No revenue estimate for EPIC — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $11M — a different platform, not this one.

Zombie Army 4: Dead War

Hitler’s hordes are back for more in this spine-chilling shooter from the makers of Sniper Elite 4! Abominable occult enemies, epic weapons and a harrowing new campaign for 1-4 players await in 1940s Europe, as you fight to save humankind from undead Armageddon!