Warriors Orochi 2 Cheats

Character Unlocking-Samurai 2
Azai Nagamasa: Clear Wei Chapter 6-Battle of Yamatai
Ishida Mitsunari: Clear Wei Chapter 7-Battle of Tong Gate
Nouhime: Clear Samurai Chapter 6-Battle of Hu Lao Gate
Toyotomi Hideyoshi: Clear Samurai Chapter 6-Battle of Hu Lao Gate

Character Unlocking-Samurai 3
Fuma Kotaro: Clear Orochi Chapter 1-Battle of Odawara Castle
Gracia: Clear Wei Chapter 4-Battle of Mt. Wu Xing
Maeda Toshiie: Clear Wei Chapter 4-Battle of Ji Castle
Naoe Kanetsugu: Clear Samurai Chapter 3-Battle of Hasedo
Nene: Clear Shu Chapter 4-Battle of Mt. Wu Xing
Sasaki Kojiro: Clear Samurai Chapter 2-Battle of Ji Province
Shibata Katsuie: Clear Wei Chapter 7-Battle of Tong Gate

Character Unlocking-Shu
Jiang Wei: Clear Wei Chapter 3-Battle of Shizugatake
Ma Chao: Clear Wu Chapter 6-Battle of Yang Ping Gate
Pang Tong: Clear Wei Chapter 5-Battle of Komaki-Nagakute
Wei Yan: Clear Shu Chapter 2-Battle of Saika
Yue Ying: Clear Shu Chapter 6-Battle of Odani Castle
Zhao Yun: Clear Shu Chapter 2-Battle of Saika
Zhuge Liang: Clear either Shu Chapter 6-Battle of Odani Castle or Orochi Chapter 2-Battle of Cheng Du

Character Unlocking-Wei
Cao Pi: Clear Wei Chapter 5-Battle of Komaki-Nagakute
Cao Ren: Clear Wei Chapter 5-Battle of Komaki-Nagakute
Pang De: Clear Wu Chapter 5-Battle of Okehazama
Sima Yi: Clear Samurai Chapter 4-Battle of Chang Ban
Xiahou Dun: Clear Wei Chapter 2-Battle of Si Shui Gate
Xiahou Yuan: Clear Wei Chapter 2-Battle of Si Shui Gate
Xu Zhu: Clear Wu Chapter 5-Battle of Okehazama
Zhang Liao: Clear Shu Chapter 5-Battle of Jia Meng Gate
Zhen Ji: Clear Wei Chapter 5-Battle of Komaki-Nagakute

Character Unlocking-Wu
Da Qiao: Clear either Wu Chapter 4-Battle of Itsukushima or Orochi Chapter 4-Battle of He Fei
Gan Ning: Clear Samurai Chapter 5-Battle of Liang Province
Lu Meng: Clear Samurai Chapter 5-Battle of Liang Province
Lu Xun: Clear Shu Chapter 3-Battle of Nagashino
Sun Ce: Clear either Wu Chapter 4-Battle of Itsukushima or Orochi Chapter 4-Battle of He Fei
Taishi Ci: Clear Wei Chapter 3-Battle of Shizugatake
Xiao Qiao: Clear Wu Chapter 2-Battle of Kanegasaki
Zhou Yu: Clear Wu Chapter 2-Battle of Kanegasaki

The 4th weapon
Beat any star stage in chaos mode or beat 3 stars or above in hard mode.

Unlock 3rd costumes
Unlock other costumes for characters. They are usually older costumes as used in previous games.

Unlocking Characters
Shin Orochi: Complete Dramatic Mode

Unlocking Dramatic Mode Stages
These are stages that you can unlock and the way to unlock them:

Stage 1: Have three characters at 50 Proficiency
Stage 10: Initially selectable
Stage 11: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 12: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 14: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 15: Clear Wei's Story Mode, then unlock the three characters involved
Stage 16: Have three characters at Level 99
Stage 18: Have three characters at Level 99
Stage 19: Initially selectable
Stage 2: Have three characters at 50 Proficiency
Stage 20: Get everyone to Level 20
Stage 21: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 22: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 23: Initially selectable
Stage 24: Sum of all character levels equals 910 or more
Stage 25: Clear 30 stages in story mode
Stage 26: Sum of all character levels equals 3,640 or more
Stage 27: Sum of all character proficiency levels equals 2,730 or more
Stage 28: Clear Orochi final chapter
Stage 3: Clear 45 Story or Dramatic Mode Stages
Stage 7: Unlock the three characters involved in the stage (easy if you complete all 5 Stories)
Stage 8: Collect all treasures
Stage 9: Clear Wei Stage 7

Wallpaper Edit
Play as all characters (Select characters then complete a stage, repeat.) and it will be unlocked on the Gallery Menu.

Wallpaper Edit: Play all characters (except V.S. Mode only characters)