Puzzle An application for MacOS © Copyright 2002-2023, Thomas M Zepko Welcome This was the first application I built using Objective C and the Cocoa development environment for Mac OS X. I first wrote it in 2002, building a user interface around an algorithm I wrote way back in 1984. In January 2016 I completely rewrote the app, this time using Swift, Apple's new programming language. The current version is thoroughly modernized, employing the best available technologies and programming practices. It is compatible with Mac OS 10.14 (Mojave) or newer. It is a Universal app — it will run in native mode on either Intel or Apple Silicon. The program is offered free for your enjoyment and education. If your friends wish to try it as well, please refer them to the following website to download their own copy. Please do not distribute it through any other channels. Thanks. http://sk8logic.com/puzzle/ Also, you may wish to visit that site to see if there is a newer version of the program available. Using Help Click the topics at left for more information, or simply click the arrow button at the top of the page to go to the next page in the order shown.