Samurai Warriors Unlockables

Finish Story (Musou) mode with any character, then highlight that person at the character selection screen and press B.

Get a 100% completion with all fifteen default characters and a created character. Then, choose the alternate costume for your character, and all your opponents will also wear their alternate costumes.

To unlock four more models for a created character, train a new general and get any weapon to an attack rating of 55 by the fourth month. Defeat the Strike Ninja that appears to challenges your school, the complete your training. This may be done up to three more times to unlock a total of four new models for your created character.

Finish Okuni's campaign.

If you have 130+ Jump and you select Combo Training, you may encounter Hanzo. If you defeat him you get the rare item, Provisions (Battle Rations or something similar) which revives you from death once in a battle and restores your health to half. This is the only way to get this item.

Do Kenshin Uesugi's story mode. When you get to the Siege Of Gifu castle level, a mission will appear saying to eliminate Keiji Maeda. Do not do this. After you complete the level, you will appear in Gifu Castle. When you reach the fourth level, Keiji Maeda and Nobunaga Oda will be waiting for you. Then, kill Nobunaga Oda to complete the level. When you finish the Showdown At Kawankajima level and the credits end, a screen should appear stating "You have unlocked Keiji Maeda.

When creating a new officer, if your attack strength with any weapon is 68 or higher, Keiji may show up to challenge you if you select Swordsmanship (Melee) training. Keiji is very powerful, and the weapon you fight with is random. If you defeat him, you may get the Reach skill for free.

Finish Hanzo Hattori's and Shingen's campaigns.

Finish any character's campaign.

If you have a high Ranged Attack (over 65) and select Archery, you may be challenged by Magoichi. If you defeat him, your ranged attack weapon becomes a rifle instead of a bow and arrow.