GG Turrican Demo V0.9 By Martin Konrad (PD) ROM Download for Game Gear (GG). GG Turrican Demo V0.9 By Martin Konrad (PD) game is available to play online and download only on Roms Games. GG Turrican Demo V0.9 By Martin Konrad (PD) ROM for Game Gear download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.