Note that there is no registration if you downloaded from The Mac App Store.
You can download and play Puzzles Forever
You can play using any of the built-in pictures without limits.
You can import your own pictures to use as
but without registration, they will begin partially completed.
If you purchase a registration number and
then puzzles using imported pictures will no longer begin partially
completed, and you can enjoy assembling them from the start.
You will also be helping to support
and the people whose hard work creates shareware.
Registration costs $15 US.