Sonic The Hedgehog 3

Sega Genesis

Remember . . . if it has an asterisk (*) beside it, that means I have personally checked that code out and it works. If there is no asterisk, then it is a code that I have neither checked out nor disproven. You're on your own with them.

*Level Select
Code - You must have Sonic 2 to do this. Put Sonic 2 in the Genesis. Go to the options menu and play sounds 19, 65, 09, and 17, then press start to return to the title screen. Hold A and press start to go to the Sonic 2 level select. Hold A (and KEEP it held!), then gently remove Sonic 2 from the Genesis. Gently insert Sonic 3 and press Reset. Release A (finally), then press down twice at the title screen.
Affect - The level select menu (with sound test attached) will be down there. You will notice that there are levels listed that are not in Sonic 3. This is because they were cut out and later used in Sonic & Knuckles (or not at all).

*Control Mode
Code - Level Select, start a level, then pause anytime during gameplay.
Affect - While paused, pressing A will cause the game to reset. Pressing then holding B will make the game go in slow motion. Pressing C will advance the game one frame.

*Debug
Code - Level Select, then start a level by holding A and pressing Start while it is highlighted. If Hex numbers appear at the top of the screen, you're in.
Affects - Press B to turn Sonic into another sprite (aka to start debugging). Pressing A will change the sprite, and pressing C will place the sprite. Press B again to turn back into Sonic.

*View Animations
Code - Level Select and Debug. Begin debugging, then press B and C at the same time.
Affects - Sonic and/or Tails will begin to go through all of their animations. Very freaky to watch. I highly recommend it!

*Super Sonic
Code - Level Select, then play sounds 2, 4, 5, then 6. You will hear the music that you normally hear when you get a Chaos Emerald. Pick a stage and go.
Affects - After you grab fifty rings, you can become Super Sonic without any Chaos Emeralds!

*Night Play
Code - Level Select. Highlight the level you want, press and hold C, then press Start.
Affects - It won't actually look like nighttime, but certain parts of the screen will become very dark. Not very helpful, just weird to look at.

*Extra Lives
Code - Play to the Launch Base Zone. Find one of the alarms and stand in the center of it while it blares and lights up. Enter a spin dash (Down and B), but don't release it. A Flybot will come by every few seconds and run into you, destroying itself. Continue to hold the Spin Dash and more Flybots will hit you, gradually increasing in pointage until they are worth up to 10,000 points and an extra life!
Affects - You will keep getting extra lives until you get bored or the counter decides not to count them anymore. Duh.

Secret Special Stage
Code - Level Select and play sound 1F. Highlight stage 2, then hold A and press Start.
Affects - Accesses a Special Stage not accessable otherwise.

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