If your Sonic Generations folder is set to read-only (common with Steam installs), mods won’t inject correctly. Right-click the folder → Properties → uncheck “Read-only” → Apply.
So you’ve downloaded a few mods for Sonic Generations , loaded them up in the mod manager… and nothing happens. Or worse—the game crashes on startup. Don’t worry. This is incredibly common, and the fix is usually simple. sonic generations mods not working
Many gameplay or visual mods require SonicGMI (Generations Mod Injector) or CodeLoader . Read the mod’s description carefully. If it says “requires CodeLoader” and you don’t have it, the mod will silently fail. If your Sonic Generations folder is set to