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