About This Launch
Receive a new mystery case, examine the clues, question the evidence and try to solve it before the truth is revealed. The Unsolved Envelope is a subscription experience for mystery fans who enjoy puzzles, suspense and unexpected twists.
Why I Built This
I wanted to create an affordable ongoing mystery experience that gives people something intriguing to anticipate and lets them become the detective from home.
Launch Details
CategoryEntertainment
StageLive
ListedSeptember 14, 2026