Crime & Mystery · by RunRiva
Crime & Mystery Trivia
Every mystery and motive, one swipe at a time.
Think you can crack any case? Crime & Mystery Trivia is the daily game for fans of detectives, thrillers, and whodunits — on the page and on the screen.
Free • In-app purchases • Ad-supported — with an ad-free option
What's inside
Small app, deep game
A new Daily Case, every day
Ten of the hardest questions, the same for everyone, refreshed at midnight. Build a streak and climb the global leaderboard.
3,700+ questions, five difficulties
From easy warm-ups to expert-level deep cuts — every question is calibrated and drawn from open, source-attributed knowledge of detective fiction, thrillers, and crime drama, on the page and on the screen.
44 awards to earn
Flawless cases, perfect streaks, difficulty mastery — a full case file of awards as you rise from Rookie to Master Detective.
Friends, challenges & leaderboards
Add friends, climb the global and friends-only leaderboards, and send head-to-head challenges — same ten questions, may the sharper eye win.
Made to be played daily
Clean, fast and dignified — on iPhone and Android.
Made with care
Every detail, engraved
From the cover art to the medals you earn — made for this app, never off-the-shelf.
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First Case -
Seasoned Investigator -
Master Sleuth -
Five Clean Cases -
Sixth Sense -
Year on the Force
The studio
More from RunRiva
Crime & Mystery Trivia is one of a growing shelf of single-subject quiz apps — see all our apps.