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