Halo® is a sci-fi shooter that takes place on a mysterious alien ring-world. Packed with combat, Halo will have you battling on foot, in vehicles, inside and outdoors with Alien and Human weaponry. Your objective: to uncover Halo's horrible secrets and destroy mankind's sworn enemy, the Covenant.

Halo® 2 is the sequel to the highly successful and critically acclaimed Halo®: Combat Evolved. In Halo 2, the saga continues as Master Chief—a genetically enhanced super-soldier—is the only thing standing between the relentless Covenant and the destruction of all humankind.

• Huge weapon variety: Vanquish your enemies with a vast array of Human or Covenant weaponry ranging from the stealthy (semi-automatic pistols, Alien Needler guns) to the fierce (rocket launchers and assault rifles).
   

• Vehicle and foot-based action: Tackle missions anyway you choose-be it storming an enemy base or taking the wheel or gunnery position of a variety of powerful vehicles. Vehicles range from stolen Covenant flyers & hovercraft to Human buggies, tanks and more.
   

• Indoor and outdoor combat: Fight seamlessly in Halo's ultra-realistic indoor and outdoor environments as you hunt the Covenant in dozens of single player missions and multiplayer battles.
   

• Intense multiplayer shoot-outs: Form a team, choose a role, and fight cooperatively with your friends, battle it out 'Deathmatch' style via intense split screen combat or fight co-op with a friend through the single player missions.
   

• Incredible mission variety: Fight the Covenant in dozens of missions as you uncover the dark secrets of Halo. Among your many objectives - attack enemy outposts, raid underground labs for advanced technology, rescue fallen comrades, steal alien vehicles and weaponry and snipe enemy forces.
   

• Reality-bending special effects: Halo features the most advanced graphic system on the most advanced gaming platform in the world. Gunfire rips off the screen, explosions light up a living room, and environments blur the line between your couch and fantasy.
   

• Rich sci-fi experience: Halo transports gamers into a science fiction universe fresh out of a Hollywood movie. With a detailed twisting story-line, complex characters and cunning enemies Halo will fulfill every sci-fi enthusiasts dream.

Thanks for this game description goes to: Microsoft