Johannes
  • Member for 7 years, 1 month
  • Last seen more than a month ago
7 answers
8 votes
2k views
1 bookmarks
Mr. Gardner's dessert
2 answers
11 votes
332 views
Holo-puzzle (2)
1 answers
5 votes
304 views
2 bookmarks
Holo-puzzle (1)
2 answers
8 votes
271 views
Autonumerograms
4 answers
11 votes
629 views
2 bookmarks
Ant on a hyperbox
1 answers
5 votes
676 views
1 bookmarks
Pythagorean coins
3 answers
17 votes
1k views
4 bookmarks
Pythagorean walk
2 answers
8 votes
1k views
1 bookmarks
Ant on a rectangular box
2 answers
4 votes
820 views
1 bookmarks
Puzzle pieces, each in contact with 5 others
3 answers
14 votes
2k views
5 bookmarks
Touching Matchsticks
2 answers
11 votes
960 views
2 bookmarks
Dissecting a square
2 answers
13 votes
2k views
4 bookmarks
Escaping a hungry lion you can't outrun
10 answers
28 votes
3k views
11 bookmarks
One prize, infinitely many choices
2 answers
17 votes
2k views
5 bookmarks
Game of Drones - Zap it!
6 answers
36 votes
7k views
7 bookmarks
Chasing pirates
4 answers
19 votes
830 views
4 bookmarks
Stitching together two identical planar shapes
4 answers
44 votes
2k views
9 bookmarks
Pythagorean Chess: Knishops
5 answers
6 votes
1k views
1 bookmarks
A mouse, Two mousetraps, Eight houses
2 answers
9 votes
532 views
3 bookmarks
Squaring the new year
2 answers
11 votes
658 views
4 bookmarks
A crawling spider and a cautious fly
4 answers
23 votes
3k views
6 bookmarks
Digging a tunnel between random locations