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Real-time multiplayer 3D in your browser. Play with friends, build worlds in Mono Studio and dress your avatar from 40+ items in any color.
Sign in to play.
New accounts get a one-time 500-Shard welcome bonus.
By continuing you agree to the Terms, Privacy Policy and Community Guidelines.
It’s how other players see you in every world. Usernames are permanent.
A moderator banned this account. You can't play, chat or publish while the ban is active.
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Official Mono worlds and games made by players in Mono Studio.
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Build worlds and avatar items, test them, and publish them for everyone.
A simple 3D block editor: place, move, resize and color blocks, drop spawns, checkpoints, finish pads, kill bricks and moving platforms, test-play, then publish to Discover.
Sculpt a hat, face, back or accessory item from colored voxels or a primitive shape, set a price and sell it in the Avatar Shop. Buyers pay you in Shards.
Open Mono on a computer to create. The world editor and avatar item creator need a mouse and keyboard — you can still play everything people make right here.
How your worlds and avatar items are doing — and quick edits to their listings.
Spend Shards on 3D items. Equip what you own on your Avatar.
Tap an item you own to wear it — one per slot.
Find players by username, answer requests and join friends in game.
You sign in with Google, so your password and email are managed by your Google account.
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Report bugs, suggest features, show off your worlds and get help.
What changed in Mono, newest first.
Moderation tools for Mono. Every action here is enforced by the security rules.
Your own account is loaded below — set or grant Shards, give items, or find another player to manage.
Fixed stock with serial numbers. After it sells out (or the sale ends) owners can resell copies; 10% of each resale is removed as a Shard sink.
Create events for Home and the Events page: banner, start/end, linked game and an optional reward (Shards, an item or an event badge) with a claim cap.
Feature, unfeature or delete from any game page; delete community items from the Avatar Shop.
Delete any DM or in-game chat message with its ×. Pin, lock, set bug status or delete from any thread.
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Pick a template — every one is fully editable, with example scripts you can learn from.
Shortcuts pause while you’re typing in a field or the script editor.