From their site: Many APIs for gaming: (1) With the Nonoba Multiplayer API, any Flash game developer can easily create a multiplayer flash game. (2) With the Highscores API, we want to encourage competition with our simple yet powerful API for highscores and rankings. (3) Achievements API - achievements are one-time awards that you can give to players whenever they reach a milestone or achieve something difficult within your game. (4) Save the game state with our Data API and we will make sure it's always accessible for your players, even if they play from another computer.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.