100 Doors X Walkthrough Level 11-20 Update

100 Doors X is a puzzle game for iPhone, iPad, iPod, this update for level 11,12,13,14,15,16,17,18,19,20.
All the solution provide detail answers and hints for each level. Please enjoy the game.

100 Doors X Level 1-10 100 Doors X Level 11 100 Doors [...]