Pinball Machine Gameplay Features Upper Right Ball Return Gates History Tools Type of: Right-Side Ball Return Gates, Upper Ball Return Gates Games (7) Harem Playmatic, 1974 Bali-Hi Bally, 1970 Expo Williams, 1969 Student Prince Williams, 1968 Shangri-La Williams, 1967 Hot Line / Big Strike Williams, 1966 Band Wagon Bally, 1965