The release of the original Game Boy in 1989 was a monumental game changer, to say the least. While it technically wasnt the first handheld game Nintendo had made, with that honor going to the Game & Watch series, it was the first proper, cartridge-based console, rather than a simple LCD puppet show. The games may not have been as elaborate as their NES and SNES cousins, but just being able to play something with a comparable degree of complexity on the go was a massive deal.
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