Press B again to return to normal gameplay. Character animation viewer: hold C and press B to rapidly cycle through all available animation frames for the current character (pause the game and use frame advance to view individual frames).Press B again to return to normal gameplay.Hold A and press C to move backward one object.Placement mode: Press B to enter placement mode, which allows you to move Sonic anywhere in the level with the D-Pad and place objects from a predefined list (not all objects may be available in a given level).While in debug mode, you have access to the following: On the sound test, play sounds 02, 04, 05, 06. You can also hold C and press Start to highlight high-priority background tiles (tiles that overlap Sonic and other sprites). To activate debug mode, select a file/level, hold A and press Start, and keep holding A until the level begins. Then, to find the level select on the title screen, simply press Up to reveal 'SOUND TEST' and press Start. This works because the RAM variable that unlocks the level select is preserved when you reset the console ( Sonic 3 was built upon the Sonic 2 source code, and thus shares a number of RAM variables).

If you are playing on a real Mega Drive/Genesis console and don't mind risking the long-term health of your console and cartridges, then another method is to load up Sonic 2, unlock its level select (19, 65, 09, 17 in the sound test), swap the cartridge with Sonic 3 without turning the power off, and then press Reset.

You can also use Game Genie code AA6T-AAXC or Pro Action Replay code FFFFD0:0100 to access the level select.

You can access the leftover Sonic 2 Options menu (see below) and enter the Sonic 2 level select code in the sound test (19, 65, 09, 17).Alternatively, you can unlock the level select by these alternate methods: You only have about 1.3 seconds to enter it, and due to this screen having an absolutely ridiculous number of lag frames, it may not always work you'll hear the ring collection sound if you did it right. To access a level select and debug mode, press Up, Up, Down, Down, Up, Up, Up, Up after the SEGA logo screen fades to black and Sonic begins to move, but before the title screen appears (about 4.31 seconds after boot). 11.6.1 Launch Base Zone Unused chunk set.10.1 Unused Competition Mode Title Cards.6 Water Levels in Launch Base Zone Act 1.Originally one big game, Sonic 3 was split into two games due to time constraints, cartridge costs, and a promotional deal with McDonald's the second half of the story is its direct sequel, Sonic & Knuckles. Sonic the Hedgehog 3 is the third game in the 16-bit Sonic trilogy and the first game with the easily-tricked-by-Eggman redheaded echidna, Knuckles. This game has unused playable characters.

Sonic 1 boss sprites