When you begin level 78 on 100 floors, you will see 4 cubes in the middle of the door and some blocks on the ground. Each of these blocks can change colors at your tap and there is also a green block with a question mark. From the wall of floor 78 you will notice that there is also matching colors and a question mark. The required colors on this floor is Brown, Green, Blue, Red, White, and Black.
Your task on this 100 floors stage is to try to match the 3D image into a 2D image of the cube that is not built. To do this you must imagine yourself building a cube using paper and figure out which block will end up as the cube look on the door on 100 floors: level 78. For your convenience the solution and diagram to floor 78 is created to you by us below. Simply follow the colors by tapping on the squares and the door on floor 78 will unlock to floor 79 in your 100 floors game!