Here is the full list of all 19 Sapper - there are Defuse The Bomb Simulator achievements.
Defuse atomic bomb
Reach 6th experience level
Reach 4th experience level
Defuse 10 bombs
Reach 3rd level of perk
Defuse your first mine in the game
Survive 30 minutes without dying
Get flashlight
Defuse your first dynamite in the game
Dismantle 20 objects
Die for a first time
Find THAT way to enter the mayor's office
Collect at least 3 notes
Reach 2nd experience level
Hack something
Defuse your first bomb in the game
Reach 3rd level of all chosen perks
Win without death
Die 5 times in one game