The "mechanic" of the installer itself is a custom-themed wizard known for: Checksum Verification:

| Feature | RG Mechanics | FitGirl Repacks | | :--- | :--- | :--- | | | Very High (45GB -> 25GB) | Extreme (45GB -> 18GB) | | Install Speed | Moderate | Slow (due to higher compression) | | File Integrity | Lossless | Lossless | | Default Language | Russian + English | Multilingual with selector | | User Interface | Traditional .exe wizard | Modern, highly customizable |

Wolfenstein: The New Order uses light RPG mechanics—upgrade trees, collectibles, and permanent perks—to add meaningful player choice and progression without turning the game into a full RPG. The system enhances replayability and supports multiple viable playstyles, while preserving the core first-person shooting and narrative focus that define the experience.