Had my eye on this for a little while and saw on special for another ~9hr 20min (mid night). It a puzzle solving reality bending game.
Perception is reality. In this mind-bending first-person puzzler, you escape a surreal dream world through solving impossible puzzles using the ambiguity of depth and perspective.
Do a quick YT search if your interred.
It was on the humble bundle last month (I paused)