Level 11: Tap the red handle in your inventory and hit the notch above the center door. Then tap the door to open.
Level 12: Tap the left side till they go black, red, red (top to bottom). Then tap the right side till it shows red, white, black. (top to bottom) Finally tap the door to open.
Level 13: Pick up the burning stick in the left torch. Once you have it, turn your device until all of the lights above the door turn green. Once you see all green, tap the door to open. When the door open you will see a spiderweb. To get rid of the web, use the fire stick that you just picked up. Afterwards, you should be able to go through the door.
Level 14: Make the slider mirror the slash above the doors. After the sliders are in place just tap the door to open.
Level 15: Tap the bomb in the lower left hand corner. Once it is in your inventory, tap and place it in front of the door. Next, you have to light the bomb with your fire stick. Once it explodes, you will see a series of arrows. Pull the levels according to the way the arrows are pointing (top to bottom).
Level16: Turn your device till it mirrors the guy on the floor. (upside down) The light will turn green, and you can tap the door to open it.
Level 17: Tap the clocks till the left one reads eleven o’clock, and the right one read seven o’clock. If you get the hands right, the bar above the door will turn green and you can tap the door open.
Level 18: Tap the red left side button quickly several times until the gold ball sticks at the top. This will cause half of the door to open. Repeat the same thing with the right side. This will cause the right side to open as well. Now you are able to go through the door.
Level 19: Slide the right door all the way up until you see an orange ball. Tap the orange ball to grab it and then tap the button. This will turn some of the lights green. Now, slide the left door up until you see the button. Tap the button and this will turn some more lights green. Slide both doors down and then tap the orange ball in your inventory. Finally tap the button at the top of the screen. The ball will be thrown and the button will be pushed. All of the button above the door should be green. The door can now be slid open.
Level 20: Make the right side mirror the right side. Once you have correctly mirrored the sides, the door should now be able to be tapped open.