4 Massively Multiplayer · Programming games your group can play together online, including Adventure Land - The Code MMORPG, Grey Hack, and Screeps: World.
All games: 4
An eternal indie MMORPG where your CODE does the grinding. Play manually or automate up to 4 characters with JavaScript. Hunt rare loot, tackle a daily dungeon, and trade with real players. Start with working CODE and learn as you go. Your party keeps growing—no seasonal wipes.
Grey Hack is a massively multiplayer hacking simulator. You're a hacker with full freedom to act as you wish on a vast network of procedurally generated computers.
Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.
Onset is an open world Lua scripting sandbox without predefined goals. Choose from hundreds of Lua functions from our Developer Wiki to create your own scripts and gamemodes. Onset is a perfect starting point for beginners interested in learning how to program.