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Play Sonic & Knuckles + Sonic the Hedgehog (World) online

Play Sonic & Knuckles + Sonic the Hedgehog (World) Online

5/5
Genesis
Unknown
The concluding sequel to Sonic the Hedgehog 3, and the only Sega Genesis game to feature lock-on technology (allowing players to play as Knuckles in Sonic the Hedgehog 2 and the ability to combine it with Sonic the Hedgehog 3 into one big adventure).
  • DeveloperUnknown
  • PublisherUnknown
  • Release DateUnknown
  • GenresActionPlatformer
  • PlatformsGenesis
  • Players0

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Sonic & Knuckles + Sonic the Hedgehog (World) Series

Play Sonic 4: Cybernetic Outbreak
Sega 32X

Sonic 4: Cybernetic Outbreak

Play Sonic & Tails 2 (Japan)
Game Gear
1991

Sonic & Tails 2 (Japan)

Play Sonic & Tails (Japan)
Game Gear
1992

Sonic & Tails (Japan)

Play Sonic 7
Game Body Color(GBC)
1996

Sonic 7

Play Sonic 6 (Unl)
Game Body(GB)
1996

Sonic 6 (Unl)

Play Sonic - Angel Island Adventure - The First Half (AIZ Demo)
Genesis

Sonic - Angel Island Adventure - The First Half (AIZ Demo)

Play Sonic - Fast The Hedgehog
Genesis

Sonic - Fast The Hedgehog

Play Sonic - South Island's Encore (SHC Release)
Genesis

Sonic - South Island's Encore (SHC Release)

Play Sonic - Project Revenge (SHC '24 Demo)
Genesis

Sonic - Project Revenge (SHC '24 Demo)

Play Sonic - The Return of Painful World Spikes Kaizo
Genesis

Sonic - The Return of Painful World Spikes Kaizo

Play Sonic - The Boss Challenge
Genesis

Sonic - The Boss Challenge

Play Sonic & Ashuro (REV02 5.00) (2022 Update)
Genesis

Sonic & Ashuro (REV02 5.00) (2022 Update)

Play Sonic & Johnny
Genesis

Sonic & Johnny

Play Sonic & Knuckles (World)
Genesis
1993

Sonic & Knuckles (World)

Play Sonic - Mysterious Visionary (Demo)
Genesis

Sonic - Mysterious Visionary (Demo)

Play Sonic & Ashuro (REV01 4.05)
Genesis

Sonic & Ashuro (REV01 4.05)

Play Sonic & Knuckles DX
Genesis

Sonic & Knuckles DX

Play Sonic & Knuckles Master Edition Demo
Genesis

Sonic & Knuckles Master Edition Demo

Play Sonic & Knuckles Master Edition SHC21
Genesis

Sonic & Knuckles Master Edition SHC21

Play SoNiC & SHADOW Double jump 2 by TRaiNoR
Genesis

SoNiC & SHADOW Double jump 2 by TRaiNoR

Play Sonic 1 - 50Hz = 60Hz (240p Edition)
Genesis

Sonic 1 - 50Hz = 60Hz (240p Edition)

Play Sonic 1 - Better Edition
Genesis

Sonic 1 - Better Edition

Play Sonic & Shadow Double Jump Remix
Genesis

Sonic & Shadow Double Jump Remix

Play Sonic 1 - CC Remake
Genesis

Sonic 1 - CC Remake

Play Sonic 1 - Dick Move Prevention Edition
Genesis

Sonic 1 - Dick Move Prevention Edition

Play Sonic 1 - DSK Edition
Genesis

Sonic 1 - DSK Edition

Play Sonic 1 - Fishsticks
Genesis

Sonic 1 - Fishsticks

Play Sonic 1 - Galaxy Edition
Genesis

Sonic 1 - Galaxy Edition

Play Sonic 1 - Master Edition IV
Genesis

Sonic 1 - Master Edition IV

Play Sonic 1 - Large Levels Demo
Genesis

Sonic 1 - Large Levels Demo

Play Sonic 1 - No Spin Challenge
Genesis

Sonic 1 - No Spin Challenge

Play Sonic 1 - Master Edition IV - Final Phase
Genesis

Sonic 1 - Master Edition IV - Final Phase

Play Sonic 1 - Over 9000
Genesis

Sonic 1 - Over 9000

Play Sonic 1 - Physics Abuse
Genesis

Sonic 1 - Physics Abuse

Play Sonic 1 - Point & Click Edition (By Nat The Porcupine)
Genesis

Sonic 1 - Point & Click Edition (By Nat The Porcupine)

Play Sonic 1 - Score Rush
Genesis

Sonic 1 - Score Rush

Play Sonic 1 - Rerouted
Genesis

Sonic 1 - Rerouted

Play Sonic 1 - South Island Expedition (formerly Definitive)
Genesis

Sonic 1 - South Island Expedition (formerly Definitive)

Play Sonic 1 - The Next Level
Genesis

Sonic 1 - The Next Level

Play Sonic 1 - The Ring Ride 1
Genesis

Sonic 1 - The Ring Ride 1

Play Sonic 1 - The Ring Ride 2
Genesis

Sonic 1 - The Ring Ride 2

Play Sonic 1 - The Ring Ride 3
Genesis

Sonic 1 - The Ring Ride 3

Play Sonic 1 - The Ring Ride 4
Genesis

Sonic 1 - The Ring Ride 4

Play Sonic 1 - Tisha Project
Genesis

Sonic 1 - Tisha Project

Play Sonic 1 - Unfinished Example Remade (Final Release)
Genesis

Sonic 1 - Unfinished Example Remade (Final Release)

Play Sonic 1 - YOLO Edition
Genesis

Sonic 1 - YOLO Edition

Play Sonic 1 - WCES Remake
Genesis

Sonic 1 - WCES Remake

Play Sonic 1 (SonicPaint) (MarkeyJester)
Genesis
1996

Sonic 1 (SonicPaint) (MarkeyJester)

Play Sonic & Knuckles + Sonic the Hedgehog 2 (World)
Genesis

Sonic & Knuckles + Sonic the Hedgehog 2 (World)

Play Sonic & Knuckles + Sonic the Hedgehog 2 (World) [Hack by Hachelle-Bee v1.8] (Long Version)
Genesis

Sonic & Knuckles + Sonic the Hedgehog 2 (World) [Hack by Hachelle-Bee v1.8] (Long Version)

Play Sonic & Knuckles + Sonic the Hedgehog 3 (World)
Genesis

Sonic & Knuckles + Sonic the Hedgehog 3 (World)

Play Sonic 1 (SpeedCap) (MarkeyJester)
Genesis
1996

Sonic 1 (SpeedCap) (MarkeyJester)

Play Sonic 1: Back 2 The Future
Genesis

Sonic 1: Back 2 The Future

Play Sonic 1: Painto Edition 2
Genesis

Sonic 1: Painto Edition 2

Play Sonic 1: Sonic 3 Edition
Genesis

Sonic 1: Sonic 3 Edition

Play Sonic 1: Contemporary
Genesis

Sonic 1: Contemporary

Play Sonic 100 - Sunset Hill Demo
Genesis

Sonic 100 - Sunset Hill Demo

Play Sonic 1: Black and White Edition V2.5
Genesis

Sonic 1: Black and White Edition V2.5

Play Sonic 2 - Anniversary Edition
Genesis

Sonic 2 - Anniversary Edition

Play Sonic 2 - Modgen Edition
Genesis

Sonic 2 - Modgen Edition

Play Sonic 2 - Archives
Genesis

Sonic 2 - Archives

Play Sonic 2 - Chicago Bulls Edition
Genesis

Sonic 2 - Chicago Bulls Edition

Play Sonic 2 - Multiple Sonics
Genesis

Sonic 2 - Multiple Sonics

Play Sonic 2 - Odyessy Special
Genesis

Sonic 2 - Odyessy Special

Play Sonic 2 - Rerouted
Genesis

Sonic 2 - Rerouted

Play Sonic 2 - Score Rush
Genesis

Sonic 2 - Score Rush

Play Sonic 2 - Sonic 1 Style
Genesis

Sonic 2 - Sonic 1 Style

Play Sonic 2 - Archives (SHC2023)
Genesis

Sonic 2 - Archives (SHC2023)

Play Sonic 1337
Genesis

Sonic 1337

Play Sonic 2: Aluminium Edition
Genesis

Sonic 2: Aluminium Edition

Play Sonic 2: Hold Right To Win Edition
Genesis

Sonic 2: Hold Right To Win Edition

Play Sonic 2: Lose Tails Or Else
Genesis

Sonic 2: Lose Tails Or Else

Play Sonic 2: Return of Shadow
Genesis

Sonic 2: Return of Shadow

Play Sonic 2: Return of Shadow
Genesis

Sonic 2: Return of Shadow

Play Sonic 2: S3 Edition
Genesis

Sonic 2: S3 Edition

Play Sonic 2: The Secret Zones
Genesis

Sonic 2: The Secret Zones

Play Sonic 3 - EXE Edition
Genesis

Sonic 3 - EXE Edition

Play Sonic 3 & Knuckles Chaotix Edition
Genesis

Sonic 3 & Knuckles Chaotix Edition

Play Sonic 3 & Knuckles But With Funny Power Ups
Genesis

Sonic 3 & Knuckles But With Funny Power Ups

Play Sonic 3 & Knuckles Hard Bosses Edition
Genesis

Sonic 3 & Knuckles Hard Bosses Edition

Play Sonic 3 & Knuckles Hard Bosses Edition 2 v100.3
Genesis

Sonic 3 & Knuckles Hard Bosses Edition 2 v100.3

Play Sonic 3 & Knuckles Hard Bosses Edition 2 v1.1
Genesis

Sonic 3 & Knuckles Hard Bosses Edition 2 v1.1

Play Sonic 3 & Knuckles Hard Bosses Edition 2 v200.1
Genesis

Sonic 3 & Knuckles Hard Bosses Edition 2 v200.1

Play Sonic 3 & Knuckles Hard Bosses Edition 2 v400.0
Genesis

Sonic 3 & Knuckles Hard Bosses Edition 2 v400.0

Play Sonic 3 & Knuckles Hard Bosses Edition 2 v300.0
Genesis

Sonic 3 & Knuckles Hard Bosses Edition 2 v300.0

Play Sonic 3 & Knuckles Juke Denton Edition v0.39
Genesis

Sonic 3 & Knuckles Juke Denton Edition v0.39

Play Sonic 3 & Knuckles Megamix
Genesis

Sonic 3 & Knuckles Megamix

Play Sonic 3 & Knuckles Rerouted (v2)
Genesis

Sonic 3 & Knuckles Rerouted (v2)

Play Sonic 3 & Knuckles Painto Edition v2.5
Genesis

Sonic 3 & Knuckles Painto Edition v2.5

Play Sonic 3 & Knuckles Super Peel Out by snkenjoi (SK Hack)
Genesis

Sonic 3 & Knuckles Super Peel Out by snkenjoi (SK Hack)

Play Sonic 3 - Power Of Knuckles
Genesis

Sonic 3 - Power Of Knuckles

Play Sonic 3 & Shadow
Genesis

Sonic 3 & Shadow

Play Sonic 3 - Generations Edition
Genesis

Sonic 3 - Generations Edition

Play Sonic 3 - Blue Knuckles Story
Genesis

Sonic 3 - Blue Knuckles Story

Play Sonic 3: D.A. Garden Edition
Genesis

Sonic 3: D.A. Garden Edition

Play Sonic 3&K Mania Edition
Genesis

Sonic 3&K Mania Edition

Play Sonic: Scorched Quest
Genesis

Sonic: Scorched Quest

Play Sonic & Sega All-Stars Racing (USA) (En,Fr,Es)
Nintendo DS(NDS)
2010

Sonic & Sega All-Stars Racing (USA) (En,Fr,Es)

Play Sonic & Sega All-Stars Racing (Europe) (En,Fr,De,Es,It)
Nintendo DS(NDS)
2010

Sonic & Sega All-Stars Racing (Europe) (En,Fr,De,Es,It)

Play Sonic (SMK)
Game Boy Advance(GBA)
1997

Sonic (SMK)

Play Sonic 3 - Fighter Sonic (Unl)
Game Boy Advance(GBA)

Sonic 3 - Fighter Sonic (Unl)

How to Play Sonic & Knuckles + Sonic the Hedgehog (World) in Your Browser

1. Click Play

Simply click the "Play Now" button at the top of this page to start the game immediately.

2. Use Controls

Use your keyboard to control the game. Check the keyboard configuration section below for details.

3. Save Progress

Use the save feature to preserve your progress at any point in the game.

Pro Tip

For the best experience playing Sonic & Knuckles + Sonic the Hedgehog (World), use a desktop or laptop computer with a keyboard. Full-screen mode provides the most immersive gameplay.

Emulator Keyboard Configuration

EmulatorJS Keyboard Settings

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    Last updated: 2025-03-11T16:24:13.695Z

    This page is part of our effort to preserve classic video game history. Sonic & Knuckles + Sonic the Hedgehog (World) © Invalid Date Unknown. This online emulation is provided for historical preservation and educational purposes only.