If you are developing a game with and want to integrate Steam features like achievements , leaderboards , or cloud saves , you likely need to download and install the Steamworks.mfx extension.
The most reliable source is the Steamworks Object on ClickStore. steamworks.mfx download
☁️ : Sync player data across multiple devices. If you are developing a game with and
👤 : Access Steam usernames and profile pictures. or cloud saves