Sonic & Knuckles
Sonic symbol
North American box art.
Developer(s) Sonic Team
Publisher(s) SEGA
Series Sonic
Director(s) Hirokazu Yasuhara
Producer(s) Yuji Naka
Designer(s) Hirokazu Yasuhara
Hisayoshi Yoshida
Takashi Iizuka
Programmer(s) Yuji Naka
Takahiro Hamano
Masanobu Yamamoto
Artist(s) Takashi Yuda
Satoshi Yokokawa
Composer(s) Sachio Ogaw
Tatsuyuki Maeda
Jun Senoue
Howard Drossin
Game engine Sonic 1 Engine Modified
Release date Genesis/Mega Drive
NA/JPOctober 18, 1994
EU/AUSNovember 1994
EUJanuary 1, 1996
Wii Virtual Console
JPOctober 27, 2009
PALFebruary 12, 2010
Xbox Live Arcade
JP/NAJune 10, 2009
Genre(s) Platform, Adventure
Mode(s) Single player, multiplayer
Ratings VRC: GA Pan European
Platform(s) Sega Mega Drive / Genesis
Mac OS X
Nintendo GameCube
Wii (Virtual Console)
Xbox Live Arcade
Media 8-Megabit cartridge
Input methods Game controller

Sonic & Knuckles (ソニック&ナックルズ) is a 1994 platform video game in Sonic the Hedgehog series for the Sega Mega Drive/Genesis. It was developed in the United States at SEGA Technical Institute by members of Sonic Team, and was published by SEGA worldwide on October 18, 1994.

As well as working as a standalone game, through a system dubbed "lock-on technology", Sonic & Knuckles acts as an expansion pack to both Sonic the Hedgehog 2 and Sonic the Hedgehog 3, the latter with which it was developed in tandem.

In the Super Smash Flash series


Sky Sanctuary Zone, the sixth zone of this game, appears as a stage in Super Smash Flash 2. The design is reminiscent of its original appearance, and like in the game, some platforms fall upon being walked on. Additionally, one of the main enemies of this game, Eggrobo, appears as a background character on this stage.


A remix of the theme that plays during the Sky Sanctuary Zone level of this game is used as the main music track of the stage of the same name in SSF2.

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