Nintendo's Game Boy turns 25

It was more or less muscle memory: put in a fresh pair of double-A batteries, slide in the square, gray cartridge of your favorite game into the open slot, then flip on the little power switch on the top. Then, it was time to smile as the red light fired up on the left side of the green-tinted LCD screen as the word “Nintendo” descended from the top of the screen and stopped in place

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