The Community Express SDK allows Unity based games easy integration with Steam to bring your game to 20+ million players on PC.
The SDK is simple to integrate and allows your game to have Achievements working within a few hours along with Multi-player / Matchmaking within a week. Check out the included Pong sample which demonstrates the use of Achievements, Multiplayer, Leaderboards, Cloud Storage, and the Friends API.
The SDK covers the entire Steamworks API including: Friends, Groups / Clans, Achievements, Leaderboards, Matchmaking, Voice Chat, Cloud Storage, Downloadable Content and Dedicated Servers. All community APIs will be exposed with easy to use interfaces; no need to worry over DLL interfaces, binary c-structures, etc.
Requires Unity Pro