Filters
All-Edges Coverage - unknown
Square in the Bag - Iwahiro
Zipper - Iwahiro
Gears - Hirokazu Iwasawa
Single Knot - Iwahiro
The "Hexagonal Jam" Puzzle - Hirokazu Iwasawa
Slide Out! - Get the Golden Diamond - Iwahiro
Slide Out! - Remove the laughing gas cylinders! - Iwahiro
Slide Out! Computer Crisis - Iwahiro
Slide Out! Bomb breaker - Iwahiro
Gem Box - Iwahiro
Cube Wrapper - Iwahiro
5 Yen in a Jam - Iwahiro