Who's the Killer app icon
Mystery Solving Game

Who's the Killer?

A detective party game for 2 or more players. Each case hides a strange, seemingly impossible event — ask the right yes/no questions and uncover what really happened.

Find the Killer main menu
Case files list
A case and its solution
How it works

One host. One mystery. Endless questions.

01

Open a case

One player becomes the host and reads a strange case — only they know the real solution.

02

Ask yes / no

Everyone else asks yes-or-no questions, piecing together clues toward the truth.

03

Crack it

Reconstruct the hidden story and reveal the solution. Then move to the next case.

Why you'll love it

Built for game nights

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16 unique cases

Each one a clever, mind-bending mystery designed to spark debate.

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Fully offline

No internet, no extra equipment — one phone is all you need.

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2+ players

Perfect for friends, family, road trips and parties of any size.

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3 languages

Play in English, Turkish or Azerbaijani — switch anytime.

Ready to solve the first case?

Simple to learn, impossible to put down. Download free.