World3 · an ugly.bot game

Mine a cube planet.Craft a ship.Leave.

An infinite universe of cube planets orbiting binary cube suns. Every world is a cube you walk all six sides of, with gravity following the face you’re on.

Play free →
No download · Works on your phone
A cube planet with grass, dirt and stone layers, orbited by a pair of cube suns.
Keep what you build

Your world is still there tomorrow.

Sign in and your planet, your ship and your character are saved. Get the app and they follow you onto your phone — same world, same character, wherever you left off.

Get Ugly
iOS · Android · macOS · Windows · Linux
  • Your character
    Build them once. They show up everywhere.
  • Your worlds
    Saved to your account, not to this device.
  • Your friends
    Invite them into the world you're standing in.
The pile

One guy. Too many games.

One login opens all of it

Also on your account: Ink · Fortune · Love · Fit · Style · Lingua · Meal · Press · Search · File
Ugly Pro

All of it. One price.

$5/ month
Start playing free →
Play as much as you want without paying. Upgrade from your account whenever one world stops being enough.
Unlimited worlds
Free gets you one. Pro stops counting.
Realms
A shared world your friends can drop into.
Your character
Every outfit, every look, across every game.
The whole pile
Every game and every app on the account.
Phone and desktop
The same save, wherever you pick it up.
How this gets built
One engineer, no investors, and every bill on screen. The games, the tools that make them and the mistakes along the way all get filmed.
Watch on YouTube
ugly.bot
One engineer. No investors. No sugarcoating.
© 2026 · ugly.bot