Fun, nice graphics. Not as open-ended as I expected it to be. Weapon-modification system is somewhat useless, but cool.
The special abilities options I liked most. It gave you different ways to go through the levels, and gave each one re-playability. For example, one level you can go through turning on and off stealth mode behind cover, taking out your enemies one-by-one with your silencer attached, the next you can go in all guns ablazin' and punching your enemies to death with super-strength.
Great game over all.