For players in Germany, Austria, and parts of Switzerland, the default Steam or retail version is often the "cut" edition. This version lacks the core features that define the World at War experience:
Restores blood effects and dismemberment that were removed to lower the game's violence rating. cod waw uncut patch
An "uncut patch" restores these censored elements to match the original international (uncensored) version. For players in Germany, Austria, and parts of