Metal Gear Solid Peace Walker

If you enjoyed MGS Ops, I would say you would most definitely enjoy Peace Walker as well, if not more. The game is built on a much better or stronger plot IMO. The bosses are a lot more challenging than MGS Ops. And there's plenty of extra missions to play and unlock weapons or what-not even if you're done with the main story. The controls are also much improved, you can choose over 3 different control types and see which style best suit you. What's more nana mizuki fans would be overjoyed, as she plays a significant role in the game as well.
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the downside to the game or reason I didn't give it a full 5 star is. There is a great lack of human bosses. And also I don't see why they disabled crawling. otherwise this game is pretty much perfect.

There is something for everyone in this game! If you want to stealth there is stealth; you want bullet spraying boss fights you have it. This game is so well done that you wonder how did they put that much stuff into a UMD. Definitely one of the best PSP games ever made.