Digital Escape Metal Doors Level 10 Walkthrough
1 picture on left
2 pictures on right upside down : elephant and tree
hint : tilt your phone upside down to reveal the numbers

digital escape steel doors stage 10 solution :
like the painting on the right, rotate your phone upside down
the right picture will move and reveal the numbers : 5590
press keypad to enter the password code
open the door and proceed to level 11