Infinite Lives
In Launch Base Zone, sound any of the alarms, so that the Kamikaze birds come after you. Charge up a Super Sonic Dash in between the alarm, but do not let go of the button. The birds will continually crash into you, scoring you lots of points and extra lives.
100% success rate.
Control Tails in 1-Player Game
Begin a one-player game with Sonic and Tails as the characters. Use controller two to control Tails.