The Sony UNDERGROUND CD #4
Disc #1 Codes
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Bulletin Board: to enter a cool contest screen hold down Triangle and circle and rapidly tap Square.
The Code Book: To see the new look of memory cartridges hold down Triangle and Circle and rapidly tap Square.
The Event Center: To see a cool FMV clip called "where are they now?" hold down Triangle and Circle and rapidly tap Square. Disc #2 Codes
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Resident Evil 2 clip: Press Circle, Triangle, Circle, Triangle.
Our Lady Peace Music Video: Press Circle, Triangle, Circle, Triangle, Square, Circle
Bootleg Video from Twisted Metal 1: Hold Circle and Triangle and rapidly tap Square. Self-Rap
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On the demo selection screen , highlight "Parappa the Rapper" and wait. Eventually the demo will play itself. Hidden Demos
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On the screen where you choose a demo to view, press L1 or R2 and the game you've selected will flip over revealing a code. Enter that code quickly to see the hidden demo. Here's what you'll find:
Porsche Challenge: Circle Circle Triangle - Fighting Force (Playable Demo)
CART World Series: Square Triangle Square - Cardinal Syn Video
Raystorm: Circle Square Circle - Spawn Video
Treasures of the Deep: Square Triangle Circle - Blasto Video
Intelligent Qube: Square Circle Triangle - Tomb Raider 2 Video
Parappa the Rapper: Triangle Triangle Square - Exodus Video
Ace Combat 2: Circle Square Triangle - Crash 2 Video
NFL Gameday 98: Triangle Circle Square - PSX Underground Video
If these are entered correctly you'll hear a happy noise
Dead Rising 2: Fortune City Trailer #1 HD
Zodiac Mania
Mario Game: Mario Star Ride DX
Mario Game: Super Mario Cowabunga!
Also see ...
Bloody Roar
Small fighter: Highlight a fighter on the character selection screen. Then, hold R2 and press X. Small fighter with alternate costume: Highlight a fighter on the character selection screen. Then, hold R2 and press Circle. Large arms: Hold L1 + L2 and select a character. Alternatively, Complete the game on level 4 or higher without using any continues. Big stage: Select survival mode and defeat ten consecutive opponents. Small stage: Complete the game on difficulty level 4 or higher using Greg. No walls in ring: Complete the game on difficulty level 4 or higher using Mitsuko. Invisible walls: Complete the game on difficulty level 4 or higher using Fox. Regenerating energy: Select Bakuryu as a fighter and complete the game on difficulty level 4 or higher. No energy bars: Complete the game on difficulty level 4 or higher using Yugo. Control camera: Complete the game on difficulty level 4 or higher using Alice. Psychedelic mode: Complete the game on difficulty level 4 or higher using all the characters. Disable character lighting: Complete the game on difficulty level 4 or higher using Long. No guard mode: Complete the game on difficulty level 4 or higher using Gado. Shadow mode: Complete the game using all characters. A shadow will appear behind your character when this mode is enabled. Alternate Alice costume: Select time attack mode. Defeat all opponents in under ten minutes. Alice will appear in a school girl uniform. Additional replay views: Hold Select during the winning hit to your opponent for additional replay views. Bonus graphics: Complete the game in arcade mode to view the corresponding character's ending. Press Left or Right to view different scenes.
Small fighter: Highlight a fighter on the character selection screen. Then, hold R2 and press X. Small fighter with alternate costume: Highlight a fighter on the character selection screen. Then, hold R2 and press Circle. Large arms: Hold L1 + L2 and select a character. Alternatively, Complete the game on level 4 or higher without using any continues. Big stage: Select survival mode and defeat ten consecutive opponents. Small stage: Complete the game on difficulty level 4 or higher using Greg. No walls in ring: Complete the game on difficulty level 4 or higher using Mitsuko. Invisible walls: Complete the game on difficulty level 4 or higher using Fox. Regenerating energy: Select Bakuryu as a fighter and complete the game on difficulty level 4 or higher. No energy bars: Complete the game on difficulty level 4 or higher using Yugo. Control camera: Complete the game on difficulty level 4 or higher using Alice. Psychedelic mode: Complete the game on difficulty level 4 or higher using all the characters. Disable character lighting: Complete the game on difficulty level 4 or higher using Long. No guard mode: Complete the game on difficulty level 4 or higher using Gado. Shadow mode: Complete the game using all characters. A shadow will appear behind your character when this mode is enabled. Alternate Alice costume: Select time attack mode. Defeat all opponents in under ten minutes. Alice will appear in a school girl uniform. Additional replay views: Hold Select during the winning hit to your opponent for additional replay views. Bonus graphics: Complete the game in arcade mode to view the corresponding character's ending. Press Left or Right to view different scenes.
Bust-A-Move 4
rcle, X, Square, Circle at the title screen. Character Select: Press Right(2), Triangle, Left(2) at the title screen. Hidden Characters: Press Right(3), Triangle, Left(3) at the title screen.
rcle, X, Square, Circle at the title screen. Character Select: Press Right(2), Triangle, Left(2) at the title screen. Hidden Characters: Press Right(3), Triangle, Left(3) at the title screen.
Spice World
quot;act" prepared. Hidden Messages: Hold the START button and press Circle, Triangle, Triangle, Circle. Now hold Start + Select and press Circle, Circle, Circle, Circle. Also try Triangle, Triangle, Triangle, Triangle and Square, Square, Square, Square. Naked Spice: Hold the START button and press Circle, Triangle, Triangle, Circle. Then, press L1 + L2 + R1 + R2 + Select + Start. New dance moves: Hold Start, press Square, Triangle, Circle, and Triangle.
quot;act" prepared. Hidden Messages: Hold the START button and press Circle, Triangle, Triangle, Circle. Now hold Start + Select and press Circle, Circle, Circle, Circle. Also try Triangle, Triangle, Triangle, Triangle and Square, Square, Square, Square. Naked Spice: Hold the START button and press Circle, Triangle, Triangle, Circle. Then, press L1 + L2 + R1 + R2 + Select + Start. New dance moves: Hold Start, press Square, Triangle, Circle, and Triangle.
Warzone 2100
ring game to skip to next mission. Triangle - Toggle God mode, makes everything invincible. X - Make all items available. R1 - Add structures. R2 - Add units. Up - Toggle super unit strength on and off. Right - Toggle whimpy unit strength on and off. Down - Finish any currently active research. unlimited kills Start a new campaign and go to the third base destroy it get the artifact research it build the flamer "the research" build a team of 5 then find a human then burn him you will notice he wont die and your tanks are getting training submitted by: chris the cheat master
ring game to skip to next mission. Triangle - Toggle God mode, makes everything invincible. X - Make all items available. R1 - Add structures. R2 - Add units. Up - Toggle super unit strength on and off. Right - Toggle whimpy unit strength on and off. Down - Finish any currently active research. unlimited kills Start a new campaign and go to the third base destroy it get the artifact research it build the flamer "the research" build a team of 5 then find a human then burn him you will notice he wont die and your tanks are getting training submitted by: chris the cheat master