Here is the full list of all 38 It's Killing Time achievements.
Find an extreme kill
Hidden
Finish the game with righteousness meter full
Finish the game with ruthlessness meter full
Finish the game with over $150,000
Finish the game with less than $20,000
Find and select all psychotic choices
Finish the game with dedication meter full
Finish the game with passion meter full
Finish the game with greater than 30 improvisation skill level
Finish the game with greater than 30 intelligence skill level
Finish the game with greater than 30 strength skill level
Finish the game with greater than 30 ranged weapons skill
Perform all the extreme kills
Finish the game with loved meter full
Finish the game with feared meter full
Visit the land of the rising sun