The Sega Genesis, known in Japan as the Sega Megadrive, was developed by Sega and released in 1988. It was Sega's best selling console selling over 30 million units before it was discontinued in 1997.
The Sega Dreamcast was released by Sega in 1998. Widely considered a commercial failure it was discontinued in 2001 selling just over 10 million units worldwide.
The Sega Game Gear is a handheld video game console released by Sega in 1990. Conceived as a competitor to Sega's business rivals Nintendo. It was discontinued in 1997 after selling just over 10 million units.
The Sega SG-1000 is a home video game console manufactured by Sega originally released in 1983 marking the company's entry into the home video game console market. It sold over 2 million units before it was discontinued in 1984.
The Nintendo Game Cube is a video game console developed by Nintendo in 2001 as a successor to the Nintendo 64. It sold over 21 million units before being discontinued in 2007.