Reach rank 25.

Complete Mission 7 (Any Difficulty Level)

Complete Mission 6 (Any Difficulty Level)

Complete Mission 5 (Any Difficulty Level)

Complete Mission 3 (Any Difficulty Level)

Kill 1 000 Zombies

Complete Mission 2 (Any Difficulty Level)

Fully Upgrade All Stats Of Any Weapon In Campaign Mode

Complete A Mission Without Dying

Fully Upgrade A Single Stat Of Any Weapon In Campaign Mode

Reach Rank 30 with any Pistol or Akimbo Pistols weapon.

Reach Rank 30 with any Longsword or Dual Short Blades weapon.