Steam backend for Unreal Engine's Online Services (OSSv2), plus a Steam Datagram Relay transport for the net driver. Works in Play In Editor.
gamedev steam cpp steamworks unreal-engine online-service unreal-engine-plugin ue5 steamworks-sdk unreal-engine-5 ue5-plugin ossv2 steam-datagram-relay-network
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Updated
Sep 19, 2026 - C++