- Tycho 41 49
- Exalted Member
Instruction Manuals, Plot, and Walkthroughs
The instruction manuals are available as pdfs. They make for interesting reads.
> Marathon Instruction Manual
> Marathon 2: Durandal Instruction Manual
> Marathon Infinity Instruction Manual
A comprehensive summary of the plot, as well as all terminal messages, may be found on this site (scroll down the sidebar to the left to navigate by game/level).
If you get stuck, refer to the Marathon Spoiler Guide. You may also use this to find all the hidden areas. Alternatively (and only for Marathon 2), BerserkerBarage has created a very nice series of video walkthroughs, found here.
The Preferences Menu
Before starting the game, walk through the preferences menu. You'll probably want to change your control scheme to use the mouse to aim. Also, take a look at the keyboard layout - of particular importance is the Map key, which brings up a map of the area you have explored so far. While you're there, an old trick is to make caps lock your Run key, so you can toggle it instead of having to hold it down (note that Always Run is turned on by default).
Tips & Tricks
You can start playing at any level from the main menu. Hold ctrl + shift then start a new game, and you will be presented with a list of levels. Note, however, that you will only start with a couple clips for the magnum and your fists.
Hangbrain has written a very nice summary of gameplay tricks found here.
All the Marathon games have online play capabilities, including the Xbox Live version. There's likely to be a few people online at any given time, but for a more structured experience you should check out For Carnage Apply Within, which is a very active group that organizes matches.
[Edited on 03.04.2012 4:56 PM PST]