Marathon, Marathon 2: Durandal, and Marathon Infinity are, to quote Hamish Sinclair, more than just excellent games for the Mac OS and Windows 95 (Marathon 2 only), they tell a 'story'. It is a complex story revealed in a novel way through a series of computer interface terminals. As you play you find that not all the terminals are easily found and even when found the text presented is sometimes difficult to interpret. Added to this is the fact that the story is not told in a linear fashion. The past and present are intermingled, a jigsaw of facts which need to be pieced together to form a cohesive story. . His page on the names of levels and their meanings includes some nice word and phrase origins. Aah, the variegated sources of information.