100 Doors Parallel Worlds Level 81 to 90 Walkthrough

100 Doors Parallel Worlds Walkthrough 

Level 81 to 90

Stage 5 walkthrough.

Walkthrough, Solution, Guide, Tips, Hints, and Cheats. 

Your guide to solve 100 Doors Parallel Worlds.

Detailed answers with the full explanations.

If you are stuck, read on!

100 Doors Parallel Worlds Walkthrough Level 81

Square numbers

100 Doors Parallel Worlds Solution Door 81

Hint: Look at the 4 in the top right square.

Hint 2:  Not maths needed.  The answer is simple.

The code will be the top left corner of each square.

Start with top left, then top right, bottom left, bottom right.

So use the keypad and enter 8457 to solve level 81.

100 Doors Parallel Worlds Walkthrough Level 82

6 gears

100 Doors Parallel Worlds Solution Door 82

To solve level 82, you need to get all the gears' arrows to face up.  

A gear will turn silver if correct.

Hint: the middle gear on each side can be dragged up and down.

Solution:

1. Tap the middle left gear twice.  Now middle- and bottom left will be correct.

2. Drag the middle left gear up.

3. Tap the middle left gear about 12 times until middle- and upper left is correct.

4. Drag the middle right gear down.

5. Tap the middle right gear until bottom right is correct.

6. Drag the middle right gear up.

7. Tap the middle gear a lot of times (I think it made 5 revolutions)

 until middle- and upper right is correct.

Door will open.

100 Doors Parallel Worlds Walkthrough Level 83

Up Down Left

100 Doors Parallel Worlds Solution Door 83

Hint: Order is left, down, up.

Slide left from the left arrow.  You will hear a click.

Slide down from the right arrow.  You will hear a click.

Slide up from the up arrow.  You will hear a click and the door will open.

If you do not hear the click, reset the level and start over.

100 Doors Parallel Worlds Walkthrough Level 84

61

100 Doors Parallel Worlds Solution Door 84

You have 2 levers next to the door.

For the number 61, tap the left lever 6 times and the right lever once.

A new number will appear.  Do the same for this number.

There will be four or five numbers then the door will open.

100 Doors Parallel Worlds Walkthrough Level 85

Alien from Mars

100 Doors Parallel Worlds Solution Door 85

Tap the Alien

Use the Alien on his UFO.

Shake your device in order to close the door of the UFO.

(I had to shake from left to right to left)

Press the 3 red buttons to turn them amber.

Press the 3 red buttons again to turn them green.

UFO will take off and the door will open.

Level 85 solved!

100 Doors Parallel Worlds Walkthrough Level 86

Code name EVA-01

100 Doors Parallel Worlds Solution Door 86

Hmmm... I think there is a bug.

The answer to this level is 5200.

But it should be 5220:

The code is EVA-01

Convert EVA to numbers and you get E=5, V=22, A = 1

5221 - 1 = 5220.

100 Doors Parallel Worlds Walkthrough Level 87

6 black buttons

100 Doors Parallel Worlds Solution Door 87

To solve level 87, you need to turn all 6 lights green.

As you turn certain lights green, they will have an effect on others.

Here is a possible solution:

Left top, Left bottom, Right bottom, Right middle.

100 Doors Parallel Worlds Walkthrough Level 88

4 displays with double numbers

100 Doors Parallel Worlds Solution Door 88

This one had me for a while!

The solution is to read the right-half of each screen.  You will get a number fro each.

Order will be top left, top right, bottom left, bottom right.

Code = 5239 

100 Doors Parallel Worlds Walkthrough Level 89

Door with keypad and a button

100 Doors Parallel Worlds Solution Door 89

Press the blue button on the left side.

You will see a chart.

The red line shows movement from A1 to F4

Convert the A and F to numbers then you get 11 64

Use the keypad and exit with code 1164

100 Doors Parallel Worlds Walkthrough Level 90

What is the meaning of life, the universe and everything?

100 Doors Parallel Worlds Solution Door 90

The answer is 42.

Read "The Hitchhiker's guide to the galaxy" by Douglas Adams where he explains the answer in the 4-part trilogy. 

Use the keypad and enter 42 to win level 90.

For a link to the other levels of 100 Doors Parallel Worlds Walkthrough, click here.