Sonic Generations is an older title. Ensure your PC has the DirectX End-User Runtimes installed.

Some total conversion mods (like The Hedgehog Project ) redirect your save file to a different folder to prevent corruption. If your game crashes immediately upon loading a save, try toggling the setting in HMM. Run as Administrator

Click it, then restart your browser. Now, clicking links on GameBanana should automatically trigger a download inside HMM. 5. Verify Game Files If all else fails, your base game files might be corrupted. Go to > Library . Right-click Sonic Generations > Properties . Select Installed Files > Verify integrity of game files .

HedgeModManager uses a priority system. Mods at the of the list take priority over those at the bottom. If you have two mods that change Sonic’s model, the one on top wins. If a mod isn't showing up, try moving it to the top of the list to ensure nothing is overwriting it. Disable "Save File" Redirection

Always ensure you are using the most recent build from GitHub.

Sometimes Windows prevents HMM from writing the necessary .dll files into your Steam folder. Right-click HedgeModManager.exe and select before clicking "Save and Play." 3. Dealing with Crashes (CTD)

Are you running into a specific or a black screen when you try to launch?

Look for a button that says or "Protocol Handler."

Go to the "Codes" tab in HMM and disable everything. If the game works, re-enable codes one by one to find the one causing the conflict. 4. One-Click Mod Installation Links Not Working?