Jaap's Puzzle Page

UPDATED 26/06/2013. There are new pages on the Bandaged 2×2×2, Bognar's Brainteaser, the Futuro Cube, the Gear Octahedron, Hoo-Doo, Instant Insanity II, the Master Skewb and Rex Cube, Shifty, Switcheroo, and and Tubie.
I added pages for peg solitaire variants - Solitaire / Hi-Q, Solo, Think & Jump, and Triangle Solitaire - together with some Analysis of Peg Solitaire, and a Peg Solitaire Java Applet.
I added Magic Path to the Brain-chek page, Christoph's Jewel and Trajber's Octahedron to the Octahedron page, Coin Hanoi Puzzle to the Towers of Hanoi page, Dinomorphix and Twistball to the Dino Cube page, Picture Domino to the Rubik's Domino page, Square-1 Star to the Rubik's Ufo page, and a Two-Colour version of the Marusenko Sphere,
Lastly, I added patent information to the Bolaris page and updated the Gripple page.

UPDATED 03/03/2013. There is now a huge Gallery of my whole collection. There are new pages on the Ai Cube, 2×3×4, 3×4×5, 4×4×5, 4×4×6, Two-Colour 4×4×6, Diamond Dilemma, Helicopter Cube, Curvy Copter, Nautilus, Polydron Enigma, Slide Rule Pie 3, Slide Rule Pie 6, and Super Brain Spinner, and I added the Flat Diamond Cube to the Rubik's Cube Variants page.
There are some neat new results about Lights Out on a torus on the Lights Out Mathematics page.
Last but not least, there is a new article about Bandaged Puzzles and PSPACE-completeness.

UPDATED 28/10/2012. I added a new page on Rubik's Cube Variants, containing the Void Cube, Shephard's Cube, Egg Cube, Heart Cube, Oval Cube, Mastermorphix 1, 2, 3, Rhombic Dodecahedron Cube. Nine Colour Cube, and Labyrinth Cube.
There are also new pages on 1×2×5 Gari Garikun Puzzle, Bolaris, Pentahedron, Quarter Turn Cube / Constrained Cube 90°, Square 2, Izzi 2, Kabalabda, Instant Indecision, and 7×7 Oktató Játék.
I updated the Frustr8tor page with a javascript simulation of the new version of the puzzle, and added the Gear Mastermorphix to the Gear Cube page, and the Rudenko Matryoshka, Rudenko Clips and Rudenko Disk to the Towers of Hanoi page.
I also added patents for the Code Breaker / Twisting Rings Puzzle, Cubedron, Butterfly, Flip-Side, SphereXyz, and Dodek Duo to the Patents page, and analysis of Alien Tiles and some other additions to the The Mathematics of Lights Out page.
If you have a puzzle but don't know its name, then you can look at the
Graphical Overview
of all the puzzles featured on this site, or look through the
Gallery of my whole collection
* = JavaScript simulation available
Click to switch preview on/off
Rubik's Cube family:
Tetrahedral: (4 axes)
Cubical: (6 axes)
Octahedral: (8 axes)
Rhombic Dodecahedral: (12 axes)
Dodecahedral: (12 axes)

Programs, etc.:
* = JavaScript simulation available
Other moving piece puzzles:
With gaps:
Flat without gaps:
Other permutation puzzles:
Other interesting puzzles:
Pattern matching puzzles:

These pages and scripts are written by Jaap Scherphuis, © Copyright 1999-2013. It is a non-commercial site.
Some of these puzzles may be trademarked. This site is not derived from, associated with, or endorsed by the holders of such trademarks.
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