Brain Test 4 level guide
Brain Test 4 Level 324 Walkthrough
Brain Test 4 Level 324 fixes the machine by dragging the small gear from the upper-left shelf into its open internal gear train.
If the player asks you to sign in, open the video on YouTube instead.
How to Solve Brain Test 4 Level 324 — Full Solution
- Locate the small grey gear beside the large gear on the upper-left wooden shelf.
- Press and drag that small gear down into the open gear train inside the bottom machine.
- Release it between the large lower-left gear and the existing central gears.
- Leave the large shelf gear and the loose gear pair beside Doctor Worry untouched.
- Wait for the lightning symbol to turn yellow, the pizza to move into the machine, and the completion dialogue.
Colors in this level:
Gray, Brown, Orange, Black, White, Red, Yellow, Green
Common Mistakes to Avoid
- Dragging the large gear from the upper-left shelf instead of the small gear.
- Using either loose gear beside Doctor Worry.
- Dropping a gear into the lightning-marked power box rather than the machine housing.
- Trying to move the pizza manually instead of waiting for the repaired machine.
Quick Tips for Brain Test 4 Level 324 (quick clues)
- Use the small gear from the upper-left shelf.
- Release it inside the bottom machine between the large left gear and central gears.
- Leave every other loose gear in place.
- Wait for the yellow lightning icon, empty pizza tray, and result dialogue.
Board notes 5 details
- Layout
- Doctor Worry holds a pizza tray at center; a lab-coated assistant stands lower left; a wired machine with an internal gear train fills the lower right; loose gears sit on an upper-left shelf and beside Doctor.
- Goal
- Repair the machine by supplying its missing small gear.
- Opening
- Identify the small gear meshed with the large gear on the upper-left wooden shelf.
- Danger Zone
- The large shelf gear, the loose gear pair beside Doctor Worry, the lightning box, and the pizza are not the repair target.
- Mechanics
- Dragging the correct small gear into the machine's open lower gear train powers the machine and moves the pizza into its housing.
Frequently Asked Questions
Which gear fixes the machine?
Drag the small gear from the upper-left shelf; leave its large meshed partner alone.
Where should I release it?
Release it inside the lower machine's gear train between the large left gear and the central gears.
What happens after the gear is placed?
The lightning icon turns yellow, the pizza leaves Doctor Worry's tray, and the pizza appears inside the machine.
What happens to Doctor Worry's pizza after the repair?
The pizza leaves his tray and enters the machine housing once the gear train is complete.