Hold Guard or Punch at the "Yes or No" prompt at the character selection screen in Arcade mode. Keep the button held until the match begins. This mode has a different order of the fighters that appear.
Custom Characters in Movie Theater
In the VFTV Movie Theatre, hold left on the d-pad when pressing X to select the Wolf-El Blaze or Eileen demo movies. The movies will now feature your customized versions of those characters.
Demo mode
Select the "VF.TV" option, then choose the "Exhibition Match" selection. At the character selection screen, hold L1 + R1 and press X. If you entered the code correctly, you will hear a sound. The game will now play random matches by itself.
Fight as Dural
Successfully complete Arcade mode with each character to unlock Dural in Versus and Arcade modes. Note: Continues can be used and you do not have to defeat Dural at the end. To select Dural as your character, highlight any fighter on the bottom row of the selection screen and press Down.
Hear the "SEEEGA" theme
Hold the "O" button while the game is loading up. When the screen switches to the "SEGA" logo, you'll hear the tune, "SEEEGA" from the old Genesis console.
Movie Theater custom characters
Enter the VFTV Movie Theater, then hold Left and press X when choosing the Wolf-El Blaze or Eileen demo movies. Any customizations you made to those characters will now appear in the movie.
Perfect Beginner's Combo
This is a good combo for all the beginners that just got this game. Press X, X, X, R2, R2, R2, Down + R2.
Play Route B in Arcade mode
At the character select screen in arcade mode: When you have the option to select Yes/No, press and Hold G or P button until the match start. You will then be playing against other fighters in a different order.
Sega Balloon
In Quest Mode, after clearing the final official tournament "Virtua Fighter World Tournament Finals," a SEGA balloon will now randomly appear on the map screen in Quest Mode. When the balloon appears, enter any arena and begin a fight. The balloon's appearance turns the next 10 consecutive battles into item battles.
Sonic!
In Quest mode in almost every arcade there are pictures of Sonic the Hedgehog. The tournament and arcades that do not have Sonic in them will have SEGA or CLUB SEGA.
Unlock Dural
To unlock Dural for use in VS and Arcade mode, simply beat arcade mode with every character at least once. You do not have to beat Dural.
Unlock the DOJO training stages
To unlock the DOJO training stages you need to complete the TIME ATTACK mode mode that is in command training one time with any character.
When you complete time attack, go into VS mode, select your characters, and then press the controller either up two times or down two times.
If you go up you will get the DOJO without a fence.
If you go down you will get the DOJO with a fence.
Unlocking Costumes C and D
For any character, reaching the rank of 1st Dan in Quest mode will earn you Costume C. By completing any character's first orb disc, you will earn that character's costume D.
Effect - Code
Costume C - Reach the rank of 1st Dan
Costume D - Complete the first orb disc