Brain Test 5 Math Trick

Brain Test 5 Level 65: Light up all numbered tiles.

Brain Test 5 Level 65

Medium

Screenshots

Brain Test 5 Level 65 screenshot 1Brain Test 5 Level 65 screenshot 2Brain Test 5 Level 65 screenshot 3Brain Test 5 Level 65 screenshot 4Brain Test 5 Level 65 screenshot 5
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Quick Answer

Light up all tiles in the 3x3 grid. Light up all tiles in the 4x4 grid. Light up all tiles in the third grid. Light up all tiles in the fourth grid. Light up all tiles in the final 5x5 grid.

Skills Tested

LogicProblem Solving

Step-by-Step Solution

  1. 1) Learn how to light tiles on the small 3x3 grid.
  2. 2) Clear every tile on the 4x4 grid next.
  3. 3) Light up all the tiles on the third grid.
  4. 4) Clear the fourth grid as well.
  5. 5) Finish by lighting every tile on the final 5x5 grid.

Scenes

1 Scene Step 1

Light up the whole 3x3 grid by turning every tile on.

Brain Test 5 Level 65 scene 1 step 1Brain Test 5 Level 65 scene 1 step 2
2 Scene Step 2

Light up all the tiles across the 4x4 grid.

Brain Test 5 Level 65 scene 2 step 1Brain Test 5 Level 65 scene 2 step 2
3 Scene Step 3

Light up every tile on the third grid that appears.

Brain Test 5 Level 65 scene 3 step 1Brain Test 5 Level 65 scene 3 step 2
4 Scene Step 4

Light up all the tiles on the fourth grid too.

Brain Test 5 Level 65 scene 4 step 1Brain Test 5 Level 65 scene 4 step 2
5 Scene Step 5

Light up every tile on the final larger 5x5 grid to finish.

Brain Test 5 Level 65 scene 5 step 1Brain Test 5 Level 65 scene 5 step 2

Hint

Reveal a hint

Learn the move rule on the first grid, then clear each bigger board.

Why It Works

This is a sequence of lights-out boards that get larger each round. The rule for turning tiles on comes from the first small grid, and the same logic carries over to every later one. Because the arrangement changes size, you have to trace a valid path through each map until all the numbered tiles are lit, ending with the final 5x5 grid.

Frequently asked questions

What is the answer to Brain Test 5 Level 65?

Light up every tile on each board: the 3x3 grid, the 4x4 grid, the third grid, the fourth grid, and the final 5x5 grid.

How do I solve Brain Test 5 Level 65?

Follow the same tile rule on every board and clear the grids one by one, ending with the largest 5x5 map.

Why are there so many grids in Brain Test 5 Level 65?

The level teaches the lighting rule on a small board and then repeats it on increasingly large grids so the path logic gets harder.

What is the trick in the final 5x5 grid?

The last board is the largest, so you must trace a longer valid route that lights every numbered tile without missing any.

Is there a video walkthrough for Brain Test 5 Level 65?

Yes, the video walks through clearing the 3x3, 4x4, third, fourth, and final 5x5 boards in order.

How do I avoid getting stuck in Brain Test 5 Level 65?

Master the turning rule on the first small grid, then apply that same logic carefully to each larger board as it appears.