Host Your Own Server. Build Your Own Games.

Every multiplayer sandbox eventually asks the same question: who gets to run a world? On most platforms the answer is "the company" or "whoever can administer a Linux box and hand out IP addresses." Folly's answer is different: any player's universe can become a hub.

The shape of it

Folly is a graph of universes connected by portals, and there is no single center. The official hub is just the first node. When you host your own server, your games and worlds branch off your universe: you stand portals to them in your own world, and other players reach them the same way they reach anything in Folly — by walking through a doorway they can already see through. No IP to paste, no server list to climb. If what you've built is worth visiting, portals to it start appearing in other people's universes.

What you can do

• Host your own server. Your worlds run on your hardware (or wherever you like), joined to the wider universe through the portals you stand in your own. A door to your server feels exactly like any other door — players never see the seam.
• Create your own game modes. Folly's entire base game — the home universes, the hub, the games hanging off it — is built as mods on the same platform you get. There is no privileged first-party API: if we could build it, you can build it.
• Edit content live. Models, textures, maps, and game content are live-editable assets — push a change and every connected client updates mid-session. Building a game in Folly is an iterative, visual loop, not a compile-restart-rejoin cycle.
• Scale like the big servers do. Every match or world instance runs as its own isolated server, spawned on demand and torn down when it's done — the architecture the largest Minecraft networks built by hand is how Folly works out of the box.

Under the hood, briefly

Folly is a mod-first platform: a small server substrate discovers mods — folders on disk — each contributing game logic, state, and content. Clients never need updating to add gameplay; new games are new vocabulary, not new binaries. Player movement runs from the same simulation artifact on client and server, so prediction is exact. If you want the deep technical story, it's coming to the devlog — sign up below and you won't miss it.