HD Walkthrough - Genesis - Knuckles in Sonic the Hedgehog 2 | All Emeralds

This playthrough completes the game without taking damage and while collecting all chaos emeralds. This video can be used as a walkthrough as it shows the full game. Knuckles in Sonic 2 is an alternate version of sonic 2 where you play as Knuckles the Echidna. This version of the game can be played by using the Sonic and Knuckles lock on cartridge with the Sonic 2 cartridge. A longplay of the original Sonic 2 can be found here:    • Walkthrough - Genesis - Sonic the Hedgehog...   Game: Sonic the Hedgehog 2 - Sega Genesis / Mega Drive Footage is upscaled to High Definition HD Subscribe for more longplays like this Note that many playthroughs on this channel use savestates, meaning that individual sections are retried until they are error-free for the final video. #Longplay #Playthrough #Walkthrough Playlists of Longplays / Playthroughs by Console NES:    • NES Longplays   SNES:    • Super Nintendo (SNES) Longplays   N64:    • Nintendo 64 (N64) Longplays   GameCube:    • GameCube Longplays   Nintendo Switch:    • Nintendo Switch Longplays   Gameboy:    • Gameboy Longplays   Gameboy Color:    • Gameboy Color (GBC) Longplays   Gameboy Advance:    • Gameboy Advance Longplays   Nintendo DS:    • Nintendo DS Longplays   Sega Master System:    • Sega Master System Longplays   Sega Game Gear:    • Sega Game Gear Longplays   Sega Genesis Longplays:    • Sega Genesis / Megadrive Longplays   PS1:    • PlayStation (PS1) Longplays   PS4:    • Sega Game Gear Longplays