2024-05-24 Application: Serious Sam 3: BFE (PC, Steam/GOG) Issue Class: Graphics / Display Initialization Failure Error Message: "Cannot set display mode" (sometimes accompanied by a resolution like 640x480 or "top" missing from list)
Go to Steam -> Right-click "Serious Sam 3: BFE" -> . serious sam 3 cannot set display mode top
Does your PC meet the for the game, or should we look into compatibility mode settings next? (Serious Sam 3) fatal error: cannot set display mode 2024-05-24 Application: Serious Sam 3: BFE (PC, Steam/GOG)
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The game defaults to DirectX 11, which can cause mode errors on older or mismatched GPUs.
You can force the game's behavior directly through Steam without editing files: Right-click the game in Steam and select . In the General tab, look for Launch Options .
The engine Serious Sam 3 was built upon relies on older versions of DirectX, specifically DirectX 9.0c components, to function. Even if you have the latest DirectX 12 installed on a modern version of Windows, the specific legacy files the game needs might be missing.