James Earl Cash (Manhunt)
Manhunt is about straight up murder and finding horrifying ways to kill people for the best possible score combo. Cash, the main character in this banned-in-many-places game, is a manifestation of everything horrifying and scary that goes bump in the night. Whether he takes out his victims by bashing their heads in with a hammer or shooting them in the balls, he only gets a passing reference to heroism because the player controls his actions, making his "success" the goal of the quest at hand. The juxtaposition of heroism and Manhunt's gameplay is a terrifying split, but James Earl Cash earns antihero status by simply showing up.
Alex Mercer (Prototype)
Infected by a powerful virus, Alex Mercer wakes up in a morgue with no memory of his past. His quest is simple: find out what happened. But the actions he undertakes to get answers put him into a special, diabolical category. The number of pedestrians standing between Alex and the truth is huge. He will stop at nothing to get to the bottom of things, and sometimes that means tearing an innocent civilian in half or otherwise running around the city and up walls with one clasped under his arm – which won't end well.
Conker (Conker's Bad Fur Day)
Everyone's favorite boozy squirrel doesn't care about saving the world. He cares about his saucy girlfriend, Berri. So when she disappears, the foul-mouthed, alcoholic squirrel only cares about getting her back – and he's no hero. Almost everything about Conker's appearance is offensive, from his vulgarity to the violence throughout the game. As long as he gets his squeeze back, he's cool – at least that's the goal. But he's not your average hero.
The Mercenaries (Mercenaries)
As mercenaries for hire, Mattias, Jennifer, and Chris fall into a category of neutral morality, simply pulling off whichever job pays them the highest. Fortunately, the jobs that pay the highest in the Mercenaries game franchise have them taking out some high-profile targets that would otherwise threaten the entire world. However, this is of little consequence to the Mercenaries team, who make it their sole ambition to rack up destruction and earn their pay.
Of course, being a thief will put you on shaky ground from an ethical standpoint right from the get go, but what makes Garrett such a compelling anti-hero is his amazing abilities. He's an unwitting pawn in a lot of the major events that he gets wrapped up in, simply wanting to continue his thievery in peace without outside interference. However, he always manages to do the right thing, saving the world as we know it more than a few times. He has his own code of ethics that he adheres to, only killing when absolutely necessary, which belies his cold and calculating demeanor. Garrett is a true badass and anti-hero, combining a ruthless exterior with an unshakeable sense of honor.