7. The Operation
Where It Was Sold: Toys “R” Us, KB Toys; Manufacturer: Hasbro/MMilton Bradley
Initial Cost: $5–$7*
Operation was a well-liked game that tested players’ ability to remove plastic organs from a patient without setting off a buzzer. It was released in 1965. But the game wasn’t always known by its easily recognizable name. It was formerly called “Electro Probe,” and with good reason.
The @etsy/Pinterest operation
Operation’s success, despite its straightforward concept, gave rise to other spin-offs, including an electronic version and a themed edition inspired by the Shrek movie. The game’s developer, John Spinello, was a college student when he sold the rights to the game for just $500. The franchise is currently valued at an estimated $40 million. This is one of those decisions that people wish they could undo.
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