At the title screen, press Square(2), L1, L2, R1, R2, Square(2) to unlock all nineteen hidden generals.
All Shu Generals
At the title screen, press Square, R1(5), R2(2) to unlock all Shu Generals.
Alternate introduction sequence
Successfully complete musou mode with any character.
BGM test option
At the title screen, press R1(2), R2(2), L1(2), L2(2) to unlock the BGM test selection in the options menu.
Edit mode
At the title screen, press L1, L2, R2, R1, L1, L2, R2, R1 to unlock edit mode.
Get Item That Gives Attack +10
In the level He Fei, be on the side of Sun Quan. At one part in the battle, your forces will be flanked by Zhang Liao. Defeat his forces and kill Zhang Liao. When he dies, he will drop a sword that gives attack +10.
Instantly unlock all characters
At the title screen, press Square, R1, Square, R2, Square, R2, Square, R1. For the Japanese version, at the title screen, press Square, Square, L1, L2, R1, R2, Square, Square.
Unlock All Stages In Free Mode
Enter the following at the title screen: Hold on square while typing in R1, R1, L1, L1, R2, R2, L1, L1.
Unlock Cao Cao
Successfully complete musou mode with Xiahou Dun, Dian Wei, Xu Zhu, Xiahou Yuan, Zhang Liao, and Sima Yi.
Unlock Every Shu General
Enter these codes at the Main Menu screen. If correct you will hear cheering: Square, Square, R1, R1, Square, Square, R2, R2.
Unlock Every Wei General
Enter these codes at the Main Menu screen. If correct you will hear cheering: Square, Square, Square, Square, R2, R2, R1, R1.
Unlock Every Wu General
Enter these codes at the Main Menu screen. If correct you will hear cheering: Square, Square, R2, R2, R1, R1, Square,Square.
Unlock Huang Zhong, Ma Chao, and Jiang Wei
Successfully complete musou mode with any member of the Shu Kingdom.
Unlock Liu Bei
Successfully complete musou mode with Zhang Fei, Zhao Yun, Guan Yu, Huang Zhong, Ma Chao, Jiang Wei, and Zhuge Liang.
Unlock Lu Bu in free mode
Successfully complete Stage 2 (Hulao Gate) in musou mode with at least 1,000 KOs.
Unlock Side Selection in free mode
Successfully complete musou mode with at least one member of each kingdom.
Unlock Sima Yi
Successfully complete musou mode with Xiahou Dun, Dian Wei, and Xu Zhu.
Unlock Sun Jian and Sun Quan
Successfully complete musou mode with Zhou Yu, Lu Xun, Sun Shang Xiang, Taishi Ci, Lu Meng, and Gan Ning.
Unlock Taishi Ci, Lu Meng, and Gan Ning
Successfully complete musou mode with any member of the Wu Kingdom.
Unlock Xiahou Yuan and Zhang Liao
Successfully complete musou mode with any member of the Wei Kingdom.
Unlock Zhuge Liang
Successfully complete musou mode with Zhang Fei, Zhao Yun, and Guan Yu.