- AbstractBoulderDashCrawler
- AbstractBoulderDashMineral
- AbstractBoulderDashPlayer
- Amoeba
- Boulder
- BoulderDashAutomaton
- BoulderDashBoard
- BoulderDashBoardImpl
- BoulderDashConsoleSpriteFactory
- BoulderDashPlayer
- BoulderDashPlayerFactory
- BoulderDashPlayerFactoryImpl
- BrickWall
- Butterfly
- Diamond
- Dirt
- ExpandingWall
- Firefly
- MagicWall
- Rockford
- SteelWall