Metal Gear Solid Portable Ops + preview at 1up.

"Here's how you can tell Metal Gear Portable Ops is a real Metal Gear game, even though it was designed for a portable system: Konami's double-dipping with it. Portable Ops Plus isn't quite the same as MGS2's Substance and MGS3's Subsistence, though; it's really more of an expansion pack along the lines of MGS's VR Missions, and it's priced accordingly."

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