Here is the full list of all 50 Kill The Bad Guy achievements.
Finish Level T666
Make the Bad Guy run 5000 meters
Spill 500 liters of blood
Kill 10 Bodyguards
Make the Bad Guy watch 50 movies
Make the Bad Guy read 50 magazines
Get 60 teeth
Kill the Bad Guy 25 times on the same level
Cut off 50 legs
Kill 25 innocent bystanders
Cut off 15 heads
Dismember the Bad Guy 50 times
Kill the Bad Guy 35 times as he's escaping
Cut off 5 heads
Finish Level DNKTBG
Broadcast a game on Twitch TV
Finish Level Zombies!
Kill 5 cops
Fling the Bad Guy 1000 meters away
Make a pedestrian stop in front of a porn item 25 times
Kill 5 Bodyguards
Kill 10 innocent bystanders
Fail 50 times
Kill a Bodyguard
Get 60 passports
Make the Bad Guy run away 25 times
Cut off 10 legs
Associate 100 items
Kill the Bad Guy 50 times
Kill one cop
Spend 2 hours playing the game
Kill one innocent bystander
Kill the Bad Guy 5 times as he's escaping
Kill the Bad Guy 25 times
Spill 100 liters of blood
Kill the Bad Guy 5 times on the same level
Fail 10 times
Make the Bad Guy run away 10 times
Put a dog on a catapult
Keep hold of the ball for 5 seconds
Kill the Bad Guy over several days
Kill the Bad Guy in one day
Commit your first assassination
Make the Bad Guy run away for the first time
Start the game
Associate 1000 items
Kill the Bad Guy 250 times
Spend 35 hours playing the game
Get 396 stars
Share one image on Facebook