I just tested the game and here's my opinion:
-Positive points: I really like the combat in the game in general, the animations are stylish, the enemies each have a specific pattern, and the character's attacks are fun to use. I also like the scenery, although it could be more varied, with the addition of water or other elements to distinguish each room. The fact that there are hidden rooms in certain places is a real plus.
Negative points: I don't know if this is already planned, but I think it would be more interesting to obtain items during the run rather than at the shop at the beginning, as this would make each one more unique. The second problem I had was the fact that you have to defeat all the enemies to move on to the next room. which doesn't add anything interesting, and having to replay the level backwards to defeat an enemy you forgot is annoying. Instead, you could put doors that don't open until you've defeated the enemies in certain places (like a gauntlet), or give rewards when you defeat enemies.
All in all, it's a really fun game and I can't wait to see future updates!
