Engine · Runtime

Multiplayer

Sessions, sync, and presence built in. Real-time shared worlds with no netcode to write.

Real-time shared worlds with sessions, sync, and presence built in. Friends move through the same space together, in sync, with no netcode for you to write.

Shared in real time

Everyone sees the same world, updating live.

Presence and sessions

Know who is here and keep them together, out of the box.

No netcode to write

Sync comes with the engine, not as a project of its own.

Part of one engine

Describe it. Gessa builds it.

Worlds, games, agents, and simulations, built from the same engine, in your browser, in minutes.