If your monitor is at an odd refresh rate (e.g., 144Hz), set it to temporarily:
For 90% of players, (adding +windowed to Steam launch options) will solve the problem immediately. Once you are inside the game, ensure you apply your correct native resolution and restart the game normally (removing the launch option afterwards if you prefer pure fullscreen).
If that works, you can try incrementing up to your monitor’s native rate (e.g., 144 ), but many players find Sam 3 runs best capped at 60Hz.
You need a custom launcher or a hex edit, but the safer route is using a mod:
Top — Serious Sam 3 Cannot Set Display Mode
If your monitor is at an odd refresh rate (e.g., 144Hz), set it to temporarily:
For 90% of players, (adding +windowed to Steam launch options) will solve the problem immediately. Once you are inside the game, ensure you apply your correct native resolution and restart the game normally (removing the launch option afterwards if you prefer pure fullscreen). serious sam 3 cannot set display mode top
If that works, you can try incrementing up to your monitor’s native rate (e.g., 144 ), but many players find Sam 3 runs best capped at 60Hz. If your monitor is at an odd refresh rate (e
You need a custom launcher or a hex edit, but the safer route is using a mod: serious sam 3 cannot set display mode top