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Rating summary
About
The music stops. A few seconds later, a woman dies. Hundreds of people were watching, and nobody touched her.
What happened? The narrator knows. Play detective: ask your questions and you get yes, no or irrelevant, until you have the whole story.
How you solve a mystery
Every riddle is a short, dark story that doesn't add up. You type whatever you want to ask.
"Was she in the audience?" No.
"Was the show on a weekend night?" Irrelevant.
"Did the music stop when it was supposed to?" No.
The right questions uncover the facts. When you have them all, the case is solved: turn the card over and read what really happened.
No game master needed
These mystery riddles usually take a group, and someone who already knows the answer. Here the narrator is in the app, so you can play on your own, at your own pace. The narrator is an AI and needs an internet connection.
What's inside
• More than 120 riddles, over 60 of them free.
• Three free packs: The great classics, Modern lives, The telling detail.
• Four paid packs: The Odyssey, The Labours of Hercules, Into the Void, Below the Surface.
• A daily riddle from the free collection.
• 29 more free riddles in season: Halloween Night in October, Christmas Eve in December.
• Three difficulty levels, and art on both sides of every card.
• Favorites, progress saved on your phone, no account.
• English and French.
Play it with friends
Once a solution is unlocked, you can be the narrator. Read the story aloud, keep the answer to yourself and let the others ask. It makes an easy party game: one phone is enough.
What's free, what's paid
Free: the free packs, the seasonal packs and the daily riddle, with 12 questions a day on each riddle. Solve a riddle to read its solution. The only ad is a video you can choose to watch for extra questions, when one is available.
A pack: its 15 riddles, and their solutions straight away. The 12 questions a day still apply.
All of Post Mortem: every pack, current and future, every solution, no daily question limit and no ads.
Every purchase is one-time. There is no subscription.
Post Mortem is a mystery game of logic and deduction. Its situation puzzles, also known as lateral thinking puzzles or yes-or-no riddles, tell dark and sometimes macabre stories.
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What's New in Post Mortem
1.11.0
October 16, 2026
Two new packs of true stories: True Stories, free, and True Stories II. • A light theme that follows your phone, or pick it in Settings. • A quiet evening reminder for the riddle of the day. • Share a solved case as a challenge. • The narrator comes alive when he answers. • Progress, favorites and settings from every list, and lighter purchase windows.
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Subscriptions & In-App Purchases
$1.99
Below the Surface
15 underwater riddles and their solutions.






