Sorry but papers please has a lot of killing where you turn back the sick and the doomed and couple times have to pull out a gun to shoot a terrorist.
+1
Like some others said, any racing game/ civil flight sims/train sims/ boat sims/ farming sims/sports games
KSP
GameDevTycoon
LittleBigPlanet (on PS4.. but still)
RocketLeague (if you dont count exploding other cars as kills)