Because you like Altair Ibn-La'Ahad in Assassin's Creed Series
They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.
A hardboiled 1940s detective, Cole Phelps is haunted by his past in World War II. See them in L.A. Noire.
An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.
Wei Shen is an undercover cop on a mission for justice (or at least vengeance). See them in Sleeping Dogs.
Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.
Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.
Driven by guilt and rage, Kratos is less a man and more an unstoppable avatar of anger and hate. See them in God of War.
He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.
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 super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.