This new trailer promotes this weekend's open beta of DOOM. Word is preloads start tomorrow: "We’re opening the gates of Hell to everyone! From April 15 through 17, take part in the DOOM Open Beta multiplayer event. No codes necessary. Like the Closed Beta, you’ll have access to Team Deathmatch and Warpath on the Heatwave and Infernal maps. Preload the Open Beta on April 12 so you’re ready to Fight Like Hell when the servers open. http://doom.com/en-us/beta."