using 3d models is not cheating and disabling saving in a single-player game on that basis is ridiculous anyway

src/g_game.c

@@ -761,6 +761,8 @@ void G_SetNightsRecords(void)
 // for consistency among messages: this modifies the game and removes savemoddata.
 void G_SetGameModified(boolean silent)
 {
+    // Lif: HACKED.
+    return;
 	if (modifiedgame && !savemoddata)
 		return;