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

Please wait for the new update, as it will fix anti-cheat and more!

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Choose a name for your NOSTRO character

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

Character Name:

Choose your NOSTRO password

Passwords must be at least 8 characters

Password:

Confirm Password:

Provide your email address

This will allow you to recover a lost password

Your Email:

Provide a NOSTRO invite key

Enter the invite key that your friend, an administrator, or someone else gave to you. A valid invite key is required, and can only be used once

Invite Key:

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.

NOSTRO will not share your email address with 3rd parties.

Privacy Policy | Discord

NOSTRO, "Online Building Toy", characters, logos, names, and all related indicia are trademarks of nolanwhy, ©2025. Patents pending.
NOSTRO is not sponsored, authorized or endorsed by any producer of plastic building bricks, including The LEGO Group, MEGA Brands, and K'Nex,
and no resemblance to the products of these companies is intended.
Use of this site signifies your acceptance of the Terms and Conditions.
Most assets on this site are owned by the ROBLOX Corporation. This site is not affiliated with them or any of its partners.

Made with ❤️ by nolanwhy
Where does this source code come from?

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Terms & Conditions

NOSTRO's source code