- Check points
- Slopes
- More themes (desert, snow)
- A lava and water "block" to add them to the other themes that can't have them now
- Angry Sun
- More enemies like charging Chuck and the dinosaurs from Super Mario World
- a graphical style that makes it look like you're playing on a gigantic gameboy screen
- ^ To go with that, maybe Super Mario Land 2 assets and enemies? It's the only 2D Mario game I have nostalgia for
- More bosses







