Modifications to the original World at War (WAW) Zombies game environment created by users are levels designed independently of the game’s developers. These user-generated environments offer unique gameplay experiences that significantly diverge from the standard, developer-created maps. For instance, a user-designed level may introduce novel objectives, enemy types, or weapons not found in the original game.
The practice of creating and sharing custom levels has considerably extended the longevity and replayability of the game. This community-driven content has provided continued engagement for players beyond the initial lifespan of the commercially released product. The availability of additional content has historically fostered a more dedicated and active community around the game, leading to increased interaction and knowledge-sharing among participants.