diff --git a/include/audio.h b/include/audio.h
index 4e02db3..a7105f6 100644
--- a/include/audio.h
+++ b/include/audio.h
@@ -20,7 +20,7 @@
 #include <stdbool.h>
 
 void audio_init(void);
-void audio_fini(void);
+void audio_reset(void);
 void audio_update(void);
 bool audio_play_sound(int sound_no);
 
diff --git a/include/parts.h b/include/parts.h
index de95b57..71ad136 100644
--- a/include/parts.h
+++ b/include/parts.h
@@ -24,6 +24,7 @@ struct string;
 
 // parts.c
 bool PE_Init(void);
+void PE_Reset(void);
 void PE_Update(int passed_time, bool message_window_show);
 void PE_UpdateComponent(int passed_time);
 void PE_UpdateParts(int passed_time, bool is_skip, bool message_window_show);
diff --git a/src/audio.c b/src/audio.c
index 377b962..b92029a 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -54,6 +54,19 @@ void audio_init(void)
 	audio_initialized = true;
 }
 
+void audio_reset(void)
+{
+	for (int i = 0; i < wav.nr_slots; i++) {
+		wav_unprepare(i);
+	}
+	for (int i = 0; i < bgm.nr_slots; i++) {
+		bgm_unprepare(i);
+	}
+	for (int i = 0; i < NR_ANONYMOUS_CHANNELS; i++) {
+		anonymous_channels[i] = -1;
+	}
+}
+
 void audio_update(void)
 {
 	for (int i = 0; i < NR_ANONYMOUS_CHANNELS; i++) {
diff --git a/src/hll/ChipmunkSpriteEngine.c b/src/hll/ChipmunkSpriteEngine.c
index 2cb2c26..ecce459 100644
--- a/src/hll/ChipmunkSpriteEngine.c
+++ b/src/hll/ChipmunkSpriteEngine.c
@@ -35,6 +35,7 @@ static void ChipmunkSpriteEngine_PreLink(void);
 static void ChipmunkSpriteEngine_ModuleFini(void)
 {
 	sact_ModuleFini();
+	CharSpriteManager_Clear();
 }
 
 static int ChipmunkSpriteEngine_Init(possibly_unused void *imain_system)
diff --git a/src/hll/GUIEngine.c b/src/hll/GUIEngine.c
index 9cdd06f..7e7021c 100644
--- a/src/hll/GUIEngine.c
+++ b/src/hll/GUIEngine.c
@@ -33,6 +33,7 @@ static void GUIEngine_ModuleInit(void)
 
 static void GUIEngine_ModuleFini(void)
 {
+	PE_Reset();
 }
 
 bool GUIEngine_Save(struct page **buffer)
diff --git a/src/hll/GoatGUIEngine.c b/src/hll/GoatGUIEngine.c
index ac20f70..6cd6f90 100644
--- a/src/hll/GoatGUIEngine.c
+++ b/src/hll/GoatGUIEngine.c
@@ -27,6 +27,7 @@ static void GoatGUIEngine_PreLink(void);
 
 HLL_LIBRARY(GoatGUIEngine,
 	    HLL_EXPORT(_PreLink, GoatGUIEngine_PreLink),
+	    HLL_EXPORT(_ModuleFini, PE_Reset),
 	    HLL_EXPORT(Init, PE_Init),
 	    HLL_EXPORT(Update, PE_Update),
 	    HLL_EXPORT(SetPartsCG, PE_SetPartsCG),
diff --git a/src/hll/PartsEngine.c b/src/hll/PartsEngine.c
index db2a87a..a5b16ec 100644
--- a/src/hll/PartsEngine.c
+++ b/src/hll/PartsEngine.c
@@ -24,6 +24,7 @@ static void PartsEngine_ModuleInit(void)
 
 static void PartsEngine_ModuleFini(void)
 {
+	PE_Reset();
 }
 
 void PartsEngine_Update(int passed_time, bool is_skip, bool message_window_show)
diff --git a/src/hll/SACT2.c b/src/hll/SACT2.c
index 59f37b8..d5c0d26 100644
--- a/src/hll/SACT2.c
+++ b/src/hll/SACT2.c
@@ -131,6 +131,7 @@ static int sact_Init(possibly_unused void *imain_system, int cg_cache_size)
 void sact_ModuleFini(void)
 {
 	sact_SP_DeleteAll();
+	audio_reset();
 }
 
 //int SACT2_Error(struct string *err);
diff --git a/src/hll/StoatSpriteEngine.c b/src/hll/StoatSpriteEngine.c
index 471e742..c4b0c4e 100644
--- a/src/hll/StoatSpriteEngine.c
+++ b/src/hll/StoatSpriteEngine.c
@@ -321,6 +321,7 @@ static void StoatSpriteEngine_ModuleFini(void)
 {
 	sact_ModuleFini();
 	multisprite_clear();
+	CharSpriteManager_Clear();
 }
 
 static void multisprite_update_pos(struct multisprite *ms)
diff --git a/src/parts/parts.c b/src/parts/parts.c
index 3d22051..18da6f7 100644
--- a/src/parts/parts.c
+++ b/src/parts/parts.c
@@ -738,6 +738,12 @@ bool PE_Init(void)
 	return true;
 }
 
+void PE_Reset(void)
+{
+	PE_ReleaseAllParts();
+	sact_ModuleFini();
+}
+
 static bool parts_has_dirty_parent(struct parts *parts)
 {
 	for (struct parts *parent = parts->parent; parent; parent = parent->parent) {