Sega Master System / Mark III / Game Gear
If you want to quit the race during the Free Run mode, pause the game and press +.
If you finish all races of the Blue GP in first place, you will enter in an extra race against a CPU Eggman. Beat him and see the game credits.
For a super start, hold the accelerator button a moment before the blue light turns on.
See the main page for Sonic Drift 2 (ソニック ドリフト２) / Sonic Drift Racing