Killdoku
Detective Deduction Puzzles
Free
Reconstruct every scene, follow the clues, test your theories, and name the murderer across hundreds of logic cases.
Every room tells a story.
Killdoku is a detective logic game where every clue matters. Place each person in the correct position, reconstruct the scene, and use pure deduction to determine who committed the murder.
Investigate 480 carefully designed and validated cases across 14 distinctive dossiers. Four difficulty levels—from Easy to Extreme—let you choose between a quick deduction and a demanding 12×12 investigation.
Features:
- 480 cases: 120 Easy, 120 Medium, 120 Hard, and 120 Extreme
- 14 distinctive detective dossiers
- Progressive hints based on your current board
- Theory Mode for safely testing a line of reasoning
- Daily Case with a local archive
- Local progress, statistics, and multiple in-progress cases
- Dutch and English
- High-contrast, large-text, Reduce Motion, coordinate, and high-visibility mark options
- No ads, no account, and no in-app purchases
Can you follow the clues, reconstruct the scene, and identify the murderer?
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The developer, Ted Maertzdorf, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ted Maertzdorf
- Size
- 176.5 MB
- Category
- Puzzle
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Mature or Suggestive Themes
Alcohol, Tobacco, Drug Use or References
- Copyright
- © 2026 Ted Maertzdorf