No revenue estimate for XBOX — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

World War Z

World War Z is a heart-pounding co-op third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies and fast-paced gruesome action. Battle swarms of hundreds of zombies in gruesomely spectacular firefights Co-op story-driven campaigns Fight other survivors in Player vs Player vs Zombies modes Level 16 character classes and weapon upgrades to take on greater challenges