You'll Hate Thy Enemies

If you suck at shooters, then you may not love this, but the AI is significantly craftier than ever before. As opposed to the overly scripted punks in Resistance 2, the developers chose to increase the AI to the point that enemies plot their attacks around what you do as a player. Not only that, but stealth enemies have been upgraded as well. It makes shooting harder, but it also makes the game more fun. Think The Predator minus the Governator.