Unlock 250: Philadelphia Monthly Riddles
Philadelphia, PA
Monthly riddle-led landmark hunts across Philadelphia during 2026.
Dates TBA — check the official site.
About Unlock 250: Philadelphia Monthly Riddles
Monthly riddle-led landmark hunts across Philadelphia during 2026.
How to finish
- Solve clues to a historic city landmark; follow the organizer’s location-based completion instructions.
- Puzzle-envelope completion
Reward
- Merchandise
- Organizer puzzle-envelope rewards and bonus drawing opportunities