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 $4.7K — a different platform, not this one.

Calturin

Calturin is a Bullet Hell Boss Rush game where you are resurrected by a necromancer who now holds you in his power. Promised your freedom if you do his bidding, you must traverse the Gauntlet of Portals to unknown lands and face deadly beings. - 8 unique boss fights, 2 paths of pain and a fight against an army. - A compelling story told through fully voiced characters. - Choose how to improve your skills as you become stronger. - Red and black portals for those who wish a harder challenge. - Designed to be suitable for both normal playthrough and speedrunning. The Gauntlet of Portals Awaits