Absolute gem of a game and I'd buy a full release of this.
Real chill vibe that quickly becomes frantic and out of control when things heat up. The switching potions and trying to maximise your hits is a fantastic gameplay loop. The path choices at stage 5 add another cool dynamic to the game. The art is cool, the music vibes perfectly well with the game and it's just one of those games you can see yourself saying "well, one more run..."
The potential for the roguelike power ups is really good but right now they feel pretty inconsequential or truly amazing. So a run can be pretty lucky and get the right shop choices or be cursed with very poor options that don't add much.
Loved this game, good luck developing it further!