Build, explore, and battle
Place blocks to build anything, explore 21 worlds with vehicles and tools, and play with friends. Pick a mode: Chill for calm, simple building, Explorer for big worlds and adventures, or Battle for fast, friendly 3v3 and 6v6 team matches against friends or bots.
How to play
On a computer, move with W, A, S, and D, jump with Space, build with E, break with Q, switch camera with V, rotate a block with X, and pick tools with 1 to 9. Press Esc for settings. On a phone or tablet, use the on-screen joystick and buttons.
Questions
Is Mini Block Builder free?
Yes. It is free to play in your web browser, with no download needed.
Can I play with friends?
Yes. Host a world and share its join code or invite link, and friends join from their own browser.
Does it work on phones and tablets?
Yes. Phones and tablets get touch controls, and computers use mouse and keyboard. You can also add it to your home screen.
What can I do in each mode?
Chill is a calm first block world for simple building. Explorer has big worlds, vehicles, tools, and adventures. Battle has fast, friendly 3v3 and 6v6 team matches.
Where are my worlds saved?
Your worlds are saved in your browser on your device.