Sustain a 6x multiplier for 60 seconds.

Use Lori's Assassinate skill to KO 50 enemies while invisible.

Upgrade a skill for either Rick or Lori.

KO 100 enemies by throwing them against the panel edges

Defeat the final boss in any mode (Story or Co-op)

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.

Complete a full issue without taking any damage.

Complete 5 Story issues in Co-op mode.

Complete any Story issue in Co-op mode.