This guide is mapped to “Stop the attacker!” in the checked version. If Level 663 shows another question, use the text and screenshot rather than the number alone.
Last verified: · Verification method · Report a correction
Brain Test: Stop the attacker! answer
If you searched for “Brain Test Stop the attacker!,” this is the matching puzzle. It appears as Level 663 in the checked order. The question is “Stop the attacker!” Its trick depends on how the wording, movable artwork, or screen controls behave.
Brain Test: Stop the attacker! quick answer: Drag the pin out of the grenade held by the attacker to make it explode in his hand.
Step-by-step walkthrough
Read the trick
Before spending a hint, compare the exact wording of “Stop the attacker!” with everything you can tap, drag, or change on screen.
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 pin out of the grenade held by the attacker to make it explode in his hand. 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 663: Drag the pin out of the grenade held by the attacker to make it explode in his hand.
What the dedicated video shows
This short clip shows the exact question “Stop the attacker!,” 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 pin out of the grenade held by the attacker to make it explode in his hand. 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.