Scratch

Here it is

1.go to the right.
2.pick up the ID card.
3.go back.
4.go the left.
5.insert the id card.
6.press the red button.
7.wait a few seconds
8.click the exit
9.go down more.
10.pick up the acid.
11.pour the acid on the blocked exit.
12.click the exit.
13.how sad...you used the walkthrough...AGAIN!!!!