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 $260K — a different platform, not this one.

Earthion

Return to the genesis of 16-bit gaming with Ancient's brand new shoot 'em up, Earthion! With Earth's resources depleted and its environment in ruin, most of humanity has fled to Mars. But when hostile invaders launch an attack on Earth, mankind has no choice but to fight back. As environmental researcher Azusa Takanashi, you'll pilot the state-of-the-art space fighter YK-IIA and mount the most important counterattack in human history. Losing is not an option! Featuring eight action-packed stages full of stunning visuals, frenetic gameplay, and amazing special effects—not to mention an incredible soundtrack composed by the legendary Yuzo Koshiro—Earthion will have you on the edge of your seat as you fight to save humanity's future. ・A brand new, completely authentic retro 2D shooter experience designed on actual 16-bit hardware ・Destroy enemy craft and nab their resources to enhance your ship's capabilities ・Utilize various sub weapons to deploy a multitude of different strategies an