Craft World Block Crazy 3D is a free-to-play open-world building game. In this game, players can freely explore the vast world, collect resources, craft tools and items, and build their own structures. The game has multiple game modes, including single-player mode, multiplayer mode, and survival mode. Craft World Block Crazy 3D has simple pixel graphics but still provides an enjoyable and engaging gaming experience. The game has a lot of content to explore, and players can spend hours building their own world.