Classic Game Room reviews ZERO GUNNER 2 for Sega Dreamcast from Psikyo, a unique helicopter arcade shooter with incredible gameplay and unique controls. CGR Zero Gunner 2 YouTube review has Zero Gunner 2 Sega Dreamcast gameplay recorded from Sega's mighty self conscious game system which is still thinking of ways to destroy you. Zero Gunner 2 is a helicopter SHMUP arcade shooter with unique 360 rotational controls and three choppers to choose from. 1-2 players..