World Simulator
Experimental World Model

Play AI-Generated Worlds

Describe a world. Watch it come alive in real time, and step into it yourself. Your choices shape the story.

or explore worlds
LIVE WORLDS — BUILT BY PLAYERS
Camping Weekend
Beneath the City: Secrets of the Syndicate
Walking in Antarctica with Group of explorers
Witnessed
Sovereign Simulator
The Battle
Alexander’s Conquest
Muscle beach
world_sim> <cmd>query universe</cmd> universe { age: 13.8 billion years entropy: low → rising dimensions: 4 (3 space, 1 time) constants: tuned status: expanding energy_state: cooling life_detected: yes civilizations: 1+ anomalies: 7 (flagged for review)
Spider life
Corruption Town & the tavern of Debauchery and Lust
Ireland
my life design
Zopia
roblox
The Big Hit
Camping Weekend
Beneath the City: Secrets of the Syndicate
Walking in Antarctica with Group of explorers
Witnessed
Sovereign Simulator
The Battle
Alexander’s Conquest
Muscle beach
world_sim> <cmd>query universe</cmd> universe { age: 13.8 billion years entropy: low → rising dimensions: 4 (3 space, 1 time) constants: tuned status: expanding energy_state: cooling life_detected: yes civilizations: 1+ anomalies: 7 (flagged for review)
Spider life
Corruption Town & the tavern of Debauchery and Lust
Ireland
my life design
Zopia
roblox
The Big Hit