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). 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 and cartridge costs 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.