100 Doors Parallel Worlds Level 80 Walkthrough is shown below with screenshots. The answer is explained in detail in the text. Look at the screenshots for more help. If you only want to look at part of the guide and not cheat, just look at part of the solution. This will help you go to 100 Doors Parallel Worlds Level 81.
1. Pick up the drill and use it on the four hinges on the door.
2. Swipe the left blue button up AND swipe the right blue button down at the same time. The door will open slightly.
3. Shake your phone/device left and right until the door fully opens.