Most FitGirl Repacks include a folder named _CommonRedist or _redist inside the installation directory. This is the most common reason for failure.
Look for the released by PLAZA or CODEX – a small (5MB) archive containing: One More Night Windows 7 Fix -FitGirl Repack-
The feature you’re likely referring to for (a zombie survival game) in the FitGirl Repack with the Windows 7 fix is: Most FitGirl Repacks include a folder named _CommonRedist
⚠️ Note: One More Night is a relatively light Unity game; the Win7 fix usually works fully, but some later updates may break it. the Win7 fix usually works fully