Gamepuzzles
Polyomino and polyform games and puzzles manufactured by Kadon Enterprises Inc.

Counting Horizontally Convex Polyominoes
Journal of Integer Sequences, Vol. 2 (1999), Article 99.1.8

The Poly Pages
Information on the various polyforms - polyominoes, polyiamonds, polycubes, and polyhexes.

Some Variations on the Theme of Polyomino
Looks at patterns that illustrate how the squares of polyominos are connected to each other.

Packing Polyominoes
Contains two GIF animations of 3D polyomino packing including 5 polyominoes packed in a 3x3x3 cube and 9 polyominoes packed in a 4x4x4 cube.

Polyominoes
Describes a numerical invariant that can be used to classify polyominoes.

Polyominoes: Theme and Variations
A brief essay with some references.

The Geometry Junkyard: Polyominoes
Numerous links, sorted alphabetically.

Polyomino and Polyhex Tiling
Tables of polyominoes and of polyomino tilings, in Postscript format.

Steve and Susan's Puzzles
Handmade wooden Pentomino and other puzzles; books.

Xominoes
Livio Zucca finds a set of markings for the edges of a square that lead to exactly 100 possible tiles, and asks how to fit them into a 10x10 grid.

Miroslav Vicher's Puzzles Pages
Polyforms (polyominoes, and polyiamonds) graphics, tables and resources.

Gerard's Universal Polyomino Solver
Java code that can work out solutions for any of over 60 problems, some with hundreds and thousands of solutions.

A Puzzle
Every square can be dissected into L-ominoes. Can every Pythagorean square?

Polyomino Fuzion game
Puzzles using pentominoes and hexominoes and a polyomino shareware game called Fuzion that designs and (semi-)automatically finds puzzle solutions.

Pentomino Relationships
Symmetries in the families of rectangular solutions.

Information on Pentomino Puzzles
At the Combinatorial Object Server.

Pentamini pentaminos pentominoes
A container of mathematical games, gadgets and software.

Pentomino Covers
Problems on minimal covers.

Official Eternity Puzzle Website
A range of ingenious tiling puzzles with a 1 million pound sterling prize, recently won.

Hepto
Some packings of the 108 heptominoes (with unit thickness) into various blocks.

Tiling UROP Homepage
Undergraduate Research Project in Random Tilings.

CalmPlex
Manufactures wooden puzzles of polyomino type. Includes Prices, tips, hints and pages with solution counts.

Pentomino Puzzle Software
Pentomino based puzzle game lets children solve and create geometric puzzles. Win32 software, download free time-limited demo version.

Eternity Page
Alex Selby's page with a description of his solution method.

Golygons
Serial Isogons of 90 Degrees, defined by A.K. Dewdney.

Pentominos Puzzle Solver
A Java applet for solving pentomino puzzles.

Tiling and Packing Results of Torsten Sillke
Polyominoes, polycubes and polyspheres.

Solomon W. Golomb
Home Page of the inventor of polyominoes. Includes biography, black and white picture, research interests and publications list.

Animal Enumeration
Enumeration on regular tilings of the Euclidean and Hyperbolic planes.

The Pentominos Puzzle
This is a fast Pentominos puzzle solver. Works on DOS/Windows platform.

Christopher Monckton's Eternity Puzzle
Rules, the solution by Alex Selby and Oliver Riordan, other resources and links.

Taniguchi's Programs
Windows software to solve polyiamond and sliding block puzzles.

Pentomino Homepage
Graphics, software, links. In English and French.

Thorleif's SOMA Page
SOMA puzzle site with graphics, newsletter and software.

The Pentomino-Dictionary
The English words which can be written with the pentomino name letters FILNPTUVWXYZ and other pentomino curiosities.

Schröder Triangles, Paths, and Parallelogram Polyominoes
A paper on their enumeration by Elisa Pergola and Robert A. Sulanke.

Pentominoe
Defined as square shapes that are directly connected to one another by one side, such as dominoes. Includes illustrations and a contest. In Dutch, French and English.

Pentominos
Graphics (including animated GIF) and links.

Eithan's Pentominoes-3D Applet Solver
Java applet which solves the Pentominoes 3D puzzle. General informations and data.

Puzzle Fun
Newsletter edited by Rodolfo Kurchan about pentominoes and other math problems.

Logical Art and the Art of Logic
Pentomino pictures, software and other resources by Guenter Albrecht-Buehler.

The Soma Cube
Soma-solving program in QBASIC by Courtney McFarren.

The Pentominoes Page
Of Jay Jenicek. Includes software for a game described on the page (2-3 players).