Gigas is an arcade fighting game. Without additional information about the version, it's difficult to specify the gameplay features or developer. Further details are needed to provide more information.

Gigas (version)

Giga Wing (990222 USA)

Giga Wing (990223 Japan Phoenix Edition)

Giga Wing (990223 Japan)

Gigaman 2: The Power Fighters (version)

Gigandes

Gigas Mark II

Ginga NinkyouDen (set 1)

Ginga NinkyouDen (set 2)

Gingateikoku No Gyakushu

Gladiator 1984

Global Champion (Ver 2.1A 1994/07/29)

Go For The Gold (Japan)