Full list of all 47 Killer is Dead achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Cleared 12 challenge missions.
Unlocked 12 challenge missions.
Ranked AAA executioner on 12 missions.
Cleared 6 challenge missions.
Unlocked 6 challenge missions.
Cleared all missions.
Completed Episode 12.
Increased all Attack and Special skills.
Used "Just Guard" 100 times.
Completed Episode 11.
Cleared all sub-missions.
Completed Episode 10.
Completed Episode 9.
Killed an enemy with an enemy attack.
Cleared 6 sub-missions.
Cleared 3 sub-missions.
Completed Episode 8.
Sliced an enemy upward and finished it in the air.
Completed Episode 7.
Completed Episode 6.
Made Koharu your prisoner in body and soul.
Made Natalia your prisoner in body and soul.
Completed Episode 5.
Completed Episode 4.
Killed an enemy using the "Burst Rush."
Completed Episode 3.
Completed Episode 2.
Completed Episode 1.
Killed 100 enemies using head shots.
Used "Dodge Burst" 100 times.
Increased BLOOD to maximum upgrade level.
Increased HEALTH to maximum upgrade level.
Have a total of $100 million in cash.
Changed costume to Ulti-Mondo.
Collected all female costumes.
Made Scarlett your prisoner in body and soul.
Increased all sub-weapons to maximum upgrade level.
Unlocked all challenge missions.
Cleared all challenge missions.
Ranked AAA executioner on 24 missions.
Ranked AAA executioner on 44 missions.
Received 20 rewards from the beauties.
Cleared all episodes on Normal Mode.
Cleared all episodes on Hard Mode.
Cleared all episodes on Very Hard Mode.
Got revived by Mika 20 times.
Gave a present 50 times or more.