Sonic & Knuckles + Sonic the Hedgehog 3 (World)(2.4 MB)

What is Sonic & Knuckles + Sonic the Hedgehog 3 (World)?

This epic Genesis platformer combines Sonic the Hedgehog 3 with Sonic & Knuckles through revolutionary lock-on technology, creating one massive interconnected adventure. Players experience the complete story of Sonic's battle against Dr. Robotnik across Angel Island Zone and beyond, featuring two distinct playable characters with unique abilities.

  • Lock-on Technology Integration
    The only Genesis game to feature physical lock-on capability, allowing players to connect cartridges and combine Sonic 3 with Sonic & Knuckles into a seamless experience
  • Multiple Playable Characters
    Choose between Sonic with his lightning speed and Knuckles with his wall-climbing and gliding abilities, each with distinct gameplay styles
  • Expanded Level Design
    Enhanced versions of zones with new areas and challenges when playing the combined game, plus the ability to play Sonic 2 as Knuckles
Sonic & Knuckles + Sonic the Hedgehog 3 (World)

Why choose Sonic & Knuckles + Sonic the Hedgehog 3 (World)?

Experience the definitive version of Sonic's Genesis adventures with unparalleled content and replay value. The innovative lock-on system creates gaming history while delivering dozens of hours of classic platforming perfection.

  • Ultimate Sonic Experience
    The most complete Sonic adventure on Genesis with the full storyline and maximum character roster in one package
  • Revolutionary Gameplay Innovation
    Witness gaming history with the unique lock-on cartridge technology that set new standards for game connectivity
  • Enhanced Replay Value
    Multiple character paths, secret areas, and the ability to play previous games with new characters gives unprecedented longevity

How to play Sonic & Knuckles + Sonic the Hedgehog 3 (World)?

Master the high-speed platforming and unique movements of Sonic and Knuckles across the vibrant zones of Angel Island

Frequently Asked Questions

Common questions about Sonic & Knuckles + Sonic the Hedgehog 3 (World)