Select the "Options" selection at the main menu. Choose "Settings", then "Game", then press L1 + R1.
Battle Mode Option
Unlock and win each of the following underground tournaments in Quest mode at the Event Square: AM2 Cup, Combo Contest, Combo Maniax, Counter Challenge, Hyper Action Battle, Iron Fight, Knockdown Clash, Mirror Match, Seesaw Game, Survival Tournament, Ultimate Battle, Venus Cup, Wall Death Match, and Wrestler's Battle. The "Battle Mode" option will now be unlocked.
Classic Victory Poses
Use a created fighter to reach the level two rank. Hold Punch + Kick + Guard during the replay after winning a match to do a classic victory pose. Use a created fighter to reach the level three rank. Hold Punch + Kick during the replay after winning a match to do another classic victory pose.
Dural's stage in versus mode
Use a created fighter to reach the Emperor or Great Emperor rank to unlock the hangar stage in versus mode.
Fight as Dural
Defeat Dural in in Kumite mode to unlock her in versus mode.
Fight Dural With Glowing Eyes
Reach Dural's stage in arcade mode with a total number of wins with a "9" as the last digit.
Original Stages
Reach the Sega Area Uptown stage in quest mode to unlock the original Virtua Fighter 4 stages. Hold Start at the versus mode stage selection screen while choosing a stage to play the original version.
Sega Introduction
Hold Circle before the Sega logo appears in demo mode to hear the original "Sega," shout.
Training Stage 1 in Versus Mode
Use a created fighter to reach the level one rank to unlock the first training stage in versus mode.
Training Stage 2 in Versus Mode
Use a created fighter to reach the level five rank to unlock the second training stage in versus mode.
Training Stage 3
Reach the Club Sega Plant Area stage in quest mode. Then press Left or Right at the versus mode stage selection screen until the Training stage 3 option appears.
Training Stage 4
Reach the Sega Area Midtown stage in quest mode. Then press Left or Right at the versus mode stage selection screen until the Training stage 4 option appears.
Training Trophy
Finish the trial events in training mode with a created fighter. A small trophy icon will be displayed over your character's health bar.
Unlocking Dural In Kumite Mode
Defeat the boss character Dural, and she will be selectable in Vs. Mode only. Dural's stage isn't selectable, but when you choose to fight as Dural, the stage you fight on will ALWAYS be on her stage.
Virtua Fighter 1 Fighter Mode
Use a character fighter to reach at least the level one rank. Select that fighter, then hold Punch + Kick until the match begins.