You can use the included Serious Editor 1 and Serious Modeler to create custom textures or levels, now fully functional on modern 64-bit OS.
Fixed issues where Steam Achievements and statistics failed to unlock or sync. serious-sam-classics-revolution-update-05-12-2016
If your weapon looks too close to the camera on widescreen, use the console command /v_bUseResolutionFix=1 . You can use the included Serious Editor 1
Added unique random seeds for every match to vary enemy behavior slightly. 🛠️ Visual & Engine Improvements serious-sam-classics-revolution-update-05-12-2016
Added Serious Sammy as a new playable model.