diff --git a/Makefile b/Makefile
index f89e6909..cd687a9e 100644
--- a/Makefile
+++ b/Makefile
@@ -406,22 +406,14 @@ endif
 # Luigi and wario sounds don't work on 32-bit right now
 # And the audio code is so terrible I don't care enough to figure it out at the moment
 ifeq ($(TARGET_BITS), 32)
-  $(shell rm -rf sound/samples/sfx_custom_luigi/*.aiff)
-  $(shell rm -rf sound/samples/sfx_custom_luigi_peach/*.aiff)
-  $(shell rm -rf sound/samples/sfx_custom_wario/*.aiff)
-  $(shell rm -rf sound/samples/sfx_custom_wario_peach/*.aiff)
+  _ := $(shell rm -rf sound/samples/sfx_custom_luigi/*.aiff)
+  _ := $(shell rm -rf sound/samples/sfx_custom_luigi_peach/*.aiff)
+  _ := $(shell rm -rf sound/samples/sfx_custom_wario/*.aiff)
+  _ := $(shell rm -rf sound/samples/sfx_custom_wario_peach/*.aiff)
 endif
 
-# Copy missing luigi sounds from mario sound banks
-#$(shell mkdir -p sound/samples/sfx_custom_luigi sound/samples/sfx_custom_luigi_peach )
-#$(shell cp -n sound/samples/sfx_mario/*.aiff sound/samples/sfx_custom_luigi/ )
-#$(shell cp -n sound/samples/sfx_mario_peach/*.aiff sound/samples/sfx_custom_luigi_peach/ )
-
-# Copy missing wario sounds from mario sound banks
-#$(shell mkdir -p sound/samples/sfx_custom_wario sound/samples/sfx_custom_wario_peach )
-#$(shell cp -n sound/samples/sfx_mario/*.aiff sound/samples/sfx_custom_wario/ )
-#$(shell cp -n sound/samples/sfx_mario_peach/*.aiff sound/samples/sfx_custom_wario_peach/ )
-
+# Copy missing character sounds from mario sound banks
+_ := $(shell $(PYTHON) $(TOOLS_DIR)/copy_mario_sounds.py)
 
 #==============================================================================#
 # Target Executable and Sources                                                #
diff --git a/data/dynos_opt_config.cpp b/data/dynos_opt_config.cpp
index a3cc02d8..b0006cfa 100644
--- a/data/dynos_opt_config.cpp
+++ b/data/dynos_opt_config.cpp
@@ -26,7 +26,16 @@ void DynOS_Opt_LoadConfig(DynosOption *aMenu) {
 
                     // Option values
                     switch (_Opt->mType) {
+#ifdef COOP
+                        case DOPT_TOGGLE: {
+                            unsigned char boolValue = 0;
+                            sscanf(_DataBegin, "%hhu\n", &boolValue);
+                            _Opt->mToggle.mTog[0] = boolValue;
+                            break;
+                        }
+#else
                         case DOPT_TOGGLE: sscanf(_DataBegin, "%hhu\n",           &_Opt->mToggle.mTog[0]); break;
+#endif
                         case DOPT_CHOICE: sscanf(_DataBegin, "%d\n",             &_Opt->mChoice.mIndex[0]); break;
                         case DOPT_SCROLL: sscanf(_DataBegin, "%d\n",             &_Opt->mScroll.mValue[0]); break;
                         case DOPT_BIND:   sscanf(_DataBegin, "%04X;%04X;%04X\n", &_Opt->mBind.mBinds[0], &_Opt->mBind.mBinds[1], &_Opt->mBind.mBinds[2]); break;
diff --git a/src/menu/star_select.c b/src/menu/star_select.c
index 40c5b3ee..19f6aeb9 100644
--- a/src/menu/star_select.c
+++ b/src/menu/star_select.c
@@ -402,9 +402,13 @@ void print_act_selector_strings(void) {
         if (playersInAct > 0) {
             char message[16] = { 0 };
             if (playersInAct == 1) {
-                snprintf(message, 16, "join");
+                if (snprintf(message, 16, "join") < 0) {
+                    // do nothing
+                }
             } else {
-                snprintf(message, 16, "%d players", playersInAct);
+                if (snprintf(message, 16, "%d players", playersInAct) < 0) {
+                    // do nothing
+                }
             }
 
             gSPDisplayList(gDisplayListHead++, dl_ia_text_begin);
diff --git a/src/pc/chat_commands.c b/src/pc/chat_commands.c
index 9e803208..cce703f7 100644
--- a/src/pc/chat_commands.c
+++ b/src/pc/chat_commands.c
@@ -20,7 +20,9 @@ static struct NetworkPlayer* chat_get_network_player(char* name) {
     for (int i = 0; i < MAX_PLAYERS; i++) {
         if (!gNetworkPlayers[i].connected) { continue; }
         char id[16] = { 0 };
-        snprintf(id, 16, "%d", i);
+        if (snprintf(id, 16, "%d", i) < 0) {
+            // do nothing
+        }
         if (strcmp(id, name) == 0) {
             return &gNetworkPlayers[i];
         }
diff --git a/src/pc/djui/djui_panel_join.c b/src/pc/djui/djui_panel_join.c
index c15d7ac8..8b085501 100644
--- a/src/pc/djui/djui_panel_join.c
+++ b/src/pc/djui/djui_panel_join.c
@@ -3,6 +3,7 @@
 #include "src/pc/network/network.h"
 #include "src/pc/utils/misc.h"
 #include "src/pc/configfile.h"
+#include "src/pc/debuglog.h"
 
 #ifdef DISCORD_SDK
 static char* sJoiningDiscord = "\
@@ -89,7 +90,9 @@ static bool djui_panel_join_ip_valid(char* buffer) {
 
 static void djui_panel_join_ip_text_set_new(void) {
     char buffer[256] = { 0 };
-    snprintf(buffer, 256, "%s", sInputboxIp->buffer);
+    if (snprintf(buffer, 256, "%s", sInputboxIp->buffer) < 0) {
+        LOG_INFO("truncating IP");
+    }
 
     bool afterSpacer = false;
     int port = 0;
@@ -105,7 +108,9 @@ static void djui_panel_join_ip_text_set_new(void) {
         }
     }
 
-    snprintf(configJoinIp, MAX_CONFIG_STRING, "%s", buffer);
+    if (snprintf(configJoinIp, MAX_CONFIG_STRING, "%s", buffer) < 0) {
+        LOG_INFO("truncating IP");
+    }
     if (port >= 1 && port <= 65535) {
         configJoinPort = port;
     } else {
@@ -116,11 +121,11 @@ static void djui_panel_join_ip_text_set_new(void) {
 static void djui_panel_join_ip_text_set(struct DjuiInputbox* inputbox1) {
     char buffer[256] = { 0 };
     if (strlen(configJoinIp) > 0 && configJoinPort != DEFAULT_PORT) {
-        snprintf(buffer, 256, "%s:%d", configJoinIp, configJoinPort);
+        if (snprintf(buffer, 256, "%s:%d", configJoinIp, configJoinPort) < 0) { LOG_INFO("truncating IP"); }
     } else if (strlen(configJoinIp) > 0) {
-        snprintf(buffer, 256, "%s", configJoinIp);
+        if (snprintf(buffer, 256, "%s", configJoinIp) < 0) { LOG_INFO("truncating IP"); }
     } else {
-        snprintf(buffer, 256, "127.0.0.1");
+        if (snprintf(buffer, 256, "127.0.0.1") < 0) { LOG_INFO("truncating IP"); }
     }
 
     djui_inputbox_set_text(inputbox1, buffer);
diff --git a/src/pc/fs/fs.c b/src/pc/fs/fs.c
index 4008fdc1..d0c842e2 100644
--- a/src/pc/fs/fs.c
+++ b/src/pc/fs/fs.c
@@ -358,14 +358,18 @@ void *fs_load_file(const char *vpath, uint64_t *outsize) {
 
 const char *fs_get_write_path(const char *vpath) {
     static char path[SYS_MAX_PATH];
-    snprintf(path, sizeof(path), "%s/%s", fs_writepath, vpath);
+    if (snprintf(path, sizeof(path), "%s/%s", fs_writepath, vpath) < 0) {
+        return NULL;
+    }
     return path;
 }
 
 const char *fs_convert_path(char *buf, const size_t bufsiz, const char *path)  {
     // ! means "executable directory"
     if (path[0] == '!') {
-        snprintf(buf, bufsiz, "%s%s", sys_exe_path(), path + 1);
+        if (snprintf(buf, bufsiz, "%s%s", sys_exe_path(), path + 1) < 0) { 
+            return NULL;
+        }
     } else {
         strncpy(buf, path, bufsiz);
         buf[bufsiz-1] = 0;
@@ -407,7 +411,9 @@ bool fs_sys_walk(const char *base, walk_fn_t walk, void *user, const bool recur)
 
     while ((ent = readdir(dir)) != NULL) {
         if (ent->d_name[0] == 0 || ent->d_name[0] == '.') continue; // skip ./.. and hidden files
-        snprintf(fullpath, sizeof(fullpath), "%s/%s", base, ent->d_name);
+        if (snprintf(fullpath, sizeof(fullpath), "%s/%s", base, ent->d_name) < 0) {
+            continue;
+        }
         if (fs_sys_dir_exists(fullpath)) {
             if (recur) {
                 if (!fs_sys_walk(fullpath, walk, user, recur)) {
diff --git a/src/pc/mod_list.c b/src/pc/mod_list.c
index 0c48c353..8b981fb5 100644
--- a/src/pc/mod_list.c
+++ b/src/pc/mod_list.c
@@ -29,7 +29,7 @@ static void mod_list_delete_tmp(void) {
 
     static char path[SYS_MAX_PATH] = { 0 };
     while ((dir = readdir(d)) != NULL) {
-        snprintf(path, SYS_MAX_PATH - 1, "%s/%s", sTmpPath, dir->d_name);
+        if (snprintf(path, SYS_MAX_PATH - 1, "%s/%s", sTmpPath, dir->d_name) < 0) { continue; }
         if (!fs_sys_file_exists(path)) { continue; }
 
 #if defined(_WIN32)
@@ -81,8 +81,11 @@ void mod_list_add_tmp(u16 index, u16 remoteIndex, char* name, size_t size) {
         n++;
     }
 
-    snprintf(entry->path, SYS_MAX_PATH - 1, "%s/%s-%u-%s", sTmpPath, sTmpSession, index, sanitizedName);
-    entry->fp = fopen(entry->path, "wb");
+    if (snprintf(entry->path, SYS_MAX_PATH - 1, "%s/%s-%u-%s", sTmpPath, sTmpSession, index, sanitizedName) >= 0) {
+        entry->fp = fopen(entry->path, "wb");
+    } else {
+        entry->fp = NULL;
+    }
 
     entry->remoteIndex = remoteIndex;
     entry->complete = false;
@@ -122,13 +125,13 @@ void mod_list_extract_lua_fields(struct ModListEntry* entry) {
         char* extracted = NULL;
         if (entry->displayName == NULL && (extracted = extract_lua_field("-- name:", buffer))) {
             entry->displayName = calloc(33, sizeof(char));
-            snprintf(entry->displayName, 32, "%s", extracted);
+            if (snprintf(entry->displayName, 32, "%s", extracted) < 0) {}
         } else if (entry->incompatible == NULL && (extracted = extract_lua_field("-- incompatible:", buffer))) {
             entry->incompatible = calloc(257, sizeof(char));
-            snprintf(entry->incompatible, 256, "%s", extracted);
+            if (snprintf(entry->incompatible, 256, "%s", extracted) < 0) {}
         } else if (entry->description == NULL && (extracted = extract_lua_field("-- description:", buffer))) {
             entry->description = calloc(513, sizeof(char));
-            snprintf(entry->description, 512, "%s", extracted);
+            if (snprintf(entry->description, 512, "%s", extracted) < 0) {}
         }
     }
 
diff --git a/src/pc/network/discord/activity.c b/src/pc/network/discord/activity.c
index a3f53278..93711e34 100644
--- a/src/pc/network/discord/activity.c
+++ b/src/pc/network/discord/activity.c
@@ -28,7 +28,9 @@ static void on_activity_join_callback(UNUSED void* data, enum EDiscordResult res
     network_init(NT_CLIENT);
 
     gCurActivity.type = DiscordActivityType_Playing;
-    snprintf(gCurActivity.party.id, 128, DISCORD_ID_FORMAT, lobby->id);
+    if (snprintf(gCurActivity.party.id, 128, DISCORD_ID_FORMAT, lobby->id) < 0) {
+        LOGFILE_ERROR(LFT_DISCORD, "Truncating party id");
+    }
     gCurActivity.party.size.current_size = 2;
     gCurActivity.party.size.max_size = lobby->capacity;
 
@@ -130,7 +132,9 @@ void discord_activity_update(bool hosting) {
         discord_populate_details(details, true);
     }
 
-    snprintf(gCurActivity.details, 125, "%s", details);
+    if (snprintf(gCurActivity.details, 125, "%s", details) < 0) {
+        LOGFILE_INFO(LFT_DISCORD, "truncating details");
+    }
 
     app.activities->update_activity(app.activities, &gCurActivity, NULL, on_activity_update_callback);
     LOGFILE_INFO(LFT_DISCORD, "set activity");
diff --git a/src/pc/network/discord/lobby.c b/src/pc/network/discord/lobby.c
index 2565cf3e..a0271cca 100644
--- a/src/pc/network/discord/lobby.c
+++ b/src/pc/network/discord/lobby.c
@@ -44,12 +44,16 @@ static void on_lobby_create_callback(UNUSED void* data, enum EDiscordResult resu
     LOGFILE_INFO(LFT_DISCORD, "Lobby locked: %d", lobby->locked);
 
     gCurActivity.type = DiscordActivityType_Playing;
-    snprintf(gCurActivity.party.id, 128, DISCORD_ID_FORMAT, lobby->id);
+    if (snprintf(gCurActivity.party.id, 128, DISCORD_ID_FORMAT, lobby->id) < 0) {
+        LOGFILE_ERROR(LFT_DISCORD, "truncating party id");
+    }
     gCurActivity.party.size.current_size = 1;
     gCurActivity.party.size.max_size = configAmountofPlayers;
 
     char secretJoin[128] = "";
-    snprintf(secretJoin, 128, DISCORD_ID_FORMAT ":%s", lobby->id, lobby->secret);
+    if (snprintf(secretJoin, 128, DISCORD_ID_FORMAT ":%s", lobby->id, lobby->secret) < 0) {
+        LOGFILE_ERROR(LFT_DISCORD, "truncating secret");
+    }
     strcpy(gCurActivity.secrets.join, secretJoin);
 
     isHosting = true;
diff --git a/src/pc/network/packets/packet_player_settings.c b/src/pc/network/packets/packet_player_settings.c
index cb132caf..02d6f011 100644
--- a/src/pc/network/packets/packet_player_settings.c
+++ b/src/pc/network/packets/packet_player_settings.c
@@ -4,7 +4,9 @@
 
 void network_send_player_settings(void) {
     char playerName[MAX_PLAYER_STRING+1] = { 0 };
-    snprintf(playerName, MAX_PLAYER_STRING, "%s", configPlayerName);
+    if (snprintf(playerName, MAX_PLAYER_STRING, "%s", configPlayerName) < 0) {
+        LOG_INFO("truncating player name");
+    }
 
     struct Packet p = { 0 };
     packet_init(&p, PACKET_PLAYER_SETTINGS, true, PLMT_NONE);
@@ -14,7 +16,9 @@ void network_send_player_settings(void) {
     packet_write(&p, &configPlayerPalette, sizeof(u8));
 
     if (gNetworkPlayerLocal != NULL) {
-        snprintf(gNetworkPlayerLocal->name, MAX_PLAYER_STRING, "%s", playerName);
+        if (snprintf(gNetworkPlayerLocal->name, MAX_PLAYER_STRING, "%s", playerName) < 0) {
+            LOG_INFO("truncating player name");
+        }
     }
 
     network_send(&p);
@@ -47,7 +51,9 @@ void network_receive_player_settings(struct Packet* p) {
     if (playerPalette >= PALETTE_MAX) { playerPalette = 0; }
 
     struct NetworkPlayer* np = network_player_from_global_index(globalId);
-    snprintf(np->name, MAX_PLAYER_STRING, "%s", playerName);
+    if (snprintf(np->name, MAX_PLAYER_STRING, "%s", playerName) < 0) {
+        LOG_INFO("truncating player name");
+    }
 
     if (np->modelIndex   == np->overrideModelIndex)   { np->overrideModelIndex   = playerModel;   }
     if (np->paletteIndex == np->overridePaletteIndex) { np->overridePaletteIndex = playerPalette; }
diff --git a/tools/copy_mario_sounds.py b/tools/copy_mario_sounds.py
new file mode 100644
index 00000000..4688021a
--- /dev/null
+++ b/tools/copy_mario_sounds.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+import os
+
+copy_directories = {
+    'sound/samples/sfx_mario/': [
+        'sound/samples/sfx_custom_luigi/',
+        'sound/samples/sfx_custom_wario/',
+    ],
+    'sound/samples/sfx_mario_peach/': [
+        'sound/samples/sfx_custom_luigi_peach/',
+        'sound/samples/sfx_custom_wario_peach/',
+    ],
+}
+
+def copy_dir(source, destinations):
+    for filename in os.listdir(source):
+        if not filename.endswith('.aiff'):
+            continue
+        src = source + filename
+
+        shortened_name = filename.split('_')[0] + '.aiff'
+        for destination in destinations:
+            dst = destination + shortened_name
+            if os.path.exists(dst):
+                continue
+            print('Copying mario sounds to character sounds: ' + src + ' -> ' + dst)
+            os.system('cp ' +  src + ' ' + dst)
+
+def main():
+    for source in copy_directories:
+        copy_dir(source, copy_directories[source])
+
+if __name__ == "__main__":
+    main()