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Examine clues, question suspects and solve mystery cases with your AI adviser
The alibi sounds convincing. The evidence tells a different story. Detective AI is a detective game for people who love mystery stories and crime solving. Examine clues, question suspects and connect the evidence to build an accusation that holds up. Investigate at your own pace, with an optional AI adviser to help you think through the case. Follow the evidence Open a story case and uncover the truth behind art theft, a missing witness, cyber crime and more. Compare interviews with independent records, trace the timeline and spot contradictions. Record your theory in the detective's notebook, resolve a deduction and select the evidence that supports your accusation. Each authored case has a fixed solution and a closing explanation. Ask your AI adviser Use case chat to explore a lead, question an alibi or review what you have found. Create an AI mystery with your chosen category and difficulty. Your questions guide the investigation; the final deduction is yours. A daily mystery to unravel Take on the Daily Case, earn XP for a successful solve and build your detective record. Compare your results in the Daily rankings and follow your progress in the Detective Network. Investigate with Case Crew Join Quick Match or a private room for multiplayer mystery solving. Move around the station map, complete investigation tasks, repair sabotage and discuss the evidence before casting a sealed vote. Detectives work to close the case while a hidden Saboteur tries to mislead them. Two-player rounds are practice; ranked Crew play needs three to six detectives and eligibility for that day's case. Keep your case files My Cases saves your investigations on your device so you can return to an unfinished mystery. Review closed cases and share a solved case summary. Create your detective profile, check your record and exchange theories in the Lounge. Daily case discussion opens after you solve it. Choose your access Start with three complete authored cases, 20 shared AI requests and three Crew games per day. Optional Premium includes all eight authored cases, 120 shared AI requests and 15 Crew games per day, plus Detailed or Cinematic Solo AI replies and Expert AI mystery difficulty. Both plans allow up to three hints per case. One completed rewarded ad unlocks one hint for free players; Premium hints need no ad. Daily and AI mystery hints use a shared AI request. AI advice, online hints and AI case creation share one account-wide daily allowance. Daily limits reset at midnight UTC. Recurring subscriptions renew automatically unless canceled through Google Play. Google sign-in is required. Authored case records are in English; their evidence, interviews, notebook and accusation can be used offline after sign-in. AI features, Daily Case and Case Crew require an internet connection.