Metal Gear Wiki
Metal Gear Wiki

Metal Gear Acid 2 (rendered METAL GEAR AC!D² on the official logo, abbreviated MGA2) is a video game developed by Kojima Productions and published by Konami for the PlayStation Portable. It was directed by Shinta Nojiri and produced by Noriaki Okamura and Hideo Kojima. As a sequel to Metal Gear Acid, it establishes the Acid games as a separate franchise from the main Metal Gear series. Metal Gear Acid 2 uses the same turn-based strategy and trading card-based system as the original Metal Gear Acid. The presence of the superscripted "2" in the game's logo is a reference to the upgradeable card system which results in more than twice the number of cards in the original game. As in the first game, ACID stands for "Active Command Intelligence Duel."



  • A completely new cel-shaded graphic engine, replacing the darker graphics from the first game.
  • A new protagonist, known only as Snake, replaces Solid Snake, and his partner Teliko Friedman is replaced with a new character named Venus.
  • A tutorial mode for beginners.
  • Over 500 cards, more than twice the number of the original game, are available, including upgradeable cards.
  • Weapons used by the characters are displayed graphically when they're equipped.
  • A new mode entitled "Arena" allows players to battle boss characters from previous games such as Liquid Snake and Vamp using the Acid 2 card-battling system.
  • Players can now pick up items such as weapons and card packs by simply running over them, instead of having to end movement on top of the item.
  • The game comes with a PSP add-on called the SOLID EYE, which is a folding cardboard box with specialized lenses that fit over the PSP's screen, creating a stereoscopic image.
  • The overseas versions include ten new cards not included in the Japanese version, six of which are based on Metal Gear Solid 4: Guns of the Patriots (Old Snake, Otacon, Metal Gear Mk. II, Gekko, Solid Eye and No Smoking). The remaining four are fan made cards (an alternate Naked Snake card from Metal Gear Solid 3, a Banana Skin, Possessed Arm, and Emma's Parrot) which were selected in a Konami sponsored contest by four online publications (Game Informer, IGN, GameSpy, and
  • Solid Eye Theater with videos of the "famous" Japanese women seen on posters and magazines throughout the Metal Gear series and Metal Gear Solid 3: Snake Eater cutscenes that utilize the Solid Eye attachment.
  • Interconnectivity with Metal Gear Solid 3: Subsistence for the PS2 allowing users to take photos, then transfer and view them in 3D with the Solid Eye on their PSP.

Solid Eye[]

Main article: Solid Eye (hardware)

Metal Gear Acid 2 ships with a viewing device called the Solid Eye. The Solid Eye is a folding cardboard box that slides over the PSP, separating the image with a divider in the center. The entirety of Metal Gear Acid 2's game is playable with the Solid Eye, as well as without it. When switched into Solid Eye mode, the game displays two images on either side of the PSP screen. When used with the Solid Eye, the images overlap and produce a pop-out, 3D comic-like effect. The game and manual warn that using this device for extended periods of time may lead to eyestrain, and prolonged use is not recommended.

As more cards are collected, videos are unlocked in the Solid Eye Theater, available from the game's menu. These videos are only viewable as Solid Eye footage, and showcase videos of Japanese women as well as cutscenes from the Japanese version of Metal Gear Solid 3.

Subsistence connectivity[]

Metal Gear Acid 2 is capable of communicating with Metal Gear Solid 3: Subsistence. By connecting a PS2 to a PSP, it is possible to take photos in Subsistence and transfer them to a PSP for viewing in 3D with the Solid Eye. The manual that is included with the American version of the game is significantly thinned down, and as such, does not contain a specific guide on how to utilize this feature.

The manuals included in the European and Australian releases have been amended to include the Subsistence connectivity information.


Main article: SaintLogic Incident

SaintLogic Inc., an arms manufacturer whose corporate compound occupies an isolated North American island, is infiltrated by a lone man calling himself "Snake". Commanded by an FBI agent, his objective is to conduct a top-secret investigation of SL Inc. Initially seeming like a simple operation, an alarm sounds throughout the compound before Snake can complete his mission. With the United States Army now involved, SaintLogic Security having its own agenda, and a Metal Gear being activated, Snake faces his toughest mission yet...


Character English Voice Actor Japanese Voice Actor
Snake David Hayter Akio Ōtsuka
Venus Kathryn Fiore Rika Komatsu
Dalton N/A N/A
Wiseman N/A N/A
Thomas Koppelthorn N/A N/A
Rodzinski N/A N/A
B.B. N/A N/A
Lucinda Koppelthorn N/A N/A
Vince James C. Mathis III Mahito Ōba
Michiko Takiyama N/A N/A
Lucy N/A N/A
Harab Serap Peter Lurie Kazunari Tanaka
Golab Roger Rose Naoki Imamura
Chaigidiel Phil Proctor Naoki Tatsuta


Main article: Metal Gear Acid & Acid 2 Original Soundtrack

The game's soundtrack was composed by Akihiro Honda, Hiroshi Tanabe, Nobuko Toda, and Shuichi Kobori. The soundtrack was released along with the Metal Gear Acid soundtrack on December 21, 2005.







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