Unlock Lori's entire skill tree.
Use Lori's Assassinate skill to KO 50 enemies while invisible.
Earn 75K points in Survival mode.
Unlock Rick's entire skill tree.
Defeat the final boss in any mode (Story or Co-op)
Complete 5 Story issues in Co-op mode.
Sustain a 6x multiplier for 60 seconds.
Complete a full issue without taking any damage.
Complete any Story issue in Co-op mode.
As Rick, KO 50 enemies with thrown objects.
KO 100 enemies by throwing them against the panel edges
Upgrade a skill for either Rick or Lori.