I can recommend http://www.maczot.com as an interesting filter for Mac software. I have made a couple of purchases including a Mystery Zot and a great game, “jets and guns”. Give it a look.
MacZOT.com Fans want Pzizz because ‘According to the National Sleep Foundation, sleep deprivation and its effect on work performance may be costing U.S. employers some $18 billion each year in lost productivity. Another study pushes this cost to over $100 billion.’ – link to full article