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 $124.4K — a different platform, not this one.

Immortal Planet

On the icy surface of a forgotten planet stand ruined tombs where immortals sleep. While sleepless warriors roam the halls with their minds eroded by eternity, a lone Awakewalker emerges from cryosleep. With no memory of their past, it’s up to them to forge their future, discover the planet’s mysteries, and find a way out of this icy hell. Souls-like Progression Recover Experiences lost upon death and use them to upgrade your character. Customize your playstyle with dozens of items and spells. Tight Level Design Levels are designed around single checkpoints from which you explore the area around it. Levels feature many unlockable shortcuts so you are always progressing no matter what. Intense Bossfights Every level features a powerful boss enemy. Fights with these enemies are multi-stage struggles that are a real test of skill and determination.