Brain Test 3 Visual
Brain Test 3 Level 305: They found a cave but it's still too cold.
Brain Test 3 Level 305
Expert
Screenshots

Quick Answer
Use two fingers to cover the holes on the cave walls to block the cold wind.
Skills Tested
Observation
Step-by-Step Solution
- 1) Look for the holes on the cave walls.
- 2) Place two fingers over the holes.
- 3) Keep them covered to block the cold wind.
Hint
Reveal a hint
Cold air is getting in through open spots in the cave walls.
Why It Works
Even inside the cave it is cold because there are open holes in the walls letting wind in. Using two fingers to cover those holes blocks the cold wind, making the cave warm enough for them.
Frequently asked questions
How do I warm up the cave in Brain Test 3 level 305?
Use two fingers to cover the holes on the cave walls.
Why is the cave too cold in Brain Test 3 level 305?
Cold wind enters through open holes in the cave walls.
What do I cover with my fingers in Brain Test 3 level 305?
Cover the holes on the cave walls to block the wind.
How many fingers do I need in Brain Test 3 level 305?
Use two fingers to cover the holes at once.
Will the cave stay warm in Brain Test 3 level 305?
Yes, once the holes are covered the cold wind stops.
Why cover the holes rather than build a fire in Brain Test 3 level 305?
Sealing the holes stops the draft, which is the actual cause of the cold.