Marathon set new standards for the genre, incorporating a rich narrative and free-look with the mouse.Īlmost 20 years later, the story of Doom and Marathon remains relevant. Meanwhile, in 1995, a then little-known developer called Bungie released Marathon, a groundbreaking first-person shooter developed solely for the Mac OS. id Software had just released the immensely popular Doom for PC, but Macintosh users would have to wait nearly two years before the title arrived on their platform. If you want to look at the history of the aging debate between the PC and Mac as gaming platforms, a good place to start is 1994.