Wood grain is also one key to making an easy puzzle much harder. “To pass the time on planes,” Danner says, he’ll flip a whole puzzle face down and use the wood grain as his only image guide.

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.

making decisions, solving problems, meeting other characters and travelling to new worlds. There are many different types of computer games ranging from simple puzzles to complicated world ...