This stage is the last one in this update, it's quiet difficult to be passed, so read our dooors level 60 solution guide below.
First shoot the balloons with pistol, they will explode and make the clue for this game level is clear
Then drop the door hinges, again use your pistol
Now look at the codes above the door. You can see that there is higher and lower sign, so hit the nails with hammer based on the code above
"dooors level 60"
The answer is like this
from left to right nail
left nail : do not hit, leave it
next nail : hit once
third nail : hit twice
next nail : hit once
fifth nail : hit once
right nail : same as first nail do not hit this nail
Now you can open the door. You have finished dooors level 60 game. Now wait for the update from game developer for new level.