Level 6 Pick up the knife and use it on the rope. Pick up the key and use it on the door.
100 Doors 2 Level 7 Walkthrough:
Level 7 Count how many blue, red, green, and yellow parts of glass there are. Code = 3617
100 Doors 2 Level 8 Walkthrough:
Level 8 Tilt your phone to the left, and when the bars are clear of the door, lock them in place by tapping the lock. Do the same for the right side.
100 Doors 2 Level 9 Walkthrough:
Level 9 Press and hold the two fingerprint buttons until the door opens.
100 Doors 2 Level 10 Walkthrough:
Level 10 Tap the fire button and remember where the lasers go: bottom left, bottom right, top left, top right, bottom left, middle right, top left, bottom right, bottom left, middle right