I am glad that you tried it out, but about the bug that the player gets stuck at the end of stage 1, I can't recreate the bug, I just collect the memory crystal and the game moves on to a new stage after a "you win" animation?
Update: I think your issue is the same as the one that was described here by @madeofyogurts that players can fall off the world at the very right edge of one of the rooms in stage 1, if so, then as I replied there, it will be fixed in a few hours from when I make this post.
Thanks for playing!