Because the game was coded for Windows XP/Vista/7, Windows 10 and 11 often choke on it.
Remember: SA2 is 32-bit. If your browser is using 3GB of RAM, the game has no space to allocate its tiny 2GB block. Close everything except Steam. sonic adventure 2 crashing steam
If you absolutely cannot get the codec to work, bypass videos entirely. Because the game was coded for Windows XP/Vista/7,
The Steam Overlay injects code into the game. The SA2 engine hates this injection. sonic adventure 2 crashing steam
If you are still experiencing , run this final diagnostic:
Inside the Mod Manager, go to the "Download Mods" tab. Install these :
If you are experiencing crashes on startup or during gameplay, follow these steps to stabilize your game. 1. Lock Your Frame Rate to 60 FPS