- Multilayer tilemaps ✅
- More scenery
- Scrolling background layers
- Infinite grid ✅
- Reintroduce player ✅
- Better worldgen
- Letterboxing ✅
- Brush refactoring
- Use bevy-ecs-tilemap when it works to integrate it
- Lazy chunk loading?
- L-system based world gen (or constraint based?)