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Best teen young adult mysteries detective stories - July 2026

Last Updated - July 21, 2026

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Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Unsolved Case Files

Unsolved Case Files | Gardner, Avery - Active Murder Mystery Case - Can You Solve The Case?

Unsolved Case Files

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- SOLVE AN ACTIVE CASE - Unsolved Case Files puts you in the shoes of a detective tasked with solving a real time murder, using the investigators files and the detective’s notebook. Think you can find out who killed Avery Gardner and abducted her twin sister Zoey? Unsolved Case Files will let you find out once and for all whether you’re as good as the detectives on TV.
- SOLVE 3 MYSTERIES TO CRACK THE CASE - In order to solve this active murder mystery game you’ll need to find 3 separate clues. First find out who the accomplice is. Then identify the killer. And finally, save Detective Cullen. With 3 different mysteries to solve in order to play the game, this case will challenge your investigative abilities.
- PERFECT FOR INDIVIDUALS, COUPLES, GROUPS & PARTIES - Teen and adult murder mystery fans love the cerebral challenge. Couples looking to escape boring date nights are amazed with the interaction and teamwork that develops when you work together to solve this mystery. It's also the perfect adult mystery game to break out during your next dinner party or family get together. Treat yourself, your partner, your friends or your family to a game experience you can only get with Unsolved Case Files.
- ONLINE ANSWER KEYS - To get past each step of the case you’ll need to visit an online answer page that requires you to prove you cracked it. If you don’t have the answer right you can keep investigating without being spoiled by the right answers.
- DETECTIVE’S NOTEBOOK, PHOTOS, DOCUMENTS, AND MORE - This unsolved case file game includes the lead detective’s notebook, evidence photos, and documents for you to investigate including newspaper articles, crime scene photographs, business cards, an evidence report, phone records, a coroner’s report, map of the crime scene, and much more. Everything about this mystery game is fiction, but will feel just like you are a real detective.
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Unsolved Case Files

UNSOLVED CASE FILES | Falcone, Veronica - Cold Case Murder Mystery Game | Can You Solve The Crime?

Unsolved Case Files

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Main highlights
- SOLVE 3 MYSTERIES TO CRACK THE CASE - In order to solve this cold case murder mystery game you’ll need to find 3 separate clues that crack open the case. First reopen the case by proving Veronica didn't die the way investigators claimed. Then find the victim's body and finally identify the killer and close this case for good. With 3 different mysteries to solve in order to play the game, this case will challenge your investigative abilities.
- PERFECT FOR INDIVIDUALS, COUPLES, GROUPS & PARTIES - Teen and adult murder mystery fans love the cerebral challenge. Couples looking to escape boring date nights are amazed with the interaction and teamwork that develops when you work together to solve this mystery. It's also the perfect adult mystery game to break out on your next dinner party or family get together. Treat yourself, your partner, your friends or your family to a game experience you can only get with Unsolved Case Files.
- OVER 50 INVESTIGATION DOCUMENTS AND PHOTOS - This unsolved case file game includes over 50 evidence photos and documents for you to investigate including newspaper articles, crime scene photographs, police reports, town map, secret letters, legal documents, suspect interrogations, witness statements, character photographs and much more. Everything about this mystery game is fiction, but will feel just like you are a real cold-case detective.
- ONLINE ANSWER KEYS - To get past each step of the case you’ll need to visit an online answer page that requires you to prove you cracked it. If you don’t have the answer right you can keep investigating without being spoiled by the right answers.
- BE A COLD CASE DETECTIVE - Unsolved Case Files puts you in the shoes of a cold case detective tasked with solving a murder that happened decades ago with only the original investigator's case file. Think you can find out who really killed Veronica Falcone on August 26th, 1947? Unsolved Case Files will let you find out once and for all whether you’re as good as the detectives on TV.
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46% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LITTLE, BROWN
46% Off

The Inheritance Games

LITTLE, BROWN

(46% Off)

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(46% Off)
4
36% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LITTLE, BROWN
36% Off

The Naturals

LITTLE, BROWN

(36% Off)

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(36% Off)
5
Best Value
48% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Delacorte Press
48% Off

One of Us Is Lying

Delacorte Press

(48% Off)

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- One of Us Is Lying Hardcover – May 30, 2017
(48% Off)

Best teen young adult mysteries detective stories - July 2026

Unsolved Case Files | Gardner, Avery - Active Murder Mystery Case - Can You Solve The Case?

UNSOLVED CASE FILES | Falcone, Veronica - Cold Case Murder Mystery Game | Can You Solve The Crime?

The Inheritance Games

The Naturals

One of Us Is Lying

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