Escape Through Elevator Level 28 Walkthrough:
Tap the white keypad and change all the squares to green.
Tap a square to change the ones above, below, and to the sides.
Tap them in this order:
Row 1 Column 2 and 3
Row 2 Column 1 and 2
Row 4 Column 2
Proceed to the next Escape Through Elevator level!
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