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Two detectives face a Cryptic Killer challenge, sharing clues across separate screens to crack codes and solve co-op puzzles.
Released 24 Nov 2022
Trade Clues Across Screens
Crack Killer's Codes
Draw on the Scene
A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.
Developed by Eleven Puzzles · Published by Eleven Puzzles








Play as detectives Ally and Old Dog in a prequel that begins when each receives a mysterious locked box connected to the Cryptic Killer. As new clues appear, the pair pursue the case and question whether the killer has returned or someone is copying their crimes.
This two-player point-and-click puzzle adventure gives each player a separate screen with different clues and parts of each challenge. Players must communicate, compare what they can see, and work together to solve riddles, crack codes, and get through escape-room-style situations.
The game moves through illustrated locations and a short sequence of puzzles, with its comic-style story presented alongside the investigation. Players can use an in-game notebook to draw or take notes on the scene; playing requires two copies, an internet connection, and voice communication.
In the supplied reviews, players often enjoy solving the puzzles with a friend, especially the need to share different clues and communicate to make progress. Reviewers also praise the comic-style artwork and find the short adventure a fun joint play session. Opinions on puzzle difficulty vary: some find the challenges satisfying, while others say certain clues are too obscure or the puzzles too simple. Its brief length is the most frequent disappointment.
IMPORTANT: "Unsolved Case" is a 2-player cooperative puzzle game that requires each player to have their own copy on either mobile, tablet, PC or Mac . Internet connection and voice communication are essential. Need a Player Two? Join our Discord community - find the link in the game details on the right!
Unsolved Case is the free, standalone prequel to the cooperative point-and-click puzzle game series 'Cryptic Killer'.
Dip your toes in and go back to where it all began as you team up as detective duo Old Dog and Ally against the Cryptic Killer. For the first time in the series, you'll encounter a labyrinth of puzzles and challenges laid by one of the most devious minds in the world. Solve puzzles, crack codes, and find a way out.
Do you have what it takes to crack the Unsolved Case of the Cryptic Killer? Crack the case during a focused playthrough of 30-60 minutes—perfect for a night of puzzle solving.
Years ago, the twisted Cryptic Killer was put away behind bars at the infamous Anagram Asylum. But today, he's back, and he's taunting the detectives. Did they catch the wrong guy, or are they looking at a copycat killer?
A new lead arrives in the form of a mysterious locked box, delivered directly to their addresses. Detectives Ally and Old Dog are once again sent on a chase that'll challenge them unlike any case before. Explore new locations, crack codes, and unravel the mystery. In this prequel, you're invited to step into the detectives' shoes and return to where it all began.
Two minds are better than one, and the only way you'll be able to crack the Cryptic Killer's codes is by working together. Through separate screens, you and your friend will each be given half of a puzzle at each location. Communicate, collaborate, and work together to push your puzzle-solving skills to the limit.
Full Game for Free
Get started as detectives Ally and Old Dog with this complete prequel game at no cost, providing a glimpse into the larger puzzle series.
30-60 Minutes of Puzzle Solving
Immerse yourself in an adventure filled with engaging puzzles, designed to be resolved within half an hour to an hour.
Two Player Co-Op
In Unsolved Case, the detectives are separated. You’ll see different items and clues than your partner and will be tested on your communication!
Challenging Collaborative Puzzles
Two brains are better than one when it comes to cracking the Cryptic Killer's codes.
Explore Illustrated World
Unsolved Case's hand-illustrated environments are inspired by noir novels.
Draw on… Everything!
You cannot solve a case without taking notes. At any time in the game, you can whip out a notebook and pen to make notes and scribble on your environment.
Hurry up, or risk losing more than just the case!



| Platforms | Windows, macOS |
|---|---|
| Achievements | 9 |
| Age ratings |
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| Players | 2 |
| Play modes |
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| Other modes |
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| Multiplayer | Unsolved Case is a 2-player online cooperative puzzle game. It requires two players, each with their own copy, separate screens, an internet connection, and voice communication. Players see different clues and must collaborate to progress. It supports cross-platform multiplayer across mobile, tablet, PC, and Mac. |
| Multiplayer & mods | No multiplayer mod support or mod-related multiplayer features are mentioned. |
| Controller required | No |
| Content notices |
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| Website | Official website |