'Hidden In Plain Sight' developer claims Steam beta feature set to be released soon called "Remote Play Together", allowing local-multiplayer games to be played online with friends.

@adamspragg: Hidden in Plain Sight fans... BIG NEWS! 🚨🚨🚨 Steam is coming out with a new feature called "Remote Play Together", allowing local-multiplayer games to be played online! Only the host needs to own the game, and can invite remote friends to play online!