Jigsaw Planet does allow users to sign up for a free site membership but this isn't needed to play the puzzles and is simply used to rate those that you like or dislike. The UI on the play page is ...

The makers of Wilmot Works It Out, a new puzzle game, understand this, and everything about the game is designed to make solving puzzles fun instead of annoying.

At least if your family likes jigsaw puzzles. The idea is very simple, laminate a photograph onto some laser-cuttable board, and then run the laser over the outline of the pieces. Bam! Instant puzzle.

Where you do jigsaw puzzles is almost as important as how you do them. “In official competitions, vinyl-plastic is used so ...