The PDA scanning the World in House of the Dead 4.

The AMS PDA is a mobile device developed by the AMS agency for its members. Introduced in The House of the Dead 4, it would be put to use again in The House of the Dead 4: Special and House of the Dead: Scarlet Dawn

As a gameplay mechanic, the PDA identifies branching paths and the weak points of bosses. In scripted cutscenes, it can also detect oncoming creatures, receive text messages, and self-destruct. 


The House of the Dead III


IIIs method of showing boss weakpoints.

While III gives no indication of whether the characters are using PDA's, an electronic device is shown on the side of the screen whenever a boss is encountered, acting as a scanner for weak points. This is not actually shown in the character's hands.

The House of the Dead 4 and Special

The PDA is depicted as a silver-and-black-colored device with numerous buttons, a joystick, and what appears to be a camera lens on the top right corner. It is equipped with a blinking red light when threats are detected. The word "AMS" is found below the screen.

While escaping the creature-infested European AMS headquarters, agent James Taylor introduced the PDA to newcomer Kate Green when they encounter a fork in their path. The PDA identified the left path as safer than the right; it is ultimately the player's decision on where to go.

James' PDA in 4.

The agents later encountered Justice, a massive four-armed creature in the AMS sewers. The PDA scanned Justice (and all further bosses), marking body parts as either "No Damage" or "Weak Point"; the latter, in this case, was Justice's tongue.

Finding the city in ruins, James received a message on his PDA from Caleb Goldman, the deceased financier of the DBR Corporation and Dr. Curien's financier. Goldman revealed his responsibility for the outbreak and that a nuclear missile launch would commence in an hour.

James and Kate raced to Goldman's headquarters, managing to halt the launch but faced with Goldman's final creation: The World. The PDA listed its weakpoint as "UNKNOWN". Realizing that the World kept growing when killed, James set his PDA to self-destruct and sacrificed himself in the resulting explosion, finally killing the creature.

In Special, the PDA functions the same. As with the World, it couldn't identify the Magician's weakpoints (though it's most likely from Kate's PDA, since G's would easily recognize the Magician's weakpoint).

Kate's PDA in Scarlet Dawn.

House of the Dead: Scarlet Dawn

The PDA's abilities are relatively unchanged. Its appearance is reminiscent of modern smartphones, featuring a large touchscreen. Kate and partner Ryan Taylor also have red and black cases, respectively. When encountering a revived Chariot, Kate uses the PDA's camera to identify its weakpoint. The PDA can also be used to unlock doors.


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