A hidden case file locks the culprit and the clues up front — the AI cannot cheat.
4 detective(s) opened the file today · 0 solved it
Open today's caseThe culprit, the alibis and the clue logic are locked before your first chapter. The narrator does not know the solution: it can neither leak it nor rewrite it when you close in.
Fixed, verified cases — the same file for every detective. A new case joins the catalogue every day.
Deep within the fog-choked Briarwood Forest, Albion Lodge stands as a bastion of leather-bound tradition and whispered power. The air is heavy with the scent of old cedar, expensive tobacco, and the metallic tang of a coming storm. Beneath the polished surface of after-dinner cordiality, a viper's nest of ambition and desperation coils, ready to strike.
36 detective(s) · 3% solved it
Open the fileBeneath the oak-panelled elegance of the Watersmeet Hydropathic Hotel, a chill of polite hostility pervades the air. Here, the weight of Victorian tradition clashes with the cold allure of progress, as a secluded valley's fate hangs in the balance.
36 detective(s) · 0% solved it
Open the fileA fog-shrouded manor on All Hallows' Eve. Guests in grotesque masks dance under flickering pumpkin lanterns, their identities obscured. At midnight, they gather in the tower for a séance. When the candles are relit, the host is found dead, a silver dagger in his chest. The storm outside ensures no one has left, and everyone has an alibi for the stroke of twelve. But the clock is lying.
16 detective(s) · 0% solved it
Open the fileA fog-chilled evening in St. James's, where the clink of crystal decanters and the rustle of committee papers mask a lethal rivalry over a monumental defence contract.
37 detective(s) · 0% solved it
Open the fileA claustrophobic, procedural mystery set in an Art Deco waterworks lodge, where the hum of gauges underscores bitter debates over money and maintenance.
21 detective(s) · 14% solved it
Open the fileA sleek, isolated first-class lounge in a major European airport, stranded by a water outage. High-pressure corporate tension masks a locked-room mystery where reputation is the ultimate currency.
37 detective(s) · 3% solved it
Open the fileA razor-sharp thriller of manners set within the Agora, an elite private club where fortunes are minted and reputations shattered over whispered deals. Beneath the clink of crystal and the gleam of old money, a single misstep can be fatal. Here, a smile is a weapon, a confidence is currency, and admission is always paid in full.
59 detective(s) · 8% solved it
Open the fileCrisp mountain air and old-money boardrooms clash as a historic Alpine resort's expansion plan threatens to shatter fragile alliances and expose buried secrets.
64 detective(s) · 6% solved it
Open the filePolished corporate intrigue, notes of amber ale and old oak, conflict in ledgers and loyalties.
53 detective(s) · 4% solved it
Open the filePolished walnut desks and Turkish rugs mask the scent of betrayal in a 1950s Mayfair agency, where a gentleman's agreement curdles into a motive for murder.
609 detective(s) · 1% solved it
Open the filePolished concrete floors mirror the cold, amber glow of expensive whisky decanters, while the air hangs thick with the bitter taste of a shared dream soured by ambition and secret ledgers.
134 detective(s) · 1% solved it
Open the fileA fog-choked autumn evening at Chiltern Manor. The library and long gallery host the final, tense viewing of the legendary Hartington porcelain collection. Beneath the veneer of sherry and polite murmurs, financial ruin and bitter grudges simmer among the assembled dealers, collectors, and the widowed Lady Hartington.
117 detective(s) · 0% solved it
Open the fileA converted mill deep in the Pennine hills, where polished copper vats and oak barrels stand silent witness. The sweet scent of malt hangs in the air, now soured by the acrimony of a shared dream curdling over money and control.
86 detective(s) · 3% solved it
Open the fileGaslit intrigue and gilt-edged betrayal in a private hotel suite, where railway fortunes are decided over port and cigars.
211 detective(s) · 5% solved it
Open the fileFree to play, no signup. One accusation per case: weigh your evidence.