SEGA screen before the title, with the "SE-GA" voice.
different title screen and Time Attack exit pic
missing TVs. The blue ring and the "S" will put you into "Super Sonic" mode for an amount of time. Like if you would hit the invincibility TV and Power Sneaker tv at the same time. The clock stops the rings from spinning.
Different end sign. Oh, and if you jump in the Giant Ring, Sonic will dissappear, but the ring will remain there.
Special Stage demo. This demo is the only Special Stage in the game, with that stupid blinking text on top of it. It's close to the 2nd Stage from the final in layout. The stage has Oil tracks in it, but not a single UFO to destroy.
The intro FMV has different background art. The FMV itself is mostly the same, however, the scene where the chain pans up to the Little Planet is actually reversed in the final (going from the planet down). The text reads 'Kaihatsu Gamen,' meaning 'Development Video.'
Stage Select and Debug
Stage Select - At the title screen, press start on the player 2 controller. Then start on the player one controller.
Debug mode - press start on 2nd controller during gamneplay. This will spawn another flashing sonic, (which you can use) and allowing you to press buttons on controller 1 to alter the objects.
- There are 32 tracks
- The number on the life counter is slightly above where it should be
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