![]() Like in Steamworks, to handle the results of async operations, Galaxy uses a concept of callbacks and listeners. Using “Steam Encrypted App Ticket” (request acquiring ticket using Steamworks first).Īs mentioned previously, authentication failure should not limit the ability of a player to play offline. Using the GOG GALAXY client to log in (this is the default way), There are two ways to authenticate a user: For this, the IUser::SignInGalaxy() method is provided in the GOG GALAXY SDK. Unlike Steamworks, which relies on the Steam client to authenticate a user, the GOG GALAXY SDK requires a user to be authenticated explicitly. Speaking of user authentication: for online features to be available, a user has to be authenticated against GOG backend services. For more, please see the articles on authorization in GOG GALAXY and authenticating using Steam credentials. Therefore, all Steam methods related to DRM (user authentication in particular) are of no use on GOG. achievements functionality should be available no matter if the user is online or offline (as long as the GOG GALAXY client is installed and the user is logged in to it). Of course, online-only features such as multiplayer, retrieving friends or leaderboards cannot be available when the user is offline, yet all other aspects of the game should not be affected, e.g. GOG’s “DRM-Free” philosophy means that games released on GOG can’t have any DRM/copy protection and should work in all possible scenarios, regardless of the result of GOG GALAXY authentication, GOG GALAXY client presence or Internet connection availability. Here, you will find a list of items that need your attention when trying to adapt an existing Steam build to the GOG environment. ![]() Please leave your feedback regarding Steam Wrapper as it's extremly important and helps us improve this project. ![]() We want to make this transition as smooth as possible, and although there are differences between the two platforms, you can use our Steam SDK Wrapper (Beta) to implement additional features on GOG in a matter of minutes. Lobby Management In Game: Examples of ImplementationĬhances are you already have your game prepared for Valve’s Steam platform. Lobby Management in Main Menu: Examples of Implementation Lobby Browsing: Examples of Implementation Lobby Creation: Examples of Implementation Stats and Achievements: Example of Implementation Importing Achievements Using the Steam VDF File User Authentication Based On Other ServicesĪuthorizing GOG GALAXY Users in Third-Party Services Preparing Depots for macOS Application Bundle Our Recommendations for macOS Game Structure Achievements, Leaderboards and Statistics
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