Links

Clickmazes
A nice collection of maze puzzles, designed by Andrea Gilbert and Oskar van Deventer.

Conceptis
Here they combine logic puzzles with pictures. Think of Japanese puzzles and ingenious variations.

Croco Puzzle
A puzzle platform based in Germany, in English, with a collection of old prize puzzles.

Erich's Puzzle Palace
Erich Friedman is an American mathematician with a passion for puzzles. He has a large collection of puzzle types that he invented himself, some of which were used in official championships. Definitely a website worth visiting.

Internet Puzzlers
This is a Japanese website of which we don't understand a word, but if you follow the links in a clever way, you'll find some puzzles.

Janko
Angela and Otto Janko have a website in German with many logic puzzles that can be solved online. A very nice collection.

JForum
We have the Rafael Steil's team to thank for powering our forum.

Logic-Masters
A website in German with optimization puzzles and also a puzzle wiki.

Logic Games Online
Josh Metzler implemented a few puzzles and single player logic games that can be played on his website.

Mathpuzzle
If you like logic puzzles and recreational mathematics, then the website of Ed Pegg Jr. belongs in your bookmarks.

Nikoli
A Japanese publisher of puzzle books. The website has many puzzles, but to see them all you have to pay.

Numbrosia
A cute little puzzle game.

Passion for Puzles
Website with interactieve logic puzzles, and a puzzle blog.

Pentomino
An interesting website by Odette de Meulemeester and her students, dedicated to pentomino puzzles.

Loop | Bridges | Sudoku | Nonograms | Light Up
A collection of websites, each dedicated to a specific puzzle type. The puzzles can be solved online.

Puzzle Palace
George Miller designs and builds physical 3D-puzzles. His website contains a nice collection of puzzles.

Puzzles.com
A lot of info on logic puzzles, physical 3D-puzzles, interactive puzzles and even more puzzles.

PZZLS
A more general website, with logic text based puzzles and mathematical puzzles.

Tim's World of Puzzles
Tim Peeters has a large collection of homemade puzzles, and information and statistics on the World Puzzle Championships.

Topcoder
A website dedicated to contests that revolve around algorithmic problems. If you are a programmer, then this is the place to be.

Wei-Hwa Huang @ Google
Former world puzzle champion Wei-Hwa Huang nowadays makes puzzles for Google.

World Puzzle Federation
The worldwide organisation that is responsible for the annual World Puzzle Championships.

Yoogi
An extensive collection of printable logic puzzles maintained by Anthony Immanuvel, with some Sudoku variations, Easy as ABC's, Tents and trees and a bunch of other genres.