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After returning from a business trip overseas, prosecutor Miles Edgeworth enters his office to discover that something has been stolen... as well as a corpse! With his faithful (but slightly dimwitted) detective partner, Dick Gumshoe, as well as his own sharp mind, this is one criminal that will regret being so brash as to cross Prosecutor Edgeworth. The crime in Edgeworth's office is but one of the numerous murders that Edgeworth will have to solve throughout the game's five chapters.

In Ace Attorney Investigations, you become Phoenix Wright's prosecuting rival, Miles Edgeworth. Unlike previous Ace Attorney games, you do not take part in courtroom battles. Instead, Investigations plays like a classical 3rd-person adventure game, where you explore crime scenes, examine various areas and talk to people. Along the way, you store items and important information in your organizer; evidence can often be examined in 3D, where you can view the item from any angle and examine specific parts. Typically, each chapter consists of a number of investigation segments where you thoroughly explore a specific area, and between them you get to explain your findings to other people and shoot down their theories.

Some places in the investigated areas can be examined in an up-close, detailed view. This often allows you to "Deduce", i.e. point out a part of the examined object that contradicts your current evidence. The game also contains an "Argument"/"Rebuttal" system, identical to the cross-examination mechanic from previous Ace Attorney games. When someone provides their "Argument" to offer their theory of how the crime happened, you then proceed to deliver a "Rebuttal", where you ask them to elaborate on specific points, and present evidence that proves a specific part of their argument false.

Learning information in dialogues or exploring specific locations in crime scenes will make Edgeworth store an idea in his memory, under a "Logic" section. When enough ideas are formed, the player can link up related ideas up to gain a better understanding of the case and progress in the game.

Edgeworth has a "life bar" which takes a hit when the player connects the wrong pieces of logic, presents wrong evidence during rebuttals, or makes some other mistake. The life bar is refilled after successful completion of an investigation segment, but if it ever runs out, Edgeworth becomes unable to continue his investigation and the game is over.


Ace Attorney Investigations: Miles Edgeworth Nintendo DS Case 5 takes place at a foreign country's embassy.
Ace Attorney Investigations: Miles Edgeworth Nintendo DS We just got a new bit of Logic.
Ace Attorney Investigations: Miles Edgeworth Nintendo DS Connecting two pieces of Logic.
Ace Attorney Investigations: Miles Edgeworth Nintendo DS Attorney Calisto Yew isn't one for seriousness.

Promo Images

Ace Attorney Investigations: Miles Edgeworth Screenshot
Ace Attorney Investigations: Miles Edgeworth Wallpaper
Ace Attorney Investigations: Miles Edgeworth Wallpaper
Ace Attorney Investigations: Miles Edgeworth Wallpaper

Alternate Titles

  • "逆転検事" -- Japanese spelling
  • "Gyakuten Kenji" -- Japanese title
  • "AAI: ME" -- Common abbreviated title

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User Reviews

There are no reviews for this game.

Critic Reviews

GamersGlobal Nintendo DS Feb 23, 2010 8.5 out of 10 85
Official Nintendo Magazine Nintendo DS Feb 17, 2010 84 out of 100 84
Pocket Gamer UK Nintendo DS Feb 26, 2010 8 out of 10 80
GameSpy Nintendo DS Feb 17, 2010 4 Stars4 Stars4 Stars4 Stars4 Stars 80 Nintendo DS Feb 19, 2010 15 out of 20 75
SOS Gamers Nintendo DS May 25, 2010 75 out of 100 75
GameZone Nintendo DS Feb 17, 2010 7.5 out of 10 75
Meristation Nintendo DS Feb 16, 2010 7.5 out of 10 75 Nintendo DS Mar 03, 2010 60 out of 100 60
Gaming since 198x Nintendo DS Apr 29, 2010 3 out of 5 60


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Ace attorney Investigations: Miles Edgeworth 1 Vineet kansotia
Sep 17, 2012


References: Predecessors

Ace Attorney Investigations: Miles Edgeworth features many references to the previous games in the series.

There are a couple of cameos as well. Winston Payne, the persecutor from the first cases of all the other games; Sal Manella, the creator of the Steel Samurai; and Lotta Hart, the wannabe photo-journalist, make guest appearances. Phoenix Wright, Maya Fey and Pearl Fey also make a quick cameo.

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Contributed to by Ben K (23926) and Ms. Tea (7543)