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Start world-building.
Jars turns your ideas into interactive 3D worlds where you're the director. Control everything instantly and watch your stories play out in real time—powered by AI agents controlling a 3D engine through a hybrid world model.
Join 200,000+ creators on our mobile app
Join 200,000+ creators on our mobile app
Your 3D sandboxwhere anything can happen
Directs camera angles, sets the stage, places objects, drives physics, and keeps the whole world coherent.
Current Plot
What happens next?
Brings your character to life—every move, reaction, and line of dialogue. Listens to the scene, adapts in real time.
Thinks independently. Improvises. Pushes the moment forward with unexpected choices that make the world feel alive.
Directs camera angles, sets the stage, places objects, drives physics, and keeps the whole world coherent.
Brings your character to life—every move, reaction, and line of dialogue. Listens to the scene, adapts in real time.
Thinks independently. Improvises. Pushes the moment forward with unexpected choices that make the world feel alive.
Current Plot
What happens next?
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fun!
fun!
