Really fun game, but is the demo meant to save between sessions? I found 5 stars and closed the game to take a break, but when I re-opened it all my progress was lost :c
ETA: I used the in-game save checkpoints and everything.
Sorry, the game doesn't have true save files right now. I'll add some messaging in the game to indicate this - I'd thought of it as a one-session demo and hadn't thought to advise players of that. Apologies for that surprise!
Edit - As of early December, the demo now has a proper savefile :)