Note: This game is also titled Shin Sangoku Musou 2: Mushouden.
Highlight the "Play" option at the "Opening" screen in the options menu, then hold R1 + L1 and press X. For another ending, hold R2 + L2 and press X.
At the main menu, press R1, R2, L2, L1, Square, L1, L2, R2, R1, Triangle. For the Japanese version of the game, press R1, R2, L2, L1, Square, R2, Triangle, L1 at the main menu.
At the main menu, press L1, Square, Triangle, R2, L1, L2(2), R1, Square, L1. For the Japanese version of the game, press L1, Square, Triangle, R2, L1, L2(2), R1 at the main menu.
At the main menu, press L2, L1, Square, Triangle, L1, L2, R1, R2, L1, L2. For the Japanese version of the game, press Square, Triangle, L1, L2, R1, R2, L1, L2 at the main menu.
At the main menu, press Triangle(2), L1, Square, R1, R2, L1, L2(3). For the Japanese version of the game, press Triangle, L1, Square, R1, R2, L1, L2(2) at the main menu.
At the main menu, press R2(3), L1, Triangle, L2(3), R1, Square. For the Japanese version of the game, press Square, R1, Triangle, L1, Triangle, R2, Square, L2 at the main menu.
At the main menu, press L1(2), R1(2), L2(2), R2(2), Square, Triangle. For the Japanese version of the game, press Square, Triangle(2), Square, L1, R1, R2, L2 at the main menu.
At the main menu, press R1, Square, R1, Triangle, R1, L1, Square, L1, Triangle, L1. For the Japanese version of the game, press R1, Square, L1, Square, R2, Triangle, L2, Triangle at the main menu.
At the main menu, press Triangle, L1, Triangle, R1, Triangle, Square, L2, Square, R2, Square. For the Japanese version of the game, press L1, Triangle, R1, Triangle, L2, Square, R2, Square at the main menu.
Successfully complete the game in Musou mode with any character. Alternate costumes for all characters that belong to the same side will be unlocked. Highlight a person at the character selection screen, then press L2 or R2 to select a new color.
Press Circle to increase the wind as it flutters the level name on the loading screen before a battle. Press X to decrease the wind speed.
When attempting to get the third bodyguard weapons, play the game under the hard difficulty setting or higher on the the Yi Ling Level. Be sure to have your bodyguards strong enough to survive through the entire level. It also may be easier to use the two player trick, where player one is weaker and player two is close to or at maximum.
When attempting to unlock fifth weapons, you must play the game on the very hard difficulty setting.
Play the Yellow Turbans level on the very hard difficulty setting. Go to the bottom right of the map. Without defeating any other generals, defeat He YI, then Zhang Bao in order. Then, wait for the precious item message. The weapon is the Spiked Mace, and its element is lightning.
Play the Chen Du level on the very hard difficulty setting. Go to the bottom left of map. Before Pang Tong is killed, kill the general in the center of the path you may have to go through, another general, then wait for the precious item message. The weapon is the Lighting Spear and its element is lightning and adds +87 Musou.
When at Hu Lao Gate on the very hard difficulty setting in two player mode, kill the officer (Jia Xu) near the top of the screen with one player. This will trigger an event with backup troops appearing faster. When Jia Xu dies, go directly down to Diao Chan and start fighting her. If you wait, Cao Cao or Sun Jian will die. You should have her about half or two thirds killed when the troops show up, so Sun Jian should not die. Yuan Shao's fifth weapon, the Imperial Saber, will appear. Its stats are: Element: Flame, Basic Attack +44, Speed +21, Attack +27, Defense +54, and Arrow Defense +49.
Use the following trick to obtain Lu Bu's third costume, from Dynasty Tactics. Clear all seven Musous (other character). Make sure your original Dynasty Warriors 3 saved game file is loaded. Set the game on the very hard difficulty setting. Enter free mode on Chi Bi, Dong Zhuo's side, using anyone except for Lu Bu. A silver costumed Lu Bu will appear, from Dynasty Tactics. Defeat Lu Bu and Diao Chan to unlock Lu Bu's Dynasty Tactics costume, a special Chi Bi stage, and a new song. To get the Special Chi Bi stage, choose it with L2 or R2, but you have to be on Dong Zhuo's forces If you want to play as the special Lu Bu, highlight Lu Bu at the character selection screen, press L2 or R2 and press Left or Right to select the gray Lu Bu. When the stage starts, the special version of Lu Bu will appear. After you clear the stage with the special Lu Bu, Lu Bu's third costume will be unlocked at the character selection screen when you press L2 or R2.
Get over 1000 combo points in the Combo Mania Xtreme Challenge. This item helps you get combos easier by having the numbers disappear slower.
In order to get the Beast Harness, you must surpass the Speed Demon challenge. The Beast Harness allows you to see the last horse/elephant you rode on in the radar.
In order to get the Combo+ item, you must surpass Diao Chan's record for Combo Mania (1000 combos). Suggested characters to attempt this with are Zang He, Nu Wa, or Zuan Yu.
Play the Nanman level as Zhang Jiao under the very hard difficulty setting. Wait for Zhuge Liang's ambush party to appear. An intermission sequence featuring Zhuge will begin. Defeat Zhuge; do not worry about any of his other officers. The Magic Drum will appear close to the southern-most bridge on top of a small hill. This item raises how quickly your forces gain their morale.
Beat Lu Bu's top score for the Balancing Act (100). This item automatically performs the mid-air evade.
Play the Battle Of Guan Du level. Go to the castle and take out all the officers in the castle. Pause the game to make sure that the officer you kill does not have an officer as a bodyguard. After killing all of the officers, go in the castle. An intermission of you saying "Cao Cao where have you ran now" should play. Once again, make sure all the officers are killed before the intermission sequence. After about fifteen to twenty seconds, the "A valuable item has been discovered" message will appear to the north, next to where Cao Cao can be found in one small area. Note: This is best done with Yuan Shao in Musou mode, on any difficulty setting.
In order to get this item, complete the Iron man Competition with a score over 351 (Zhou Yun recommended) You must complete the Speed Demon, Balancing Act, and Combo Mania competitions. These must be done in the Iron Man competition. The best way to do this is to get Red Hare in the Speed Demon (turn left and look) and rack up the points in the Balancing Act. If you get 100 KOs, you receive 100 points. Keep going past the 100 maximum. Finally, use his combo charge 3, then charge 2, then charge 5, then charge 6, tyen finish with a short Musou (and keep them in the air) in the Combo Mania. Once these three are done and you top the invulnerable Lu Bu, your will receive the item.
To do the double Musou attack in one player mode, your bodyguard has to have full Musou. To tell if he has his Musou bar full, look at your Musou bar. If it is flashing green, it indicates that you and your bodyguard have full Musou. Go near your bodyguard and press Circle. It should show your character and his bodyguard back to back and performing a true Musou attack. This attack is the equivalent of two people doing a true Musou x2 attack at the same time.
To get every player on Musou mode, you must load data from a Dynasty Warriors 3 game. Every time you complete a level in free mode with a character that is not currently in Musou mode, you will get that character in Musou mode. For example, if you complete Siege At Hei Fe Castle with Liu Biu, you will get him in Musou mode.
You may see a small purple flashing question mark in the lower right corner of the screen. In order to complete it, you must create 120,000 Perfect combos or make 999,999 combo in game points. Once you make it one fourth of the way, you will get a purple to yellow question mark. Once you are halfway there, you will get a red question mark. Once you get the full amount, you will receive the Musuo Armor, which allows you to get hit by an arrow and just get the damage without losing your footing.