Here is the full list of all 18 Gatlin achievements.
Start story mode!
Shoot 1,000 total bullets.
Shoot 1,000,000 total bullets.
Find one of the few rare ways to die from fall damage.
Kill 203 Lisas.
Ignite an explosive with an explosion.
Die.
Die 100 times.
Die 1,000 times.
Die 10,000 times.
Extinguish a lit fuse.
Die at terminal velocity.