Here is a walkthrough to the 100 Doors Android app providing you the correct answers and solution to the second part of the game, levels 21 to 42 (all the current levels available at the moment). Things are getting even more complicated as we advance, and a 100 Doors walkthrough is certainly needed to beat the game. So check out the complete answers in the article below.

100 Doors: Level 21 walkthrough
This is good if you know your horoscope right since these are all zodiac signs and you need to tap them in chronological order. So tap: the bowl with flowing water, the fish, the sheep, the bull, the two faces and finally the big lobster.

100 Doors: Level 22 walkthrough
You need to perform the exact actions to open the door:
1. tap the axe, then the big tree on the door (not the one on the button to the right!) – door should open.
2. Tap the mask, then the pesticide bottle above (or whatever that is) and tap the metal door which should open.
3. Tap the button with people, then the axe, then the door. Tap the tree, then the door. Tap the wooden thing in the upper right corner, then the door again. It should open.

100 Doors: Level 23 walkthrough
You need to tap the symbols from the most under-water to the highest one. So: fish, boat, human, bird, plane, moon.

100 Doors: Level 24 walkthrough
Tap the buttons on the door to have the following: 21 on the top, 13 on the bottom

100 Doors: Level 25 walkthrough
If you count the hours, the answer is 10. So put the hour hand at 10 o’clock and the minute hand at II (10 minutes)

100 Doors: Level 26 walkthrough
All the words spell “oqen” except for one: it’s in the highest row, at the middle (you will notice that the tail of the q is in a different position from the others)

100 Doors: Level 27 walkthrough
Slide over the eyes to shut them all. Then take the key and use it on the door.

100 Doors: Level 28 walkthrough
Simply restart the game three times (use the green arrow button in the lower right of the screen)

100 Doors: Level 29 walkthrough
Touch the bell, then as the devil looks away, take its sword. Then use it and click on the devil 7 times to have it vanish.

100 Doors: Level 30 walkthrough
You need to type the numbers of the previous level, the current one and the next one. So numbers are: 293031

100 Doors: Level 31 walkthrough
Shake your phone so three things fall off from the number 31. Put them on the wheel to the right and drag it (slide your hand on the screen) until the door opens. Click the door and proceed.

100 Doors: Level 32 walkthrough
From the second column (from left to right), tap the 5th symbol from top to down 3 times (it looks like a stick or something). On the forth column, tap the 2nd symbol once (looks like the back wing of a plane). On the first column, tap the 3rd symbol twice (looks like a snake). On the third column, tap the last symbol (bottom one) 4 times. Door will open.

100 Doors: Level 33 walkthrough
Tilt the phone left until a key slides in. Use it to open the door.

100 Doors: Level 34 walkthrough
Tap the stick notes until you have 3 on each of them, then press the red button.

100 Doors: Level 35 walkthrough
We have to sing this time, and it’s pretty tough. I will assign a number in this walkthrough to each of the notes: so the first note to the top left is 1, the next one below is 2, the bottom one is 3. The top right note is 4 and the bottom right one is 5.

We need to press the following sequence: 1, 1, 1, 2, 3, 3, 3, 2, 1, 1, 4, 4, 2, 1, 1, 2, 5. The door opens.

100 Doors: Level 36 walkthrough
Each of the letters mark the first letter of a number, so tap: 6, 8, 8, 1, 5, 10, 8, 9

100 Doors: Level 37 walkthrough
Touch the following animals to light them up: monkey, elephant, cow, donkey, goat

100 Doors: Level 38 walkthrough
Tap the battery from the right and place it to the left spot. Tap the top left button 3 times.
Move the battery to the right and tap the top right button 5 times.
Move the battery left and tap the middle left button 4 times, then bottom button 2 times.
Move the battery left and tap the bottom right button 6 times

100 Doors: Level 39 walkthrough
The lights on the left from top to bottom: red, white, red. Right: red, black, black

100 Doors: Level 40 walkthrough
Using instructions on numbers above door and carpet, press:
1. top left red button, door’s left window
2. left window on the door then middle right red button
3. bottom left red button, left window, right window and top right red button.
4. middle left red button, left window.
5. bottom left red button, right window.

100 Doors: Level 41 walkthrough
Tap the wooden poles as in the screenshot below to make one square bigger than the other (you will also have to tap the remaining wooden piece in the upper left corner):

100 Doors: Level 42 walkthrough
You must tap the guns from the least to the most powerful: old musket in the middle right, handgun, shotgun, uzi, machine gun, ak47 (top right gun), sniper rifle, machine gun with two feet, rocket launcher, vehicle

And there you have it! These are the solutions for the last 20 levels of 100 Doors! If you want help with the first 20 levels, check out the 100 Doors levels 1 – 20 walkthrough here

UPDATE: New levels added, so check out the 100 Doors Levels 43 – 50 walkthrough!

It took me a lot of time to figure out how to complete these levels and to write this walkthrough, so if you enjoyed it, please share it so more people can use it – it would mean a lot to me to know that my work was not in vain!