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 $1M — a different platform, not this one.

Ib

A young girl named Ib visits an art gallery with her parents. While perusing the various works of art, Ib suddenly realizes that she is alone. As she searches for someone – anyone – else, the museum begins to change... ◆◆◆◆◆ A 2D exploration adventure game set in a creepy, mysterious art gallery. Inspect the area around you, discovering items and disarming traps to find your way out of the strange gallery. Game Features ・A mysterious adventure set it an art gallery full of puzzles to solve. ・Pieces of artwork beautifully crafted in pixel art. ・Basic controls consist of movement and an interact (speak) button, enjoyable by players of all levels. ・Seven different endings to unlock based on player actions and choices. ・Upon completion, you will be rewarded with the True Guertena exhibit, where you can collect the artwork found throughout the game and be able to visit an extra dungeon that you couldn’t access in your first playthrough.