


A city. A case.
A sender you can’t trust.
A real-world mystery played across Leeds, through messages on your phone.
The first case is coming soon.



A city. A case.
A sender you can’t trust.
A real-world mystery played across Leeds, through messages on your phone.
The first case is coming soon.
What is Unknown Sender?
Unknown Sender is a location-based mystery game played across Leeds using your phone.
You’ll receive messages and follow clues through the city.
Work as a team to solve a live case.
Each experience lasts around 90–120 minutes and is designed for small groups.
Unknown Sender is a location-based mystery game played across Leeds using your phone.
You’ll receive messages and follow clues through the city.
Work as a team to solve a live case.
Each experience lasts around 90–120 minutes and is designed for small groups.
Launching in Leeds
The first case launches in Leeds city centre.
Additional locations and new cases will follow. Join the waitlist to be first to play.
Launching in Leeds
The first case launches in Leeds city centre.
Additional locations and new cases will follow. Join the waitlist to be first to play.
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