Type in these codes one letter at a time during the game to cheat: In order to survive, not only do you have to make it through the first 27 blood-splattered levels of Doom, you also have to get through nine more incredibly tough expert levels in the all-new episode 'Thy Flesh Consumed.'

Your mission is to locate more substantial firepower, blow your way through an onslaught of undead marines and mutant demons from hell, and navigate yourself off a radioactive moon base. You're a space marine armed with a mere pistol. NOTE: This game has a native Windows version but it is recommended to use a third-party source port (see the links section below). The shareware version contains the entire first episode of the game, Knee-Deep in the Dead. For every sale we receive a small fee from the download store which helps us to keep this free website alive. If you buy a game you don't only get the full version game, you also support DOS Games Archive. You can download the full version of DOOM from the download store listed below. We recommend to use Google Chrome when playing DOS games online. You can play DOOM on this website so you don't need to download and install the game on your computer.

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