G:Sonic The Hedgehog

C:Enable Stage Select|FFFFD0:0100|Parasyte|At the title screen, hold the A button and push Start to enter the stage select menu.|
C:Enable Debug Mode|FFFFFA:0100|Parasyte|
C:Infinite Rings|FFFE20:00C8|Parasyte|This code also allows you to pass the special stages with ease, and always get the Chaos Emerald at the end.|
C:Infinite Lives|FFFE12:0009|Parasyte|
C:Stage/Act Modifier|FFFE10:xxyy|Parasyte|Quantity Digits for "xx"(stage):<br><br>00 - Green Hill<br>01 - Labyrinth<br>02 - Marble<br>03 - Star Light<br>04 - Spring Yard<br>05 - Scrap Brain<br>06 - 'Zone'<br>07 - Final (?)<br><br><br>Quantity Digits for "yy"(act):<br><br>00 - Act 1<br>01 - Act 2<br>02 - Act 3<br><br>Not all stages have acts 2 or 3.|
C:Makes Sonic Invulnerable To Enemies, Bullets, And Spikes Until He Picks Up Another Shield|0039F0:11C1|Mr. Book|
C:Aerial View of A Level|0039FC:31C1|Mr. Book|You can also place objects by pressing Button A and placing them with Button C. When you're finished press Button B and you'll continue.
C:Gives Sonic Turbo Shoes With Every TV He Breaks|00A35E:6042|Mr. Book|
C:Begin With Several Hundred Rings On Each Level|003242:6010|Mr. Book|When you press Start you'll be prompted by a Level Select screen that enables you to choose any level.
C:Begin The Game With 99 Lives|00334A:0063|Mr. Book|
C:Infinite Lives|0138A0:6032|Mr. Book|
C:Super Speed!|FFF761:6411|radical dreamer|