Finish 4 substories.

Mod one weapon or piece of armor.

Land 100 head shots with Akiyama.

Defeat 100 zombies.

Achieved the maximum rating (excellent) in one of the musical instrument mini-games.

Cleared the stage, "Quiet Ambition."

Cleared the stage, "Battle of Chibi."

Cleared the stage, "The Struggle for Power."

Obtained all of the available orbs.

Completed a battle in either Campaign Mode or Conquest Mode without taking any damage.

Cleared the stage, "Anti-Dong Zhuo Coalition."

Complete all the tutorials.