Warriors Orochi Codes -

Movies:
Complete the indicated task to unlock the corresponding movie.

Credits: Complete any Story mode. 
Introduction: Start any Story mode. 
Sengoku Ending: Complete the Samurai Warriors Story mode. 
Shu Ending: Complete the Shu Story mode. 
Wei Ending: Complete the Wei Story mode. 
Wu Ending: Complete the Wu Story mode. 

Fourth weapons:
Get weapons on stages with three or more stars under the Hard difficulty setting; or any stage under the Chaos difficulty setting.

Last Gaiden stages:
As the indicated faction, complete the listed task in Stage 7 to unlock their Last Gaiden stage.

Sengoku: Get 1,000 KOs.:
Shu: Escape from the burning castle in less than two minutes (all friendly officers as well). 
Wei: Defeat the defected Da Ji in less than one minute. 
Wu: Rescue the Sun family in less than three minutes. 

Bonus characters:
Complete the indicated task to unlock the corresponding character.

Cao Cao: Complete Wei Story Chapter 7. 
Cao Ren: In SW Story Chapter 5-X, rescue the Takeda-Uesugi army within two minutes then escort the horsemen and defeat Cao Ren when he charges. 
Da Ji: Complete all Chapters, including Chapter Chapters. 
Da Qiao: In Wu Story Chapter 5-X. Meet Da Qiao by running up to her before the enemy does. 
Date Masamune: Complete the optional missions in Shu Story Chapter 5. 
Dian Wei: Complete Wei Story Chapter 7. 
Diao Chan: Complete Wei Story Chapter 5 with Diao Chan surviving. 
Dong Zhuo: In Sengoku Story Chapter 4, prevent all money supply troops from reaching Dong Zhuo. 
Gan Ning: Complete Wei Story Chapter 6. 
Ginchiyo Tachibana: Complete Shu Story Chapter 1. 
Guan Ping: Complete SW Story Chapter 1. 
Guan Yu: Complete Shu Story Chapter 7. 
Huang Gai: Complete Wei Story Chapter 5. 
Huang Zhong: Complete SW Story Chapter 1. 
Inahime (Lady Ina): Complete Wu Story Chapter 5. 
Ishikawa Goemon: In Shu Story Chapter 4, break all of Goemon's treasure boxes. 
Jiang Wei: In Shu Story Chapter 2-X initiate and have Jiang Wei's ambush plan succeed. Do this by luring the ambush generals into your main camp. 
Kanetsugu Naoe: Complete SW Story Chapter 7. 
Kotaro Fuuma: In Wu Story Chapter 2-X, defeat him after all supply troops have reached your headquarters. 
Kunoichi: In Wu Story Chapter 4, successfully escort all peasants. 
Ling Tong: Complete SW Story Chapter 5. 
Liu Bei: Complete Shu Story Chapter 8. 
Lu Bu: In all stories Chapter 8, impress Lu Bu by defeating him. 
Lu Meng: Complete Wu Story Chapter 3. 
Lu Xun: In SW Story Chapter 3-X escort Lu Xun to your HQ. 
Ma Chao: In SW Story Chapter 2-X, have all peasants escape and Ma Chao survive. 
Maeda Keiji: In Wu Story Chapter 6, make sure all ally reinforcements are alive and reach Keiji's base before the timer reaches 10 minutes remaining. 
Meng Huo: Complete Shu Story Chapter 4. 
Mitsunari Ishida: Complete Wei Story Chapter 2. 
Mori Ranmaru: Complete Wu Story Chapter 1. 
Musashi Miyamoto: In Shu Story Chapter 6-X. Successfully open the dam by escorting Miyamoto Musashi into it. Defeat Lu Bu and keep all the swordsmen alive. 
Nagamasa Azai: Complete Wei Story Chapter 6. 
Nene: In Wei Story Chapter 3-X. Defeat the two Nene clones within four minutes after their appearances. 
Nouhime: In Wu Story Chapter 3, prevent all messengers from leaving the map. 
Oichi: Complete Wei Story Chapter 6. 
Okuni: Complete Sengoku Story Chapter 3. 
Orochi: Unlock all other characters. 
Pang De: In Shu Story Chapter 3-X, rescue all of the Hojo (yellow) generals. 
Pang Tong: Complete Wei Story Chapter 4. 
Saika Magoichi: Complete Shu Story Chapter 2. 
Sakon Shima: Complete Wu Story Chapter 3. 
Sanada Yukimura: Complete Shu Story Chapter 3. 
Sima Yi: In SW Story Chapter 6-X, foil Sima Yi's strategy by killing the two retreating Orochi generals. 
Sun Ce: Default character for Wu. 
Sun Jian: Complete Wu Story Chapter 7. 
Sun Quan: Complete Wu Story Chapter 7. 
Sun Shang Xiang: Complete Wu Story Chapter 5. 
Tadakatsu Honda: In ALL Stories Chapter 7-X, Impress Honda by defeating him as soon as possible. 
Taishi Ci: Complete Wu Story Chapter 2. 
Takeda Shingen: Complete Sengoku Story Chapter 7. 
Uesugi Kenshin: Complete Sengoku Story Chapter 7. 
Wei Yan: Complete Shu Story Chapter 3. 
Xiahou Dun: Complete Wei Story Chapter 4. 
Xiahou Yuan: Complete Wei Story Chapter 4. 
Xiao Qiao: Complete SW Story Chapter 3. 
Xing Cai: Default character for Shu. 
Xu Zhu: Complete Wei Story Chapter 1. 
Yoshihiro Shimazu: Default character for Shu. 
Yoshimoto Imagawa: In Wei Story Chapter 4-X. Prevent all ploy troops from entering the village. 
Yuan Shao: Complete Shu Story Chapter 5. 
Yue Ying: Complete Shu Story Chapter 2. 
Zhang Fei: Complete Shu Story Chapter 7. 
Zhang He: In Wei Story Chapter 2-X. Rescue Zhang He by running up to him and initiating a conversation. Make sure he does not die in the battle. 
Zhang Jiao: Complete Sengoku Story Chapter 3. 
Zhang Liao: Default character for Wei. 
Zhao Yun: Default character for Shu. 
Zhen Ji: In Wei Story Chapter 6-X. Defeat all magicians that appear in the supply bases and the fake Cao Pi. 
Zhou Tai: Complete Wu Story Chapter 6. 
Zhou Yu: Complete Wu Story Chapter 1. 
Zhu Rong: Complete Shu Story Chapter 4. 
Zhuge Liang: Complete Shu Story Chapter 7. 
Zuo Ci: Complete all four stories.