It added score attack mode, 4-player mode, gallery mode, online ranking features. Online ranking service was ended on 2003-12-10 noon.
Kingfisher (piloted by Cpr. Kurt Aishinkagura)
Sparrow (piloted by Sgt. Romi Seneca)
Raven (piloted by Limi Seneca)
Stork (piloted by Special Ops Agent Cherry AD0002p)
Albatross (piloted by Sgt. Maj. Largo Gaizel)
Raijin (unlockable; Shinnosuke's fighter from the original game)
Purchka (unlockable; Isha's fighter from the original game)
Stranger (unlockable; the standard form of the original game's villain)
Carmine (unlockable; Ruby's fighter from the original game)
Wilderstand (unlockable; Stuck's fighter from the original game)
The soundtrack to Giga Wing 2 was released on CD, bundled with the soundtrack to Mars Matrix. The music is exclusively orchestral, with a chaotic sound to provide atmosphere to the war-torn world in which the game takes place.