All characters
Press Square, Square , L1, L2, R1, R2, Square, Square at the Title Screen
All Shu generals
Press Square, R1(5), R2(2)at the Title Screen
All Wie Generals (American version)
Press Square, Square, R2, R2, R1, R1 at the Title Screen
BMG Test option
At the title screen, press L1(3), R1(3), L2, R2. If you entered the code correctly, you will hear a sound. Choose the ''Sound'' selection at the options menu, then choose ''BGM Test'' to hear all the background music from the game. Press R1(2), R2(2), L1(2), L2(2) at the title screen in the Japanese version of the game.
Edit mode (hard way)
Beat the musou mode with all characters but Dong Zhuo, Diao Chan, Lu Bu, Yuan Shao, and Zhang Jiao to unlock edit mode in the options menu.
Edit Mode (easy way)
Press L1, L2, R2, R1, L1, L2, R2, R1 at the title screen.
Free Mode Side Selection
Press and hold Triangle and press the following R1, L1, L2, R2, R1, L1, L2, R2 at the title screen. A sound should confirm the code.
BGM test option
Press R1(2), R2(2), L1(2), L2(2) at the title screen.
Alternate Intro sequence
Beat the musou mode with any character.
Instantly go to Main Screen
Press Start+Select at any time of the game to instantly go back to the Main Screen.
Restore Health
Pause the game, choose the save option, then resume the game without saving.
Unlock All Characters
At the title screen, press: Square, Square, L1, L2, R1, R2, Square, Square
Unlock Characters (hard way)
Unlock Huang Zhong, Ma Chao, and Jiang Wei
Beat the musou mode with Zhang Fei, Zhao Yun, or Guan Yu.
Unlock Xiahou Yuan and Zhang Liao
Beat the musou mode with Xiahou Dun, Dian Wei, or Xu Zhu.
Unlock Taishi Ci, Lu Meng, and Gan Ning
beat the musou mode with Zhou Yu, Lu Xun, or Sun Shang Xiang.
Unlock Zhuge Liang
Beat musou mode with Zhang Fei, Zhao Yun, and Guan Yu.
Unlock Liu Bei
Beat musou mode with Zhang Fei, Zhao Yun, Guan Yu, Huang Zhong, Ma Chao, Jiang Wei, and Zhuge Liang.
Unlock Sima Yi
Beat musou mode with Xiahou Dun, Dian Wei, and Xu Zhu.
Unlock Cao Cao
Beat musou mode with Xiahou Dun, Dian Wei, Xu Zhu, Xiahou Yuan, Zhang Liao, and Sima Yi.
Unlock Sun Jian and Sun Quan
Beat musou mode with Zhou Yu, Lu Xun, Sun Shang Xiang, Taishi Ci, Lu Meng, and Gan Ning.
Unlock Lu Bu in free mode
Get 1000 KOs at Stage 2 (Hulao Gate) in musou mode
Unlock Diao Chan, Dong Zhuo, Yuan Chao, and Zhang Jiao in free mode
Beat mode with at least one member of each kingdom.
Unlock Side Selection in free mode and BGM test option
Beat musou mode with at least one member of each kingdom.