Teknosam 2 0 Serious Sam 20 Fix 'link'

Rename the existing Bin folder to Bin_Backup_Steam . Then copy the entire Bin folder from your Version 20 backup into the game directory.

For those still experiencing issues after applying community fixes: [SOLVED] - Serious Sam: The Second Encounter won't start teknosam 2 0 serious sam 20 fix

: Added an automatic aspect ratio setting and a "Max. FPS" option in the menus. Rename the existing Bin folder to Bin_Backup_Steam