Various video games systems come and go as time goes on. Computer technology evolves, and gets more innovative over time, and things that seem second-nature to us now, may have been quite revolutionary in the era when they were originally concieved.
Nintendo is a company in the video game industry that has created many systems, most of them, in some way revolutionary when they were created.
Here is a list of some of the systems that Nintendo has developed.
A game series that has been seen on nearly every Nintendo console is the Legend Of Zelda, which is an RPG style game.
Other companies such as Sega, and Sony also have made game systems, like the Genesis, and the Sony Play Station.