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