: The game is available for Windows, macOS, and Linux.

: Beyond designed maps, the game can generate new levels automatically to keep gameplay fresh.

: Retains the iconic "flow-based" movement from the original 2002 game, combined with modern ragdoll physics.

: Allows you to edit nearly every game parameter, including weapon stats, gravity, and player physics.

: Supports easy modding and creation of custom battle arenas.