Mac users interested in Zotz card game generally download:
It’s just a game. A really simple game. A really simple time-wasting curiously absorbing card game. I didn’t even make it up. Someone else made up the game; I downloaded it, it behaved in ways I didn’t like, so I wrote my own version, and this is it. The goal is simply to spot groups of three “cards” that are the same or different in all four of their “attributes”.