Sonic Drift

Sonic Drift was a Japan-only racing game starring Sonic the Hedgehog. The game also featured Tails, Dr. Robotnik, and Amy Rose. It was released to the Game Gear in 1994.

Sonic Drift 2
The sequel to Sonic Drift, released in 1995 onto US Game Gear systems. Despite the first one having been Japan-only, the Sonic Drift 2 name was retained for US imports. Knuckles, Nack, and Metal Sonic were added. It should be noted that Knuckles name was misspelled as "Knucles" on the character select screen because of a space limit for character names.

Ports
Both games are unlockable in Sonic Adventure DX. They were also ported to the Playstation 2 as a part of Sonic Mega Collection Plus.