Stage 4-6. Tap the shining light to get a lighter. Set the brightness to high on your device and use the highlighter around the scene. Eventually you will see the candles on the left. Light the candles with the lighter.
Warning, this level in particular, and this game in general, is probably not suitable for kids. Just letting you know.
Pick up the 5 bottles at the bottom of the screen. Get the letter from the typewriter and the pliers from the floor near the table. There is a plank of wood in the middle too.
Observe the letter to see the code H PH PH PH P… for later. Observe the plank of wood to read SOS.
Now place the colored bottles on the lower right pentagram near the spooky thing. Red in top right. Yellow in bottom right. Green in top left. Blue in right, then purple in bottom left. It should glow green if you placed them correctly. The order is important.
Tap the mummy in the corner and use the pliers on it’s mouth to release the peace. Once opened, get the typewriter letters from inside. Look closely at these letters to see they have numbers.
The final room door code for level 4-6 is then 851216.
Stage 4-7. Pick up the shovel from the top left of the room. Use the shovel on the 4 piles of mud in the room to get 4 cross parts with roman numerals on them.
If you tap on the tombstones you will see numbers. Nerdr.com. 1140, 0345, 1235 and lastly 0230.
Place the cross pieces onto the middle table with the red diamonds aligned. Just as you would expect, no tricks here.
The door code to exit the room is 1035.