Old Stages:
In Quest mode, reach the sixth amusement center, SEGA AREA UPTOWN, and they will be unlocked. During the stage select screen in Vs. mode, press and hold Start button after selecting a stage to play the original Virtua Fighter 4 version of it.

Old Win Pose 1:
In Quest mode, purchase from the shop. During the replay, hold down P + K.

Old Win Pose 2:
In Quest mode, purchase from the shop. During the replay, hold down K + G.

Play as Dural:
In Quest mode, reach the sixth amusement center, SEGA AREA UPTOWN, and purchase from the shop. During the character select screen in Vs. mode, move cursor to the top left empty corner to select Dural. Once purchased, Dural will be selectable by anyone.

Unlock Battle Mode in Options:
In Quest mode, unlock and win all 14 underground tournaments at the Event Square with any character. Once done, the ????? will become Battle Mode, and the settings will only affect the Vs. mode.

Unlock Training Stage 1:
Reach Club Sega Bay Area in Quest Mode to unlock. To select, go to Vs. Mode and move the cursor to the left until it is off the stage list. Then press X to select.

Unlock Training Stage 2:
Reach Sega World South in Quest Mode to unlock. To select, go to the Vs. Mode and move the cursor to the left until it is off the stage list. Then press X to select.

Unlock Training Stage 3:
Reach Club Sega Plant Area in Quest Mode to unlock. To select, go to the Vs. Mode and move the cursor to the left until it is off the stage list. Then press X to select.

Unlock Training Stage 4:
Reach Sega Area Midtown in Quest Mode to unlock. To select, go to the Vs. Mode and move the cursor to the left until it is off the stage list. Then press X to select.

Use New Win Poses:
Purchase new win poses from the shop in Quest Mode. During the replay, hold down P+G and press the D-Pad in different directions to select the poses.

VF1 Character Model:
In Quest mode, purchase from the shop. During the character select screen press and hold P + K after selecting your character. This works in Arcade and Vs. modes only.

VF1 Stage:
In Quest mode, purchase from the shop. During the stage select screen in Vs. mode, move cursor to the top left empty corner to select the VF1 stage. Once purchased, it will be selectable by anyone.