Really nice game!
What i would suggest:
- Better Level Selection (Like GD)
- Options (Change Resolution, Toggle Fullscreen etc.)
- Character Icons for when you beat levels
- Maybe achievements
- If you toggle a certain setting in the options menu it loads the whole level instead of loading parts of it (Would burn my PC but still cool)
- More levels ofc.
- Patch notes In-Game
- Place to view every music piece
- Maybe a currency (Asking too much)
- Change Keybind for jump in the settings/options menu.
Thats it! Hope you see this.