100 Locked Doors Level 55 Walkthrough:
Take a piece of the rock on the left and use it on the full circle picture on the right to loosen it. Shake your phone to make it drop.
Pick it up and place on the white thing in front of the door.
Use the rock on it to break it, then take the broken piece and add it to the other half on the left pillar.
Tap the completed circle to open the door.
Proceed to the next 100 Locked Doors level!
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