Very creative take on the theme. The subject of quantum mechanics, and choosing to visualize it with a deer is original and somehow very fitting. 

In terms of game mechanics, i was a bit at a loss of what i was supposed to do with the qubits. Some more tutorialisation (for slow players like me) that introduces things more gradually might help that. I also died alot in the first level alone. Something you often see in tutorials of games, is when players get taught a new mechanic, they are tested by the game in a safe environment first, before testing them "for real" (such as having no enemies, or more room for error for the player). This lead to some frustration. Go easy on new players!

Despite this, i can see a lot of passion went into this, and there are alot of small touches in the details everywhere that show care. Nice work.

It's a bit hard to understand what's happening, but this is generally a well made stealth game!