Note: This game is also titled Sengoku Musou 2.
Successfully complete Musou mode with Oichi to unlock Azai Nagamasa.
Successfully complete Musou mode with Saiga Magoichi to unlock Date Masamune.
Have a saved game file from the original Samurai Warriors on your memory card to unlock Hattori Hanzou. Alternately, successfully complete Musou mode with Fuuma Kotarou.
Have a saved game file from Samurai Warriors: Xtreme Legends on your memory card to unlock Honda Tadakatsu. Alternately, successfully complete Musou mode with Tokugawa Ieyasu.
Successfully complete Musou mode with Honda Tadakatsu to unlock Inahime.
Successfully complete Musou mode with Naoe Kanetsugu to unlock Maeda Keiji.
Unlock all other characters except for Okuni and Mori Ranmaru to unlock Miyamoto Musashi.
Successfully complete Musou mode with Sanada Yukimura to unlock Naoe Kanetsugu.
Successfully complete Musou mode with Toyotomi Hideyoshi to unlock Nene.
Successfully complete Musou mode with Oda Nobunaga to unlock Nouhime.
Successfully complete Musou mode with Saiga Magoichi to unlock Oda Nobunaga.
Successfully complete Single Player Sugoroku mode to unlock Okuni.
Successfully complete Musou mode with Akechi Mitsuhide to unlock Saiga Magoichi.
Successfully complete Musou mode with Ishida Mitsunari to unlock Shima Sakon.
Successfully complete Musou mode with Tachibana Ginchiyo to unlock Shimazu Yoshihiro.
Successfully complete Musou mode with Uesugi Kenshin to unlock Takeda Shingen.
Successfully complete Musou mode with Ishida Mitsunari to unlock Toyotomi Hideyoshi.
Have a saved game file from the original Samurai Warriors on your memory card to unlock Uesugi Kenshin. Alternately successfully complete Musou mode with Naoe Kanetsugu.
Kill all generals yourself on Ina's first stage.
Get 1,000 kills on Keiji's fourth stage, the Battle Of Hasedou, to get his weapon.
Start any stage in Story mode, then create an "Interim Save" and choose "Quit". Select the "Continue" option, then exit the map (Triangle) to go back to the previous screen. Select "Free mode" to cancel your Interim Save, then select a different character then you are using in Story mode. Next, buy any items you want from the shop, then exit the shop and hold Start + Select at the stage selection screen to do a soft reset. You should now have all your gold back and still have the items you bought.