Hilarious easter egg, exclusive to the Apple II, turns everything you knew about computers upside-down

I’m a big fan of easter eggs. In fact, many of my articles contain easter eggs.

Jordan Mechner created a brilliant surprise in the Apple II version of his video game Karateka. When you insert the floppy disk upside-down, the game is also upside-down:

Not only does this make the game harder, it could really mess with your head. You may begin to wonder “Does every game behave like this?” Here’s the scoop from games™:

Karateka would be ported to several other systems, including Commodore 64, NES, and Game Boy, but each was lacking a mischievous Easter egg that Mechner built into the Apple II version. “The programmer doing copy protection for the game figured out that by messing with the bit table, the whole game could be played upside down, which is really hard to do,” he explained at San Diego Comic-Con in 2008. “We thought it would be hilarious if we burned the flipped version of the game to the other side of the disk. We figured of all the people who buy the game, a couple would accidentally put the floppy in upside-down. That way, when that person called tech support, that tech support rep would once in a blue moon have the sublime joy of saying, ‘Well sir, you put the disk in upside-down,’ and that person would think for the rest of their life that’s how software works.”

So no — flipping a DVD upside-down won’t play an upside-down version of the movie. That’s just not how it works.

[via CultOfMac]

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