Gives you marines to fight on your side (two kinds) and two new (nasty) weapons.
Adds a MS Windows logo on the breast of your bobs. Kind of hard to see, especially when you're trying to kill someone.
Never played it, but might be fun with 2 or 3 players.
Just what it says. That last corner is a doozy!
Kill that nasty dinosaur! Work out those agressions!
Dark.
Lets you edit (and create) physics models for Marathon.
Lets you convert Doom and Doom II WADs to a form Marathon can use.
Textures that feel like star trek the next generation.
More of that Alien feel.
