAME* game) { }
+
+extern void first_game_init(GAME* game) {
+  game->cleanup = &first_game_cleanup;
+  sys_romcheck();
+  mCD_save_data_aram_malloc();
+  exit_game(game);
+}
diff --git a/rel/sys_romcheck.c b/rel/sys_romcheck.c
new file mode 100644
index 00000000..67642335
--- /dev/null
+++ b/rel/sys_romcheck.c
@@ -0,0 +1,10 @@
+#include "sys_romcheck.h"
+
+#include "dolphin/dvd.h"
+#include "m_nmibuf.h"
+
+extern void sys_romcheck() {
+  if (DVDGetCurrentDiskID()->gameVersion >= SYS_ROMCHECK_DEBUG_ROM_VERSION) {
+    APPNMI_ZURUMODE2_SET();
+  }
+}