100 Doors of Revenge Level 77 Walkthrough
pile of balls on right side
a rolling conveyor on top side with 9 wheels
a help guide on door :
red cross for left arrow and green tick on right arrow
100-doors-of-revenge-walkthrough
hint : find out how many wheels the ball pass after it stop

level 77 solution :
press the pile of balls to get 1 iron ball
put it on the conveyor over and over to see :
1. red ball stop on the 3rd wheel
2. red ball stop on the 7th wheel
3. green ball stop on the 5th wheel
4. green ball stop on the 4th wheel
5. blue ball stop on the 1st wheel
6. blue ball rolling
7. blue ball stop on the 8th wheel

now count how many wheels the ball pass ?
1st ball: 6
2nd ball: 2
3rd ball: 4
4th ball: 5
5th ball: 8
6th ball: 9
7th ball: 1

press the left keypad to enter the numbers : 6245891 and open the door
proceed to level 78 by clicking the green arrow

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