A short but sweet game. The puzzles flow well and interesting elements are introduced as you go through the game.
One thing I'll point out is that if you solve the puzzle but die, once you respawn, you can go directly into the gate as if the level was completed, despite the reset.
I really like the choice of having bars to the sides to show the text. It really fits with the game and sits nicely for both storytelling and introduction of new mechanics.
It'd be interesting to see possible expansions you could do in the future. The possibility of, for example, being able to control more intense version of certain emotions could open doors to even more mechanics. This game is definitely a strong base for something bigger, if you were to ever be interested in that.
Cool game!