Deadlock is currently undergoing playtests, but the game could have been quite different, with a Valve insider claiming it began life as a Half-Life spinoff.
On Aug. 25, renowned Valve insider and leaker Gabe Follower released a video about Half-Life 3 leaks. In its 18-minute runtime, he primarily discusses why he thinks Half-Life 3 is real but also claims that Deadlock was initially set in Half-Life‘s universe.