Featured Puzzles
Full of Tetrominoes
Schagt, Ad van der (NL)
H2O Puzzel
Griffioen, Sjaak (NED)
HCP (3+1/2)
Obsivac Vaclav (CZ)
No Image
Rubik's Clock
C. Wiggs and J.Tayler
Magnetisch Tangram
SmartCar
Peeters, Raf (BE)
Two Piece Oddity
Jolly, Tom (USA)
Pack It In
Conway, John Horton
Gem
Hart, George W. (USA)
Block or Cube
Obsivac Vaclav (CZ)
Dragonflies
Hart, George W. (USA)
Athena
Tangoes Classic
Neptune puzzle
Yamamoto, Osanori (JP)
Six keys
Mehandros
Toulouzas, Michael
3D Print
Book
Glass
Wood
Plastic
Metal
Optic illusions
Game
Stone
Rope