This guide is mapped to “Stop the monster!” in the checked version. If Level 642 shows another question, use the text and screenshot rather than the number alone.
Last verified: · Verification method · Report a correction
Brain Test: Stop the monster! answer
If you searched for “Brain Test Stop the monster!,” this is the matching puzzle. It appears as Level 642 in the checked order. The question is “Stop the monster!” Its trick depends on how the wording, movable artwork, or screen controls behave.
Brain Test: Stop the monster! quick answer: Drag the eraser from the shelf and rub it over the monster to erase it from the screen.
Step-by-step walkthrough
Read the trick
Read “Stop the monster!” literally, then inspect the words, objects, and screen edges for the trick the first glance may hide.
Important notes
- Keep your finger on the movable item until it reaches the named target; a tap alone may not register.
- Do not add extra actions after the verified answer; many Brain Test puzzles punish an otherwise sensible second move.
- Question order can change after an update, so match the wording and screenshot instead of trusting the number alone.
- Restarting the level restores moved objects and counters if an earlier experiment changed the puzzle state.
Why this answer works
Drag the eraser from the shelf and rub it over the monster to erase it from the screen. The puzzle rewards attention to the exact wording and to objects that can be moved or tapped, not a complicated calculation.
Useful solving habits
- 1Read the prompt literally before applying real-world assumptions.
- 2Test whether text, labels, and decorative objects are interactive.
- 3Use the simplest gesture that matches the verified answer.
- 4Compare the success frame with the screenshot if the result is unclear.
Collectibles and completion
There are no optional collectibles required to finish this puzzle; completing the verified action is enough.
Level 642: Drag the eraser from the shelf and rub it over the monster to erase it from the screen.
What the dedicated video shows
This short clip shows the exact question “Stop the monster!,” the required interaction, and the green completion confirmation. It is embedded through YouTube's privacy-enhanced domain and loads only after you press the button.
What to watch closely
Drag the eraser from the shelf and rub it over the monster to erase it from the screen. Watch the pointer or finger position rather than only the final screen, because the important clue is often which object moves or which word receives the tap.
Quick feedback
Did this clue help you?
Your anonymous Yes or No helps us find walkthroughs that need another check.