Remix for developers
Developer Docs
Everything you need to build, publish and run a game on Remix: the SDK, leaderboards, achievements, cloud saves, the CLI and the HTTP API.
Start Here
QuickstartGo from a blank page to a game that boots, scores and restarts on Remix, then publish it.SDK OverviewThe Remix SDK handshake, the three calls every game makes, and the optional calls worth using.PublishingWhat happens to an upload before it goes live, how versions and launches work, and how to keep the checks green.
Platform Features
Declared once in your project, served by the platform on every surface a game runs.
LeaderboardsDeclare a best-score or fastest-time board, submit records with the SDK, and read the standings.AchievementsDeclare a handful of achievements and unlock them from your game when the player earns one.Cloud SavesNamed save slots for games that need more than one document per player, synced across devices with conflict detection.MultiplayerTurn-based challenges through shared game state, and realtime rooms for live play with invites owned by the platform.PurchasesSelling in-game items through the platform, checking ownership, and gating rewards correctly.