Free program to create a solving grid for logic puzzles or problems. Includes source code and example puzzle file.

Solve sudoku puzzles online

An interactive introduction to Dan Dare, featuring a complete history of every version of Dan Dare, plus lots of Dan Dare images, games and puzzles.

Downloadable games for Windows: arcade, puzzle, card, board games - you could try them online, take part in the contests and win awards. Windows versions are available too.