Super League © 1989 Sega Enterprises, Limited.
GAME ID: G-4006
CART SIZE: 4M
Released on April 22, 1989 in Japan for a retail price of 5800 Yen. It was the third Mega Drive released in 1989.
Chief Programmer: Yamaichi
Assistant Programmer: Mizoran
Graphic Coordinator: Tamun, Wood One, Autumn
Ground Designer: Tamun
Fielder Designer: Wood One, Autumn, Big Island, Toyo Ozaki
Sound Coordinator: Roge
Director: Yamaichi, Mae
Special Thanks: Ryuchan, Min, Works Nishi, Kota, Si Extra, Morii, Stresteles, Lee, Lander, Kuma, Uru Uru, Tatsu, Usida Moo, Nekoda Nya, Inuda Wan, Umada Hihiin
Japanese cover artist: Hiroaki Shioya