Brain Test All-Star Level 439: Unlock the door.
Brain Test All-Star Level 439
Screenshots
Quick Answer
Drag the blue mat away to reveal a key, then use the key to unlock the door.
Skills Tested
Step-by-Step Solution
- 1) Drag the blue mat away from the floor.
- 2) Pick up the key hidden underneath.
- 3) Use the key on the door to unlock it.
Hint
Reveal a hint
Check under the blue mat. A key is waiting there to open the door.
Why It Works
This puzzle is a classic hidden-key routine. The obvious door is locked, but the solution is tucked out of sight under the mat, testing whether you will think to move the floor cover and search beneath it.
Frequently asked questions
How do I solve Brain Test All-Star Level 439?
Drag the blue mat away to reveal the key underneath, then use the key to unlock the door.
What is the answer to Brain Test All-Star Level 439?
Move the blue mat to find the hidden key, then apply it to the door to unlock it.
What is the trick in Brain Test All-Star Level 439?
The trick is that the key is hidden under the blue mat, so you must move the mat before you can unlock the door.
Why do I move the blue mat in Brain Test All-Star Level 439?
The mat covers the key, and the key is the only way to unlock the door, so moving it aside is essential.
Is there a video walkthrough for Brain Test All-Star Level 439?
Yes. The embedded video shows where the key is hidden and how to use it on the door.
How do I avoid getting stuck in Brain Test All-Star Level 439?
Do not search walls or windows. Slide the blue mat away first to reveal the key, then unlock the door.