Here is the full list of all 10 Keep Talking and Nobody Explodes achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Defuse "The First Bomb".
Defuse all bombs in "The Basics" section.
Defuse all bombs in the "Moderate" section.
Defuse all bombs in the "Needy" section.
Disarm each type of module at least once.
Disarm 100 modules.
Defuse all bombs in the "Challenging" section.
Defuse all bombs in the "Extreme" section.
Defuse all bombs in the "Exotic" section.
Defuse 100 bombs.