With these settings, even an Intel Celeron laptop from 2015 can hit 720p at 30–40 FPS.
GameJolt is full of free Sonic fan games. Some developers name their projects misleadingly to attract searches. Examples include: sonic generations pc gamejolt portable
Because this isn't an official release, you will encounter issues. Here are the most common fixes for the GameJolt Portable version. With these settings, even an Intel Celeron laptop
| Problem | Solution |
| :--- | :--- |
| "XINPUT1_3.dll is missing" | You need DirectX. Download the offline installer from Microsoft, or copy the missing DLL from the _Redist folder inside the game directory. |
| The game crashes on launch (black screen) | This is a resolution bug. Go to C:\Users\[YourName]\Documents\SEGA\Sonic Generations\ and delete the Config file. Re-launch. |
| Controller not working | The portable version disables Steam Input. Use XInput Plus or DS4Windows to force your controller to emulate an Xbox 360 pad. |
| Save game not persisting | Run the .exe as Administrator. Also, check if Windows Defender is blocking the portable folder from writing save files. |
| Low FPS on modern hardware | Force the game to use your dedicated GPU. Go to Windows Graphics Settings > Add app > Browse > Select SonicGenerations.exe > Set to "High Performance." | GameJolt is full of free Sonic fan games