diff --git a/src/n3ds/main.c b/src/n3ds/main.c
index 2fb74a70..b5263e9d 100644
--- a/src/n3ds/main.c
+++ b/src/n3ds/main.c
@@ -460,6 +460,8 @@ static void N3DS_drawFallbackRoomBorder(void) {
 
 static char* chooseDataWinPath(void) {
     if (fileExists("romfs:/data.win")) return safeStrdup("romfs:/data.win");
+    if (fileExists("romfs:/game.unx")) return safeStrdup("romfs:/game.unx");
+    if (fileExists("sdmc:/3ds/cinnamon/game.unx")) return safeStrdup("sdmc:/3ds/cinnamon/game.unx");
     return safeStrdup("sdmc:/3ds/cinnamon/data.win");
 }
 
diff --git a/tools/n3ds-preprocess/main.c b/tools/n3ds-preprocess/main.c
index 8e62c5f1..9d14a762 100644
--- a/tools/n3ds-preprocess/main.c
+++ b/tools/n3ds-preprocess/main.c
@@ -4247,7 +4247,7 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
     if (candidate == NULL || candidate[0] == '\0') return false;
 
     if (fileExists(candidate)) {
-        if (stringContainsIgnoreCase(candidate, "data.win")) {
+        if (stringContainsIgnoreCase(candidate, "data.win") || stringContainsIgnoreCase(candidate, "game.unx")) {
             snprintf(dataWinPath, dataWinPathSize, "%s", candidate);
             return true;
         }
@@ -4266,6 +4266,15 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
         snprintf(dataWinPath, dataWinPathSize, "%s", directPath);
         return true;
     }
+#if N3DS_PREPROCESS_HOST_WINDOWS
+    snprintf(directPath, sizeof(directPath), "%s\\game.unx", candidate);
+#else
+    snprintf(directPath, sizeof(directPath), "%s/game.unx", candidate);
+#endif
+    if (fileExists(directPath)) {
+        snprintf(dataWinPath, dataWinPathSize, "%s", directPath);
+        return true;
+    }
 
 #if N3DS_PREPROCESS_HOST_WINDOWS
     snprintf(directPath, sizeof(directPath), "%s\\UNDERTALE.exe", candidate);
@@ -4277,6 +4286,12 @@ static bool resolveUndertaleDataWinPath(const char* candidate, char* dataWinPath
         snprintf(dataWinPath, dataWinPathSize, "%s\\data.win", candidate);
 #else
         snprintf(dataWinPath, dataWinPathSize, "%s/data.win", candidate);
+#endif
+        if (fileExists(dataWinPath)) return true;
+#if N3DS_PREPROCESS_HOST_WINDOWS
+        snprintf(dataWinPath, dataWinPathSize, "%s\\game.unx", candidate);
+#else
+        snprintf(dataWinPath, dataWinPathSize, "%s/game.unx", candidate);
 #endif
         if (fileExists(dataWinPath)) return true;
     }
@@ -4978,8 +4993,8 @@ int main(int argc, char** argv) {
     }
 
     if (!normalizeInputDataWinPath(&options)) {
-        fprintf(stderr, "Could not resolve data.win from: %s\n", options.inputPath);
-        fprintf(stderr, "Pass either the Undertale folder or the full path to data.win.\n");
+        fprintf(stderr, "Could not resolve data.win or game.unx from: %s\n", options.inputPath);
+        fprintf(stderr, "Pass either the Undertale folder or the full path to data.win or game.unx.\n");
         return 1;
     }