Sega Power was created in 1989.
Sega Power ended in 1997.
Sega Nomad was created in 1995.
Sega Genesis was created in 1990.
Sega Rally was created in 1994.
Sega TeraDrive was created in 1991.
Sega Force was created in 1992.
Sega Zone was created in 1992.
Sega Swirl was created in 1999.
Sega Pro was created in 1991.
Sega Visions was created in 1990.
Sega Ninja was created in 1985.
Sega Pico was created in 1993-06.