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.
How to Play
|Player 1 (Default Mapping)|
|Inside The Game||Your Keyboard|
|A, B, C Button =||[J],[K],[L]|
|PLAY,MODE =||[Enter], [SPACE-BAR]|
How to Save: Hover over the game canvas. A save button will appear at the top of the game screen. When you click "Save" button, the save code (spot) will be saved onto your browser's storage system automatically.
How to Load: Come back anytime in the future, simply click "Load" to resume from your latest save spot. (Assuming you did not clear your browser' data.
CAUTION:: Browser's private mode WILL NOT retain your save state, because save state is deleted once the browser is closed, so don't use private mode if you want to use the save state.
Recommended Browser: Chrome
Play Sonic 3 Prototype Online Game. One of many Sonic Games to play online on your web browser for free at KBH Games. Play Sonic 3 Prototype using a online Sega emulator. Tagged as Retro Games, Sega Games, Sonic Games, and Sonic The Hedgehog Games. Upvoted by 810 players. Other games you might like are Silver Sonic in Sonic 1 and FNF: Sonic.Exe and Majin Sonic sings "Too Slow". No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.