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