Puzzle Groups
2 groups, 115 puzzles
Classic puzzles built by Ward de Langhe.
1 groups, 1,104 puzzles
Classic puzzles built by Werner Ettinger.
2 groups, 55 puzzles
Classic puzzles built by xbluejimx.
10 groups, 1,234 puzzles
Classic puzzles built by York Shen.
2 groups, 106 puzzles
Classic puzzles built by Yoshio Murase.
1 groups, 49 puzzles
Classic puzzles built by Zbigniew Kornas.
13 groups, 507 puzzles
Classic puzzles built by Zivojin Trifunovic.
2 groups, 223 puzzles
Classic puzzles built by ZXRetrosoft.
