Old time mechanical slot machines were clockwork - literally. When you pulled the handle, you twisted a cam bar against a powerful spring and pulled up a spring loaded hook. The cam withdrew the reel stops. Then at the end of stroke the hook fell off another cam and caught toothed plates that spun the reels.

Retro Studios is an American video game developer based in Austin, Texas, USA. It was founded in 1998 by Jeff Spangenberg as a second-party developer to Nintendo. It is wholly owned by Nintendo, making it a first-party developer, with over 50 employees.

The Asian culture is vast and very rich, so it's no surprise that many software developers choose to draw inspiration from it when developing their slot machines. Asian-themed slots usually stand out through their unique elegant and colorful design, as well as their relaxing traditional Asian music.

The earliest evidence that we can find of gambling behaviors is in China. Chinese employed titles as gambling games which were dependent on chance around the 3 millennium before Christ, and Greeks would use dice to pass for the first time.