Steam

It is not possible to dynamically switch from OSS Steam to OSS Epic Online Services without additional modifications, even though both share the same interfaces. While some features are missing entirely in one or the other, the problems are mainly caused by differences in the implementations of certain features. Scope of this post This post illustrates some differences between the OSS Steam and the OSS EOS. However, it is by no means a complete list of these differences. ...

Multiplayer games published on Steam often add their dedicated servers to a public Steam server list. This list is basically a backend service provided by Steam which can be queried in-game to browse and filter game servers and their state. When utilizing this server list, it may happen that dedicated servers for a game are up and running, but the Steam server list for this very game is empty. Cause of this might be, for example, a communication failure when updating the server list. ...