Existen varios GD-roms oficiales de pre-producción del juego The Flintstones in Viva Rock Vegas pero el juego nunca llegó a comercializarse en Dreamcast.
C-Dogs, the sequel to Cyberdogs, is a DOS arcade shoot-em-up computer game which allows players to work co-operatively during missions, and against each other in "dogfight" death-match mode.