An interesting game but the first half of the first game I really didn't understand what was going on.

Quoted: click mazes - interactive puzzles and mazes to play on-line for free

This is a great idea! Kind of a cross between reality TV and mazes (without the TV part).

Lots of cool stuff on puzzles. Especially battleship, one of my favorites and which I wrote a puzzle generator/solver for. There's a good program on there for playing battleship also.

The best puzzle games for computers. Sherlock is a classic and Moriarty is its updated version. I'd be interested in knowing how they generate their puzzles.

A set of crazy problems with a challenge to compute the answers to 100 digit accuracy. The problems are such that each requires a lot of creativity to come up with the answers.

Scott Kim writes the puzzle column for Discover magazine. A personal link - we talked to him about being our art director at Suckerpunch and he made some links which eventually led to Dev Madan, our eventual lead artist.

Info on World Puzzle Federation including puzzles from previous championships