DETECTIVE STORY

What Is Detective Story?

Detective Story is a free online mystery investigation game where you play as a private detective solving cases in a noir-inspired world. Examine crime scenes for clues, interview suspects with branching dialogue, and piece together evidence to identify the culprit, motive, and method behind each crime.

How It Works

• Investigate -- Click or tap hotspots at the crime scene to discover physical evidence and hidden clues.
• Interview -- Question suspects with dialogue choices that reveal (or conceal) critical information.
• Accuse -- When you've gathered enough evidence, select who did it, why, and how. Match all three to solve the case.

Each case features unique characters, storylines, and deductive puzzles. Cases increase in complexity from 3 suspects with clear evidence to intricate webs of alibis and red herrings.

Frequently Asked Questions

How many cases are there?

Detective Story features 6 cases of increasing complexity. Case 1 has 3 suspects with straightforward clues, while later cases introduce more suspects, red herrings, and interconnected evidence trails. Each case takes 10-20 minutes to investigate and solve.

Do I need to find all clues to solve a case?

No, but finding more evidence improves your score and makes the accusation easier. Some clues are critical for identifying the culprit, while others provide context or eliminate suspects. Your evidence percentage contributes to your detective rank.

Can I replay cases for a better score?

Yes! You can replay any solved case to find missed clues, try different dialogue choices, and improve your accuracy score. Your best result for each case is saved.

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Agatha Christie is the best-selling fiction writer of all time, with over 2 billion copies of her mystery novels sold.

Last updated: April 2026