Fourth weapons:
Complete the indicated level in Story mode under the Hard difficulty setting with all orange tactical bonuses done to unlock the corresponding character’s fourth weapon:
CHARACTER – FOURTH WEAPON
Ginchiyo – Ishigaki Plains 
Hanbei – Chugoku 
Hanzo – Odawara 
Hideyoshi – Komaki Nagakute 
Ieyasu – Osaka 
Ina – Numata Castle 
Kai – Kasai Osaki rebellion 
Kanbei – Osaka 
Kanetsugu – Hasedo 
Keiji – Hasedo 
Kenshin – Shizugatake 
Kiyomasa – Ishigaki Plains 
Kunoichi – Rescue of Mitsunari 
Magoichi – Hasedo 
Masamune – Hasedo 
Mitsuhide – Yamazaki 
Mitsunari – Sekigahara 
Motochika – Anegawa 
Motonari – Yamazaki 
Muneshige – Sekigahara 
Nagamasa – Odani 
Nene – Odawara 
Nobunaga – Honnoji 
Oichi – Lake Yogo 
Sakon – Sekigahara 
Shingen – Nagashino 
Tadakatsu – Sekigahara 
Ujiyasu – Great Kanto Defense 
Yoshihiro – Sekigahara 
Yukimura – Osaka 
Complete the following levels in Free mode under the Hard difficulty setting with all tactical bonuses done to unlock the corresponding character’s fourth weapon. Note: This includes created characters, but not Takamaru.
CHARACTER – FOURTH WEAPON
Okuni – Kizugawa (Oda side) 
No – Mt. Inaba Castle (Oda side) 
Ranmaru – Honnoji (Oda side) 
Yoshimoto – Mimase Pass (Takeda side) 
Kotaro – Kasai Osaki rebellion (Toyotomi side) 
Takamaru – Curiouser And Curiouser (third Takamaru-only level in Murasame Castle, under Normal difficulty) 
Toshiie – Shizugatake (Hashiba side) 
Katsuie – Tedorigawa (Oda side) 
Yoshimoto Imagawa – Battle of Mimasetouge (Takeda side) 
Created character Sword – Sekigahara (Western Army side) 
Created character Spear – Osaka (Tokugawa side) 
Created character Naginta – Hasedo (Date side) 
Created character other weapon – Komaki Nagakute (Hashiba side) 
Unlockable characters:
Unlock the following characters by performing the corresponding tasks:
CHARACTER – HOW TO UNLOCK
Aya created warrior model – Complete Kenshin Uesugi and Kanetsugu Naoe’s Story modes. This model can only be used in Free/Historical mode and Murasame Castle.
Masanori Fukushima created warrior model – Complete Kiyomasa Kato and Mitsunari Ishida’s Story modes. This model can only be used in Free/Historical mode and Murasame Castle.
Takamaru – Collect 33 Murasame Castle Tanuki under the Normal difficulty.
Murasame castle bonuses:
Unlock the following bonuses by performing the corresponding tasks in Murasame Castle:
BONUS – HOW TO UNLOCK
Murasame Castle Nightmare mode – Complete Murasame Castle. 
Matsukaze mount – Collect all 54 Tanukis statues in Murasame Castle. 
Bear mount – Collect all 54 Tanukis statues in Murasame Castle under the Nightmare difficulty. 
Tengu boots – Complete Murasame Castle. 
Takamaru’s missions – Play Murasame Castle in single player mode and complete the three hidden stages that can only be played as Takamaru. The stages are unlocked after a high number of Tanukis statues are collected.
Kirin gauntlets – Complete “Down The Rabbit Hole” under the Normal difficulty. 
Suzaku armor – Complete “Through The Looking Glass” under the Normal difficulty. 
Takamaru’s fourth weapon, Murasame blade – Complete “Curiouser And Curiouser ” under the Normal difficulty. 
Nova gauntlets – Complete “Down The Rabbit Hole” under the Nightmare difficulty. 
Aurora boots – Complete “Through The Looking Glass” under the Nightmare difficulty. 
Corona armor – Complete “Curiouser And Curiouser ” under the Nightmare difficulty. 
Kunoichi 4th Weapon:
To get Kunoichi’s 4th weapon, you have to play story mode: Rescue of Mitsunari on Hard with Kunoichi. The objectives, (green missions) do not matter but you have to complete all four tactial bonuses, (orange), and then complete the stage and the end you will get the shiranui.
