Download of Puzzler World 1.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Games, more precisely Puzzle.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this software for Mac is Feral Interactive Ltd.
From the developer:
An abundance of incredibly addictive and challenging puzzles to get your synapses sizzling. Featuring Word searches and Crosswords, Sudoku, Fitword, Codeword, and visual puzzles like Spot the Difference, Silhouette and Link-a-Pix Puzzles, Puzzler World is a truly gigantic collection of hundreds of quality puzzles that will test and tease, infuriate and exhilarate.
You may want to check out more software for Mac, such as Kids Slide Puzzle World, Jigsaw Puzzle Maker - Create and Play your own jigsaw puzzles or Art Puzzle Maker, which might be related to Puzzler World.