Hello,
This is game is super fun to play and really well made. Just love the aesthetics of the game and the overall concept. Everything about the game feels good which makes this game quite minimal and relaxing. However, there are a few things you need to fix as these factors tend to ruin up the feel of the game. For example, introduce Coyote tie and Buffer time for the jump so that the player doesn't slip through the edges, instead, the player gets a slight time to still jump to the other platform. Also, as the player is allowed to move in the z-direction, it becomes harder to detect whether the player is in the path of the enemy or not, so take care of that too. you can also implement particle effects to bump up the feel of the game.