From LQWiki

http://www.lokigames.com/products/fakk2/

A Third-person shooter by Ritual Entertainment, somewhat reminiscent of Tomb Raider and its ilk, set in a distant future, on a faraway planet. Thirty years ago, a warrior named Julie led a small group of people to a distant, hidden paradise. But all is not well, as the colony begins to be overrun by strange mutant creatures.

This game seems to segfault at startup with newer versions of Zlib. This can be worked around by acquiring an older version (Such as the 1.1.4, which came with Debian Woody), and preloading it like so:

LD_PRELOAD=/path/to/libz.so.1.1.4 fakk2