
Someone is dead. Their phone is still unlocked. Read the messages, question the suspects, tap the details that matter, and name the killer yourself.
A detective game for Android, played entirely inside a phone. Six cases now, a new Daily Cold File every day.
Get it on Google PlaySupport & FAQ
How you investigate
- Chat with suspectsEvery character has their own voice. Your replies change what they let slip.
- Present evidenceConfront a liar with the exact photo, log or message that breaks their story.
- Search crime scenesIllustrated, zoomable photos with details only a careful eye will find.
- Crack locked phonesWork out the passcode from clues hidden elsewhere.
- Pull the red stringPin clues to a corkboard and connect them.
- Name the killerFill in who, how, when and why. No multiple choice.
Season 1
Twelve cases. Six available now; six more planned roughly monthly, included for Season Pass owners. Case 01 is free in full, and the opening chapter of every case is free to play.

01. The Night FerryThe police say he slipped. His phone says otherwise.

02. The Last ExhibitThe night before the opening, the conservator found a lie in the paint.

03. Room 404The hotel swears she never checked in. Her phone says she never checked out.

04. Final Lap41,000 people watched him collapse live. Nobody was looking.

05. The Silent ChoirLetters in block capitals. Five notes nobody could read.

06. BlackoutForty floors went dark. One apartment kept counting.
Fair by design
No ads. No energy bars or timers. Hints are free and unlimited. No account and no sign-in. Everything runs on your phone, offline. Extra cases are one-time purchases through Google Play, and the Season Pass is a one-time purchase, not a subscription. The game text is in English.