Once Upon a Time… Apple Cassettes
Long before the days of iPhones and App Stores, Apple software came on 5.25″ floppies and… cassette tapes. Here is an example of such a relic, a super retro tape of Lemonade Stand, an extremely simple Apple II game that taught kids the business basics of running a lemonade stand.
This is from before my time but it’s fun to see anyway. You can actually play a port of Lemonade Stand in Mac OS X and Windows XP, although you’ll need Rosetta installed to get it to work in Mac OS X, meaning Lion users are out of luck.