Quake II: The Reckoning (Xatrix) Mission Pack.

You are part of an elite commando foce that must infiltrate a hostile alien
cite. Once inside, you must scour industrial landscapes, crawl through
waterways and air ducts, navigate treacherous canyons teeming with vicious
mutants, stow away on an alien spacecraft, and destroy the enemy's secret moon
base.

- 18 Arduous Levels to Conquer.
- Added Weapons.
- New Enemies.

This port installs the game.so file, but you still need the original data.

WWW: http://www.idsoftware.com/games/quake/quake2-reckoning/