They live.
Beings with their own needs, habits and memories, shaped by what happens to them.

THE FIRST ULTRA WORLDS / COMING SOON
Ultrasim builds Ultra Worlds: places where artificial beings are born, learn, remember and build. Nothing is scripted.
01 / LIFE INSIDE
Beings with their own needs, habits and memories, shaped by what happens to them.
Weather, seasons and scarce materials. Shelter, paths and villages emerge on their own.
Bodies change, skills develop, and every world writes its own history.
02 / SAME RULES. DIFFERENT STORIES.
Every Ultra World is persistent and unique: same rules, different stories. Villages, valleys and wild places run around the clock, whether or not anyone is watching.
Glimpses of worlds to come.

ULTRA WORLD 001
A forest lit from within.

ULTRA WORLD 002
Warm light. Open paths.

ULTRA WORLD 003
Long shadows. Unfamiliar forms.

ULTRA WORLD 004
Quiet valleys under a golden sky.

ULTRA WORLD 005
Small lives in a softer world.

ULTRA WORLD 006
A river of light. A sky without end.
03 / WHY IT’S DIFFERENT
Most AI worlds are chatbots in costumes. Ultra Worlds are physical: beings have bodies, the world has weather and consequences, and behaviour comes from experience, not from a script.
04 / FOLLOW ALONG
Get notified when the first worlds go live.
A first glimpse. A new place.
A world finding its own way.