100 Floors Level 99 Walkthrough Increase the volume on your phone tapping once. Tap the x sign. Tap the = sign. Tap the x sign. Decrease the volume on your phone tapping once. (3+3×4=4×5-5). 100 Floors Level 1 | 100 Floors Level 2 | 100 Floors Level 3100 Floors Level 4 | 100 Floors Level […]