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Sega Game Gear
Peripherals supported: Gear-to-Gear Cable
Number of players: 1-2
$29.95  T-14028
, known as Batter Up (ギアスタジアム) in Japan, is a baseball game developed and published by Gear Stadium Namco for the Sega Game Gear. It is a handheld entry in Namco's World Stadium series, itself inspired by the earlier Family Stadium series for the Famicom, whose first entry, Pro Yakyuu Family Stadium, dates back to 1986.
It has a two-player mode which makes use of the
Gear-to-Gear Cable peripheral.
An updated version titled
(ギアスタジアム平成版) was released in Japan in 1995.
Gear Stadium Heiseiban
Main article: Batter Up (Game Gear)/Magazine articles.
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px; padding-left:2px; padding-top:9px; padding-right:2px;">Print advert in
(US) #6: "Fall 1991" (1991-xx-xx)
also published in:
Electronic Gaming Monthly (US) #27: "October 1991" (1991-xx-xx) 
GamePro (US) #29: "December 1991" (1991-xx-xx) 
Sega Retro Average
Consoles + (FR)
Game Zone (UK)
(UK) Sega Power
(UK) Sega Pro
Game Gear, JP
↑ 1.0 1.1
File:GamePro US 030.pdf, page 132
File:EGM US 027.pdf, page 139
File:GamePro US 029.pdf, page 93
File:SegaPro UK 03.pdf, page 71