Here are some cheats and tips for the game Sonic 3D Blast.
Stage Skips:
At the title screen, when the words “Press Start” are flashing, press
and hold C, then press Start. Press Start again at the next screen
with the silver bar and the word “Start” on it. When the game begins,
press Start to pause. A map screen appears. At the map screen, do any
of the following:
To Next Level: Press B.
Jump to Last Boss: Press C.
See the End Cinema: At the last boss stage, pause the game & press A.