Light the bulb! 
Seems easy? Let's see what we've got:

Input:
– 2 switches (or more in the harder levels)

Output:
– 1 Bulb

The input will be processed through a logic gate.
What is a logic gate? Just a device implementing a boolean function.
What is a boolean function? 
Let me give you an example.

one switch AND the other it's different from one switch OR the other, right?

This was easy.

But "one switch XNOR the other" it's less intuitive.

With Logic Game you will learn logical forms and boolean basics in a pretty fun and straightforward way. Don't forget to challenge your friends!