Halo: Combat Evolved (also known as Halo) is a first-person shooter video game developed by Bungie and published by Microsoft Game Studios. 

 

Bent on humankind's extermination, a powerful fellowship of alien races known as the Covenant is wiping out the Earth's fledgling interstellar empire. You and the other surviving defenders of a devastated colony-world make a desperate attempt to lure the alien fleet away from Earth. Shot down and marooned on the ancient ring-world Halo, you begin a guerrilla war against the Covenant. Fight for humanity against an alien onslaught as you race to uncover the mysteries of Halo.

 

Publisher: Microsoft Games

Operating systems: Windows Me, Windows 98, Windows 2000, Windows XP

Additional requirements: Windows 98/Me/2000/XP, DirectX 9 drivers