Nintendo Entertainment System (NES)
"The Nintendo Entertainment System (NES) is an 8-bit home video game console developed and manufactured by Nintendo, launched on July 15, 1983"
Sony Playstation
"The PlayStation (officially abbreviated PS, commonly known as the PS1 or its codename PSX) is a home video game console developed and marketed by Sony Computer Entertainment. It was first released in September 1995. The PlayStation was the first "computer entertainment platform" to ship over 100 million units."
Sega Genesis
"The Sega Genesis is a 16-bit home video game console developed and sold by Sega that was released in 1989."
Playstation 2
"The PlayStation 2 (PS2) is a home video game console developed and marketed by Sony Computer Entertainment. It was first released in October 2000. The PS2 is the best-selling video game console of all time, having sold 159 million units, with 150 million confirmed by Sony in 2011"