Sonic 3 Prototype

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Sonic 3 Prototype

A prototype version of Sonic 3, containing features that would never make it into the final build, has been discovered.

Now you can play it online.

The prototype of Sonic 3 that contains a variety of elements that were reported in a 1993 magazine preview, but never seen in the retail release. These include the Flying Battery zone and bosses (which were moved across to Sonic & Knuckles), and Lava Reef. Also found in the ROM are three unfinished bonus stages, and object, badniks, and boss data for cut zones.

As Always, Good Luck and Have Fun.

Controller to Keyboard Mapping =

Only keyboard is required to play. Pretend your keyboard is the a game controller. Check the controller setting by clicking the "Set Up Keyboard" button at the bottom of the game. A console-to-keyboard mapping will be displayed, for example, a - Z, mean "a" button on console/joystick is equal to Z key on your keyboard.

Start/Pause = Enter

Player 1 (Default Mapping)
Inside The Game Your Keyboard
Move/D-PAD =[W],[A],[S],[D] on Keyboard
X, Y, Z Button =[U],[I],[O] on Keyboard
START,MODE =[Enter], [SPACE-BAR] on Keyboard

SAVE GAME: Hover over the game canvas. A save button will appear at the top of the game screen. When you click "Save" the save code will be saved to your browser's cookie. So remember if clear your browser's cookies your save spot will be gone.

LOAD GAME: Click to load from the latest save spot.