G:Sonic 3D Blast

C:Non-Stop Demo|AJCA-AABY|?|
C:Freeze Animations|AJLA-AACG|?|
C:Level Selection Menu Always Appears At Level Start|AJNA-AA32|?|
C:Invisible Sonic, Except For Shadow|AJNA-AAWT|?|
C:Infinite Lives|ATEA-AA5J|Tony Hedstrom|
C:Don't Lose Rings When Hit!|BL5T-CA2W|Tony Hedstrom|As long as you collect at least 1 ring, you'll be invincible.
C:Once You Collect The First 5 Birds (Flickies) For The First Level, You Won't Need To Collect Anymore To Go To The Rest of The Levels|AVSA-AA44|Tony Hedstrom|I haven't tested this code on all of the levels yet.
C:Don't Lose Rings In Special Stages|AMJA-CA42|Tony Hedstrom|