100 Doors 2013 Level 31 Walkthrough

1. Tilt your phone/device to the right until the middle bar is gone. Now tilt it to the left until the top and bottom bars are no longer covering the blue tube.

2. Now press the pile of green balls to pick one up. Select it from your inventory and press the top of the blue tube. Now hold your phone/device upright so the ball falls down and hits the red button.

3. Proceed to the next level!

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