DOOM 1 was the one that made the genre. Originally released in 1993, id Software's hell-on-Mars game revolutionized PC gaming and then went on to make appearances on what seems like a billion different platforms. Well, make it a billion and one, because now Doom is available for download via Xbox Live Arcade. This Arcade version of the game stays mostly faithful to the original, and it holds up well after all these years.
Move around with [WASD]
Shoot with your [MOUSE]
Do you really need tips for this awesome legedery game? I don't think so