File: | Wolfenstein.the.old.blood.v1.0.zip ...

If experiencing display issues, right-click the executable, go to Properties > Compatibility, and check "Override high DPI scaling behavior".

If you are working with the PC version of the game, certain manual adjustments can improve performance: File: Wolfenstein.The.Old.Blood.v1.0.zip ...

For a complete look at the game's story and gameplay, you can watch this full walkthrough: If experiencing display issues