Marathon 2 funktioniert nicht

"Move fast, seize the initiative, wield superior firepower, dive into the melee, anticipate enemy movements, slaughter the defenseless, endure".  Welcome to Marathon 2: Durandal®, the second in the epic trilogy of first person shooter games that re-defined the genre.  Leading a rag-tag band of humans and guided by an insane AI, you are the last hope to stave off the Pfhor invasion.  Durandal, the only surviving artificial intelligence from the UESC Marathon, has kept you in stasis all this time.  Experience the pulse-pounding action as you once again defend humanity from the alien Pfhor.  Seventeen years have passed since you saved humanity from the Pfhor...  Security officer, you are dressed in active military uniform, complete with a Cyberhead helmet.  Your Cyberhead device is your interface to your surrounding environment".  "Being naked in space stinks. Lucky for you, Mr.  Different weapons are characterized with different dynamics.  It is unwise, for example, to use the rocket launcher in close combat".  Once more, you are called on to save humanity.  "Carnage is as easy as point and shoot.  BUNGIE™, MARATHON® and the Bungie and Marathon logos are either trademarks or registered trademarks of Bungie, Inc. , used with permission.