Click on the Numpad and enter 3 (this number of lit bulbs in the room).
100 Doors Brain Teasers Level 2 Walkthrough
Click on the numpad and enter 10 (the number of pictures in the room).
100 Doors Brain Teasers Level 1 2 3 4 5
100 Doors Brain Teasers Level 3 Guide
Click on the box to open it. Click on the lever inside the box to pick it. Highlight the lever in the vault and click on the lever's place on the left of the door. The handle will get fixed on it. Click the lever to turn it and open the door.
100 Doors Brain Teasers Level 4 Solution
Pick up the brush. Click the brush in the vault and then on the empty canvas on the wall. A picture of a lion will appear. Click the TextPad and enter "LION" to open the door.100 Doors Brain Teasers Level 5 Walkthrough
Click the bottle on the floor. Click the bottle in the vault and then click the water-tap on the wall. The bottle will get filled with water. Click the bottle in the vault and then the fish tank. A key will appear. Take the key and open the door.
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