100 Floors Level 20 is also a fairly simple level, all you need to do is follow these simple steps.
Step 1- Move the Sign up
Move the sign up to its left
Step 2- Pick up the screw
Pick up the screw on the floor and place it in the empty space.
Step – 3 Screw it tight
Use a screwdriver to screw it tight and the door will open.
Step – 4 Door Open
Door open. Now you can proceed to the next level, this is one of the initial levels that is hard.
Check out more 100 floors walkthroughs below –