No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $14.2K — a different platform, not this one.

Zombie Derby

It includes three titles: Zombie Derby, Zombie Derby 2, and Zombie Derby: Pixel Survival. Players must drive through hordes of undead, upgrade vehicles, and overcome obstacles in various deadly environments. The games feature dynamic vehicular combat, challenging gameplay, and a blend of arcade action and simulation. With enhanced graphics and addictive mechanics, this collection is perfect for fans of post-apocalyptic survival and racing!