Sonic the Hedgehog Spinball is a 1993 pinball video game developed by Sega Technical Institute and published by Sega. It is a spinoff of the Sonic the Hedgehog series set in the continuity of the Sonic the Hedgehog animated series.
Sonic Chaos is a 1993 platform game published by Sega for the Master System and Game Gear. Players control Sonic the Hedgehog and his sidekick Miles "Tails" Prower in their quest to retrieve the Chaos Emeralds from Doctor Robotnik, who has stolen them to construct nuclear weapons.
