3 Funny games to defuse the bomb...

Game 1:

Try to find out the right code and defuse the bomb.
You have only one minute to do this, so you better hurry.. (mathematic skills needed!)

Game 2:

Cut the right wires nin the right order and defuse the bomb... (you have only few seconds to do this)

Game 3:

Get the voltage of the fuse to 0 and defuse the bomb. (mathematic skills needed!)