Sonic the Hedgehog (1991) | Sonic Eraser (1991) | Sonic the Hedgehog 2 (1992) | Sonic Spinball (1993) | Dr. Robotnik's Mean Bean Machine (1993) | Sonic the Hedgehog 3 (1994) | Sonic & Knuckles (1994) | Knuckles' Chaotix (1995) | Sonic Classics (1995) | Sonic 3D: Flickies' Island (1996)

Пре-релизы: Sonic 2 (16-bit) | Sonic Spinball | Dr. Robotnik's Mean Bean Machine | Sonic the Hedgehog 3 | Sonic & Knuckles | Knuckles in Sonic 2 | Knuckles' Chaotix | Sonic 3D Blast

Отменённые: Sonic-16 | Sonic the Hedgehog 3 Limited Edition | Безымянная игра от STI | Sonic Mars