Doom II secret level - Wolfenstein (map 31) - 100% completion

Map 31 - Wolfenstein:

- Wolfenstein is a secret level in Doom II, paying homage to the Wolfenstein 3D game.
- The level features a unique aesthetic reminiscent of the Wolfenstein series, with Nazi-themed enemies and textures.
- Players navigate through a series of interconnected rooms and corridors, engaging in intense battles with various enemies.