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 $58.7K — a different platform, not this one.

Erra: Exordium

Erra: Exordium is a 2D action adventure game in Dieselpunk setting. Explore a world based on Sumerian-Akkadian mythology. Take the role of a scientist who was able to cheat death and fight the rebellious army of mechatrons. The world has come to an end. Welcome to the unique Dieselpunk 2D Action Adventure game. - Become a hero whose consciousness has been transferred to a mechanical shell. - Explore a detailed 2D world. Unique architecture and traditional frame-by-frame animation awaits you. - Ammo and resources are limited, use them wisely. - Find out the truth behind the death of an entire Archipelago. - Engage in an unequal battle with the rebellious mechatrons army.