Codename Gordon and other games hidden on Steam

The Land of Obscusion: Home of the Obscure & Forgotten: Obscusion B-List: Forgotten Publishers, and the Interesting Games They Published

Black Mesa - Valve Developer Community

Codename:Gordon is hiding in the steam files, what is this : r/HalfLife

Portal 2, Half-Life Wiki

Codename Gordon and other games hidden on Steam

Steam Hidden Games – Please Insert CD

Black Mirror Bundle

Codename Gordon Gameplay HD (PC)

Pin on Steam

Let's Play Codename Gordon (Half-Life 2D) - Full Playthrough

Steam 20th Anniversary

Steam Community :: Guide :: Hidden game on Steam

Steam Community :: Codename Gordon