A beautiful puzzle to celebrate Christmas.
30:50
One of the best anti-knight puzzles I've ever solved.
47:02
A puzzle designed for scanning.
45:06
With Boughs of Holly
30:36
Student Spotlight: get out of jail if you can!
26:56
Unusual grid leads to great deductions!
1:20:54
Six connected puzzles: Spelunking into a foggy mine.
49:10
This messed with my brain (but in a good way).
40:13