MADBLOX: A FREE Virtual World-Building Game with Avatar Chat, 3D Environments, and Physics

Sign Up and Play

Step 1 of 2: Create Account

Provide your age-group

This will help us to customize your experience. Users under 13 years will only be shown pre-approved images.

Under 13 years
13 years or older

Choose a name for your MADBLOX character

Use 3-20 alphanumeric characters: A-Z, a-z, 0-9, no spaces

Character Name:

Choose your MADBLOX password

4-10 characters, no spaces

Password:

Confirm Password:

Choose your chat mode

All in-game chat is subject to profanity filtering and moderation. For enhanced chat safety, choose SuperSafe Chat; only chat from pre-approved menus will be shown to you.

Safe Chat
SuperSafe Chat

Already Registered?

If you just need to login, go to the Login page.

If you have already registered but you still need to download the game installer, go directly to download.

Terms & Conditions

Registration does not provide any guarantees of service. See our Terms of Service and Licensing Agreement for details.

MADBLOX will not share your email address with 3rd parties. See our Privacy Policy for details.