Puzzle Library

Intercept dissident communications.

Sail the seas and find hidden treasures.

Match volunteers to caches... trickier than it sounds.

Can you solve this NP-hard graph problem?

Help Marc Antony with his potluck.

A hypnotic journey through Ancient Greece.

A cipher for only the most dedicated.

Use the Golden Ratio to solve this puzzle.

An exercise in music theory.

A puzzle about an English music icon.

A journey through music.

Use your Calculus skills to solve this puzzle.

One must possess a virtuousic ability to solve this puzzle.

Descend through the depths of the underworld to solve this puzzle.