Preview, by Kaleb Rutherford: "While fans may long to have a Metal Gear Solid 2 style of game, by switching to the Strategy genre, new players will be introduced to the franchise and a new lineup of Metal Gear titles could emerge on other platforms too."

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Review, by Raymond M. Padilla: "At best, Acid is a really fun time for a very small percentage of gamers. At worst, it's a good game that a lot of people will find boring." [Score: 3.5 out of 5]

Preview, by TR: "Make sure you have your hands on a copy when the new PSP is released, otherwise, you will very much regret not having it." [Anticipation: 9 out of 10]

Preview, by Chris Reiter: "Whether this succeeds or flops here in America, one thing is still for certain. Metal Gear Acid has the attention of PSP onlookers, and Konami wants to keep it that way."

Review, by midwinter: "The majority of games simply aren't this good. It stands aside from the crowd and you'd be crazy to miss it." [Score: 9 out of 10]

Preview, by Nix: "Japanese audiences have cautiously opened up to this bold Metal Gear experiment for some encouraging sales results that have grown as more of the sought-after PSPs reach the market."