200 Doors Machine Level 7
Just press the music button to beat level 7 and hit the switch so that the room is not dark then hit the door.
Explanation cheats level 8. Select the green circle on the supply and input into the hole in the wall, so much like the moon and hit the door.
Now continue to the Game Doors Time Machine Explanation 9-10, or back to the 200 Doors Time Machine Solution 5-6