THE CITY CASE
THE CASE IS OUT THERE.
The city is
the crime scene.
A crime investigation played across real locations. Examine the evidence, question witnesses, and expose the culprit.
- Runs in your browser
- Start whenever you want
- One purchase for the group
Your Briefing
From choosing a case to catching the culprit, the whole experience follows four simple steps.
Find the Scene
Follow the story to iconic Budapest locations. No app download needed – everything runs entirely in your mobile browser.
Uncover the Clues
Photograph the scene. Watch the crime-scene image load. Search 3 zoomed locations for the key clue hidden within.
Solve the Case
Watson, your AI detective partner, guides you if you're stuck. Catch the killer before the final scene.
Close the File
Compare theories, make your accusation, and unlock the ending shaped by your investigation.
The Detective's Arsenal
A city walk becomes a living investigation through interactive scenes, adaptive help, and decisions that matter.
Watson AI Partner
Not just hints, but a real-time synthetic detective partner. Watson analyzes your findings, answers questions about the case, and adapts to your progress using advanced generative technology.
Interactive Crime Scenes
Upload a photo of the real location and watch it transform into a digitally enhanced crime scene. Zoom into microscopic details to find physical evidence invisible to the naked eye.
Branching Narratives
Your choices carry weight. The interrogations you conduct and the evidence you prioritize lead to multiple distinct endings. Will justice be served, or will the killer escape?
"Tourists follow guides. Detectives follow clues. Experience Budapest like never before."
Ditch the crowded tour buses and boring guidebooks. Discover the city's hidden courtyards, iconic monuments, and secret alleys by stepping into a thrilling mystery. The streets are your game board.
Don't just visit the city—solve it.
Choose Your Case
Choose by mood, location, or difficulty. Play every case at your own pace and begin whenever your team is ready.
Dirty Secrets in Buda Castle
LOC: Buda Castle District // EST. TIME: 2-3 Hours // DIFFICULTY: Moderate
A respected historian is found dead near Matthias Church, hours before unveiling documents that could rewrite a celebrated chapter of the Castle District. Police call it an accident. His rain-soaked notebook, broken pen, and final route through sealed courtyards say otherwise.
EXPLORE THIS CASESaints Don’t Bleed
LOC: St. Stephen’s Basilica // EST. TIME: 2 Hours // DIFFICULTY: Hard
After closing time, a Basilica conservator reports a red drop running down the face of a marble saint. By morning, the conservator has vanished. A pair of gloves lies beneath the statue, the night recordings are missing, and nobody on duty admits entering the nave.
EXPLORE THIS CASEThe Beast of the City Park
LOC: City Park // EST. TIME: 2.5 Hours // DIFFICULTY: Moderate
A cyclist disappears during a night ride near Vajdahunyad Castle. An abandoned bicycle, a torn red scarf, and oversized claw-like tracks are all that remain. Three witnesses swear they heard the same growl, yet each describes a different beast.
EXPLORE THIS CASEDress Code: Death
LOC: Váci Street // EST. TIME: 1.5-2 Hours // DIFFICULTY: Moderate
Minutes before an invitation-only fashion event, an influential editor is found dead inside a locked showroom. A single pearl rests beside the body, the display window is cracked from within, and a black invitation carries no readable guest name.
EXPLORE THIS CASENo Honour in the House
LOC: Kossuth Square // EST. TIME: 2.5 Hours // DIFFICULTY: Hard
A senior parliamentary aide dies minutes before delivering evidence from inside the House. His document case is found open on a bench at Kossuth Square, one distinctive cufflink lies in the rain, and the most important files are missing. Every official named in his calendar has a flawless alibi.
EXPLORE THIS CASEThe Lady of Hárs Hill
LOC: Hárs Hill // RELEASE: COMING SOON // STATUS: CLASSIFIED
A new investigation is being prepared for Hárs Hill. The case file remains sealed—for now.
COMING SOONDetective's Handbook
Everything you need to know before opening your first case file.
No. Everything runs in your mobile browser. Just open the link and start.
Most teams complete a case in 90–150 minutes. You set your own pace.
One purchase covers your whole group. One phone is enough – or bring more for a better experience.
Watson, your AI detective partner, is always available for hints. You can also request a full solution if needed.
Absolutely. Some detectives prefer it that way.
Budapest is waiting. The case is open.
Pick your investigation, gather your team, and begin whenever you are ready.