The Daily Deduction

One small mystery. One liar. Every morning.

What happened

The suspects

Who is lying?

Three of them are telling the truth — every single word. One is lying. Take your time; there is no clock here.

The rule of the game: if a suspect lies, their entire testimony is false. If they tell the truth, every word is fact.

Get the case in your inbox

One short email each morning — the day's mystery, nothing else. No spam, ever, and one click to stop.

Earlier this week

Yesterday's case, and the days before — free to replay.