Here is the full list of all 17 Kick Bastards achievements.
Kick 100 skeletons
Kick 500 skeletons
Defeated the devil and completed the story
Collect everything and get every gold medal
Travel to location unknown for the first time
Travel to apocalypse city for the first time
Kick down your first door
Kick 100 times
Kick 1000 times
Complete every virtual level
Collect all the collectibles and unlocked all the virtual levels
Find two skeletons chatting
Frog, frog, frog
Get run over 10 times by a bus
Do your first grapple
Perform your first slide hop
Perform your first floor kick