Because you like Alyx Vance in Half-Life 2

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

A bureaucrat in the Land of the Dead, Manuel Calavera is a jaded, sarcastic loner who just might have a hidden heroic side. See them in Grim Fandango.

Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.

The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.

Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .

All who live know his name, and all who oppose him shall know Death. See them in Darksiders Series.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.