general | June 16, 2026

How do you unlock Sonic 3 and Knuckles on mega collection?

How to unlock

  1. Sonic 3 & Knuckles: Play Sonic the Hedgehog 3 and Sonic & Knuckles twenty times each.
  2. Knuckles in Sonic 2: Play Sonic the Hedgehog 2 and Sonic Spinball twenty times each.
  3. Blue Sphere: Play Sonic the Hedgehog and Sonic 3D Blast twenty times each.
  4. Flicky: Play Dr.

Are there any cheats for Sonic Mega Collection?

Start a game as Sonic and work your way to the first pulley in Mushroom Hill Zone (after the first Sneakers monitor and the first Madmole). Then press the following button combination: LEFT, LEFT, LEFT, RIGHT, RIGHT, RIGHT, UP, UP, UP. If you enter the code correctly, there will be the sound of a chime.

How to unlock debug mode for Sonic 1?

To unlock Debug Mode for Sonic 1, press UP, X, DOWN, X, LEFT, X, RIGHT, UP, X, DOWN, X, LEFT, X, RIGHT, X. After this, hold B and press Start. Once in the game, press A for Debug Mode. At the main title screen, press UP, DOWN, LEFT, RIGHT. Hold B to go to the Level Select and Sound Test screen.

How do you select stages in Sonic Mega Collection?

From there, press and hold the B button and select either Sonic or Knuckles, then press START to choose from that character’s stages. Enter the following button combination on the title screen and begin the game to appear on a Level Select screen: A, B, RIGHT, B, X, UP, DOWN, B, START.

How to get to level select in Sonic 3?

At the main title screen, press UP, DOWN, LEFT, RIGHT. Hold B to go to the Level Select and Sound Test screen. To get to the Level Select in Sonic 3, press UP, UP, DOWN, DOWN, UP, UP, UP after you hear SEGA, but before the main screen shows. (Correction by Don Long )

How do you unlock the other Sonic games?

Log In to add custom notes to this or any other game. How do you unlock the other games? What are the other games and how do you ulock them? The other unlockables games are Sonic 3 & Knuckles, Knuckles in Sonic 2, Comix Zone, Ristar, Flicky, Blue Sphere (the Sonic 3 bonus game), and The Ooze.

What are the other games in Sonic Mega Collection?

What are the other games and how do you ulock them? The other unlockables games are Sonic 3 & Knuckles, Knuckles in Sonic 2, Comix Zone, Ristar, Flicky, Blue Sphere (the Sonic 3 bonus game), and The Ooze. They must be unlocked by “playing” a game a certain amount of times.

Can you play Knuckles in Sonic Mega Collection plus?

The US PS2 version of Sonic Mega Collection Plus (in Sonic and Knuckles) has a glitch where you can play as Knuckles in the Death Egg Zone and in the second-to-last boss against Dr. Robotnik (before the Doomsday Zone).

From there, press and hold the B button and select either Sonic or Knuckles, then press START to choose from that character’s stages. Enter the following button combination on the title screen and begin the game to appear on a Level Select screen: A, B, RIGHT, B, X, UP, DOWN, B, START.