Nice! I like what you did for your first game! Feels great finishing your first game, isn't it? :D
The game gets a bit dull after a while, but the basic concept is solid and fun. I think more "thoughts" and a more changes on your character would make it a bit more engaging.
Oh and another thing: I think the penalty for getting a thought wrong is a bit too harsh. It feels a bit too punishing to lose a whole level every time you get something wrong.
Would be cool if you could check out my game and provide some feedback :)
https://yapsinho.itch.io/me-myself-and-the-space-time-continuum