BLOX — Free 3D Building Game in Your Browser
BLOX is a free online 3D building game that runs entirely in your web browser — no download, no install — just a free account.
Place and paint colorful voxel blocks, collect block skins, and tackle daily & weekly building challenges.
Play instantly at bloxbuilder.io.
How to Play
Click or tap to place blocks in a 3D grid world. Choose from cube, slab, slope, pyramid, and pillar shapes.
Paint any block with custom colors. Build anything — houses, castles, vehicles, animals, pixel art, entire landscapes.
Rotate the camera with your mouse or finger. Zoom in to detail your creation or out to admire the full build.
Features
- Free 3D sandbox builder — unlimited building in an open grid world
- Daily & weekly challenges — themed building contests with Bits rewards
- Block skins — collect and apply wood, stone, brick, metal, sand, grass, and more
- Terrain skins — paint your build plate in grass, sand, snow, stone, brick and more
- Custom colors — full color picker for every block and skin
- Bits economy — earn in-game currency by completing challenges
- Save & share — sign in to save builds and continue on any device
- Works on desktop and mobile — touch controls, responsive layout
- No download — runs in any modern browser with WebGL
Who Is BLOX For?
BLOX is great for voxel art lovers, kids who enjoy creative games, and anyone who wants a
quick, relaxing building session in the browser. Create a free account and start building in seconds.
Please enable JavaScript to play BLOX. bloxbuilder.io