floor 82 100 floors
pick up knife from inventory - tap to the hole to pickup dragon eye - place it to left circle (on the door) - rotate it to 9 oclock while the for right one just rotate it to 4 oclock. then pickup the knob and put it to the place which is on bottom right of the door. tap and hold the knob. that's for 100 floors level 82
Floor 83 100 floors
There are shapes with different color you have to relocate, follow the hints belowfirst row from left to right : shape with color grey - purple - blue
second row : white color - red color - orange color
third row : yellow color, That's for 100 floors level 83
Floor 84 100 floors
Listen the sound carefully,with 3 of your fingers, tap Blue button + Red button + Blue button
tap red button
with 2 fingers, tap BLUE buttons
with 3 fingers, tap Blue button +Red button +Blue button
that's for 100 floors level 84
For next level answer go here : floor 85 100 floors
Hope this answer for hoe to beat floor 82 100 floors until floor 84 are useful.