My goodness, this is, just, wow. Really fantastic job, it's such a clever idea and just about perfect execution. Honestly, the only gripe is the sound fx and lack of music, the sfx are pretty harsh on the ears and a soundtrack would be nice, but, seriously other than that, it's just so well done, I mean the way the game plays, the rate at which new mechanics are introduced, the growing complexity of the puzzles. Definitely one of the best titles I've played during any jam.
Oh and random thought, were you guys inspired by the movie Tenet at all? The whole reverse bullet thing sorta reminded me of the time travel stuff in that movie haha