In Doom 3 BFG there are the same two cabinets as in the original Doom 3 which can only be opened by a code from martianbuddy.com. This website just redirects to bethesda now and the code cannot be obtained.
The company also sends out promotional storage cabinets loaded with "useful things we think you'll need." Throughout the game, players will encounter two Martian Buddy storage lockers. Players had to go to the Martian Buddy website (the address, www.martianbuddy.com, is currently offline; the domain now redirects to Bethesda's website) to get the combination for the two Martian Buddy storage lockers[1]. In the BFG Edition of Doom 3, the codes are instead found on Jonathan Moses's PDA, hidden as the sender's name in the Martian Buddy email. Both Martian Buddy storage lockers are the only two lockers in the game to have a code longer than 3 digits.
In the expansion Resurrection of Evil, the level Phobos Labs - Sector 2: Molecular Research contains the arcade game Martian Buddy Blaster, a point-and-shoot minigame where the player has to shoot asteroids (with a weapon that looks like the classic BFG) to protect themselves and collect the Martianbuddies. Successfully completing the game gives the player a link to a subpage on the martianbuddy.com website, where the player could find the code to a Martian Buddy cabinet[2] found in the level Phobos Labs - Revisited: Teleportation. The subpage also contained a hint about a BFG 9000 hidden in the same level. This game was replaced with a copy of Super Turbo Turkey Puncher 3 in Doom 3: BFG Edition and has thus far remained missing from subsequent versions of the game.
I didn't mind it so much, but why didn't they just create a pseudo website for the guis? Just three or four options where one of them is martianbuddy.com. This would send you hunting for computers in the level rather than being pulled out of the experience.
Playing through DooM 3 the first time, and a little into it, I found a PDA with a website martianbuddy.com for pharmaceuticals on Mars. Well, I typed it into a browser, and it redirected me to The Slayers Club main page. I don't know if this was already discovered, but I thought it was pretty funny.
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