Sonic Gems Collection

Unlock Vectorman and Vectorman 2, and accumulate a total of twelve hours of game play time in Sonic Gems Collection. Then, play Bonanza Bros. at least once, or play a combination of any other games over thirty times to unlock Bare Knuckle.

Immediately after giving the ending hit to Ash, hold Square until the next part of the level starts. Then, intentionally lose all your lives. Choose to continue and Ash will be a selectable character.

Allow a game to idle for over three hours to unlock the "Hints" option in the "Extra" menu.

Successfully complete a level without shooting any targets for a point bonus. Successfully complete a level without using photons for a photon bonus.

Sonic Adventure Intro Video: Accumulate over 24 hours of game play time with over 70 overall games played
Sonic Heroes Trailer: Accumulate over 24 hours of game play time with over 30 overall games played
Sonic's History Video: Accumulate over 24 hours of game play time with over 50 overall games played

Sonic Adventure DX Artwork Set 1: Play Sonic Spinball five times
Sonic Adventure DX Artwork Set 2: Play Sonic Spinball ten times
Sonic Adventure DX Artwork Set 3: Accumulate a total of one hour of game play time in Sonic Spinball
Sonic Adventure DX Artwork Set 4: Accumulate a total of two hours of game play time in Sonic Spinball
Sonic CD Artwork Set 1: Play Sonic CD five times
Sonic CD Artwork Set 2: Play Sonic CD ten times
Sonic CD Artwork Set 3: Accumulate a total of one hour of game play time in Sonic CD
Sonic CD Artwork Set 4: Accumulate a total of two hours of game play time in Sonic CD
Sonic Championship logo: Successfully complete Sonic: The Fighters
Sonic Heroes Movie Artwork Set 2: Play Tails Adventure ten times
Sonic Heroes Movie Artwork Set 3: Accumulate a total of one hour of game play time in Tails Adventure
Sonic Heroes Movies Artwork Set 1: Play Tails Adventure five times
Sonic R Artwork Set 1: Play Sonic R five times
Sonic R Artwork Set 2: Play Sonic R ten Times
Sonic R Artwork Set 3: Accumulate a total of one hour of game play time in Sonic R
Sonic R Artwork Set 4: Accumulate a total of two hours of game play time in Sonic R
Sonic The Fighters Artwork Set 3: Accumulate over 1 hour of game play in Sonic: The Fighters
Sonic The Fighters Artwork Set 1: Play Sonic: The Fighters five times
Sonic The Fighters Artwork Set 2: Play Sonic: The Fighters ten Times
Sonic The Fighters Artwork Set 4: Accumulate a total of two hours of game play time in Sonic: The Fighters
Sonic Vs. Metal Sonic Sonic Screensaver Artwork: Successfully complete Sonic CD

While looking at a Museum picture, press Circle to start a slide show featuring all unlocked pictures.

After unlocking the following pictures, select them in the indicated order to unlock the corresponding bonus. If you entered the code correctly, you will hear a sound.

160 (Chaotix logo from the top): 146, 145, 144, 142, 143
180 (Shape of a GEM): 162, 163, 164, 166, 170, 172, 174, 178
200 (Order pictures appear in the credits): 12, 23, 54, 10, 22, 25, 39, 56
218 through 219 (7 Metal Sonics): 10, 25, 39, 40, 56, 93, 160
220 (8 Sega logos): 18, 106, 118, 136, 137, 138, 139, 140
260 (Fighters CPU order): 5, 4, 9, 8, 3, 6, 7, 2, 10, 11
281 through 285 (6 Holiday): 110, 112, 122, 130, 132, 137
286 through 295: Watch the credits five times
296 through 300: Watch the credits ten times
320: Successfully complete all goals

At the Sonic CD title screen, press Up, Down(2), Left, Right, X.

Successfully complete "Time Attack" mode within 37:27:57. A "D.A. Garden" option will appear to the left of the "RAM Data" option on the main menu. The Planet of Mobius will be displayed.