But at the end of the game, Samuel Hayden, head UAC scientist and cyborg, betrays the Doom Slayer and chucks him into an alternate dimension that turns out to be Quake Champions. Eventually he defeats head Hell cultist and UAC scientist Olivia Pierce. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. He wakes up after everything has gone to Hell (literally) and kills his way to victory on Mars, yet again. One of them finds the Doom Slayer and brings him back. In an attempt to better understand and harness Argent energy, the UAC is sending expeditions into Hell. They have discovered Argent energy via portals to Hell (though they aren't telling anyone that last part because, presumably, humans in this game universe have read Faust or seen The Devil's Advocate). Mars has colonies again, and the UAC is running them. The second rebooted Doom has the same final boss as the original second Doom, but the Icon of Sin appeared in a few more times since 1994 and in this video y. When Doom 2016 starts, Earth is basically okay except for a pretty serious energy crisis. Here's where the timeline gets a pretty hardcore retcon (though there are some decent fan theories that suggest the original Doom universe is an alternate dimension or timeline than the Doom 2016 universe).

Icon of sin doom 3