Firstly great game with a cool mechanic but I would like to share my thoughts on some bugs and gameplay decisions you made during the project.
Firstly as stated in another comment: if you hit an enemy with great downwards velocity you phase trough them and die. I would suggest removing their damaging hitbox immidiately when you kill them.
secondly: in level 3 there is a part where you need to bounce on some enemies to get up, but when the enemies die you cannot continue, forcing you to kill yourself. I would suggest giving them unlimited HP or making an invincible second enemy type speciffically for platforming enemies.
and finally: if you get stuck in a block your downwards velocity keeps increasing, tbh this is rage enducing as the character plummets at 5 miles a second to their death.
I hope you continue developing and turn it into a full game. Maybe a metroidvania or something? For now im just gonna speedrun this alpha version (please add an end screen with a time I beg you as a speedrunner).
Also please add cyote time and jump buffering it would make the game way better.
