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 $5.2K — a different platform, not this one.

Seven Doors

In this first-person puzzle game, solve riddles, decipher secret languages and survive deadly traps in seven different atmospheres filled with mystery and enigma. Immerse yourself in unique environments: whether it’s a dark, antique baroque-inspired atmosphere or a giant chess game, no two rooms are the same. Test your puzzle-solving skills and find out what lies beyond the seventh door, that is, if you make it through all seven. - Explore seven enigmas behind seven different doors, each with their own unique atmosphere - Engage in approximately 2-3 hours of challenging puzzle-solving gameplay - Get engrossed in a rich soundtrack highly praised by reviewers - Discover even more secret enigmas after the seventh door in this newly, expanded version of the game