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 Lori's entire skill tree.
Unlocked Rick's entire skill tree.
Assassinate 50 enemies while invisible.
KO'ed 50 enemies with thrown objects.
KO'ed 100 enemies by throwing them against the panel edges.
Completed a full issue without taking any damage.
Earned 75K points in Survival mode.
Sustained a 6x multiplier for 60 seconds.
Defeated the final boss.
Completed 5 Story issues in Co-op mode.
Completed a Story issue in Co-op mode.
Fully upgrade any skill.