Grey Havok's Crystal War

Crystal defense

Grey Havok's Crystal War is an arcade FPS for PC where you defend powerful crystals from waves of monsters, mutants, flying enemies, and oversized creatures. Fight through arenas, survive escalating waves, and keep both yourself and the crystal alive. In wave defense, you unlock levels and try to clear every wave.

Modes and multiplayer

Play solo, team up in local co-op, or create and join Steam online lobbies for matches with friends. Local multiplayer supports split-screen, including couch co-op and 1P versus 2P. Player-versus-player modes pit you against another player while customizable enemies and hazards add pressure.