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