100 Doors 2 - Level 69

Solution:

1. Ger the blue balloon and put it above the helium tank, and inflate it
2. Get a string and a hook from the box
3. Use the string to tie the balloon and put the hook at the end of the rope
4. Drive the hook inside the hole and you will find the key

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100 Doors 2 [Level 69] - Answer, Cheats, Solution for Android, iPhone, iPad, iPod.
Note: This is "100 Doors 2" by MPI Games

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