Full list of all 12 Unbound Saga achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Unlocked Rick's entire skill tree.
Unlocked Lori's entire skill tree.
KO'ed 50 enemies with thrown objects.
KO'ed 100 enemies by throwing them against the panel edges.
Earned 75K points in Survival mode.
Defeated the final boss.
Completed 5 Story issues in Co-op mode.
Assassinate 50 enemies while invisible.
Sustained a 6x multiplier for 60 seconds.
Fully upgrade any skill.
Completed a Story issue in Co-op mode.
Completed a full issue without taking any damage.