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Deception IV: The Nightmare Princess cover art
  • Deception IV: The Nightmare Princess screenshot 1
  • Deception IV: The Nightmare Princess screenshot 2
  • Deception IV: The Nightmare Princess screenshot 3
  • Deception IV: The Nightmare Princess screenshot 4
PC

Deception IV: The Nightmare Princess PC Port: Deception-IV-NightmarePrincess-recomp

PlayStation 42015WindowsLinux21 stars on GitHubPlayable

Deception-IV-NightmarePrincess-recomp

Recomp · by rcostanza · github.com

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Cover art and game details from IGDB.

· Screenshot of the original game
Method
RecompThe original machine code translated automatically into C or C++, with tools like N64Recomp or ReXGlue.
Latest release
v0.1 ↗
GitHub stars
21
Last code change
12 Nov 2026
Last update
Nov 2026
AI use
AI-assistedThe project mentions using AI tools in its development.

Listing updated .

About Deception IV: The Nightmare Princess

The Nightmare Princess introduces the new character Valgyrie, who is able to set traps as well as directly attack enemies by kicking. The player can deal damage to an enemy by stomping on them after they have fallen to the ground, or kick them into traps. Modes The main feature of the game is called the Quest Mode, which features 100 new quests to complete. In it, the player plays as Valgyrie, and is able to obtain new traps and abilities. The game will also include an option titled Deception Studio, which allows players to create their own characters, enemies, and missions. Parts for Deception Studio can be acquired by playing Quest Mode.

Released
26 Mar 2015
Genre
Role-playing (RPG), Strategy, Tactical, Adventure
Developer
Koei Tecmo Games

About the original game, from IGDB ↗.

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