Interesting concept! I can see where you got the inspiration from (one step from eden) and I like how you turned it into a more traditional bullet hell.
Just a couple suggestions if you ever decide to expand:
- Bae's hit box seems to extend above the tiles, so bullets on the top row could still hit you on the middle row. Personally, I'd resize the hitbox to fit inside each tile instead.
- Speeding up player movement would make it feel more responsive, in my opinion.
- As a difficulty increase, some tiles could "break" and prevent movement on them, just like in OSFE.
But overall, this is a great start to a game!