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Cheats for Sonic Classic Collection

Play as Knuckles

  • DS
  • unlock

When you have done the level select cheat go to the Stage Select screen and choose the special zone for playing Blue Sphere. Select Knuckles as your character and start, when you quit and go back to Stage Select and choose a stage, you'll be Knuckles without having to use the Sonic and Knuckles add on.

Slow Motion Mode

  • DS
  • unlock

When playing any level which you have accesed using the cheat menu , pause the game and hold down B. Whilst B is held down , the game will play in slow motion mode.

Hidden Special Stage

  • DS
  • unlock

On the level select menu, play sounds 01, 03, 05, 07. Highlight Special Stage 2 and press A + Start.

Infinite Lives

  • DS
  • unlock

Get up to Launch Base Zone. Sound any of the alarms, so that the Kamikaze birds come after you. Charge up a Super Sonic Dash in between the alarm, but do not let go of the button. The birds will continually crash into you. After about 30 seconds, you will have gained enough points to get an extra life. Continue the process for as many lives as you want.

Frame by Frame

  • DS
  • unlock

When playing a level after enabling the level select cheat, pause the game, then press the C button to advance the game by one frame.

100000 Points

  • DS
  • unlock

Manage to beat a stage at with your time at exactly 9:59 and you'll net yourself an easy 100000 points.

All 7 Chaos Emeralds & Super Sonic

  • DS
  • unlock

To get all 7 Chaos Emeralds without having to complete their Special Stages, first enter the level select and sound test code. Go to the Sound Test and play the following tunes in order: 02, 04, 05, 06. You will hear an emerald sound if the code is entered correctly. To get Super Sonic after entering the previous code, just select any level from the level select and start it. Once you acquire 50 Rings, do a double-jump to become Super Sonic.

Walk Thru Walls

  • DS
  • unlock

In the Icecap Zone Act 1, when you come to a wall that only Knuckles can bust through, Hold the Down button until sonic or tails looks down, and the screen pans all the way down. Then Press up and jump at the same time. The screen will start to rotate, walk in the direction of the wall and you will walk right thru it. This only works on Act 1 of The Icecap Zone.

Sprite Show

  • DS
  • unlock
Your character will show you all of his sprite animations Hold B and press C
Your character will stop the sprite show if it is activated Hold B and press C again

Sonic and Knuckles Mini-Boss Music

  • DS
  • unlock

Make your way to the end of Act 1 of Hydrocity Zone (Zone 2). When facing the mini-boss, keep yourself underwater until the water warning music plays. Then jump out of the water. 

The game should now be playing the mini-boss music from Sonic and Knuckles, which wasn't out at the time (the music was evidently included in Sonic 3 to make the backwards compatibility feature easier).