Unlock them!

Details

Unlock the doors one after another!
What is waiting for you behind the door?

How to play:
1. Unlock the doors from the left to the right by tapping the matching key to the keyhole located on the door.
2. Unlock 10 doors.

Rule:
More doors you unlock, more keys are there to chose from.
You are to compete by how quickly you can unlock 10 doors.

Challenge the world record with your best score!