Brain Test 3 Level 25: Help Gundolf to arrange the three symbols correctly.
Brain Test 3 Level 25
Screenshots

Quick Answer
Turn off the lamp to reveal the third symbol (pentagon) in the book, then set the cards to triangle, square, and pentagon.
Skills Tested
Step-by-Step Solution
- 1) Turn off the lamp so the book is readable.
- 2) Read the book to reveal the third symbol: pentagon.
- 3) Set the cards to triangle, square, and pentagon to match the sequence.
Hint
Reveal a hint
Turn off the lamp to read the missing symbol in the book.
Why It Works
The third symbol reads as a hidden clue rather than a guess. Turning off the lamp reveals the pentagon written in the book, and matching the cards to triangle, square, and pentagon aligns them with the revealed sequence to complete the puzzle.
Frequently asked questions
How do I solve Brain Test 3 level 25?
Turn off the lamp to reveal the pentagon in the book, then set the cards to triangle, square, and pentagon.
What is the answer to Brain Test 3 level 25?
Switch off the lamp, read the pentagon clue for the third symbol, and arrange the three cards accordingly.
What is the trick in Brain Test 3 level 25?
The third symbol is invisible until you turn off the lamp, so you must dim the light to read the book clue.
Why is turning off the lamp needed to arrange the symbols in Brain Test 3 level 25?
The lamp's glare blocks the book, so switching it off reveals the missing pentagon that completes the sequence.
Is there a video walkthrough for Brain Test 3 level 25?
Yes, this page embeds a video that turns off the lamp and then sets the three cards in order.
How do I avoid getting stuck in Brain Test 3 level 25?
Turn the lamp off first, note that the third symbol is a pentagon, then place triangle, square, and pentagon.