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 100 bombs.
Defuse all bombs in the "Challenging" section.
Defuse all bombs in the "Needy" section.
Defuse all bombs in the "Moderate" section.
Disarm 100 modules.
Disarm each type of module at least once.
Defuse all bombs in "The Basics" section.
Defuse "The First Bomb".
Defuse all bombs in the "Extreme" section.
Defuse all bombs in the "Exotic" section.