Brain Test 4 Drag & Drop

Brain Test 4 Level 99: I want to scare Doctor Worry with a prank.

Brain Test 4 Level 99

Easy

Screenshots

Brain Test 4 Level 99 screenshot 1Brain Test 4 Level 99 screenshot 2
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Quick Answer

Drag the knife to the robot's hand, then pour ketchup on the girl to fake a crime scene and scare the doctor.

Skills Tested

Spatial ThinkingObservation

Step-by-Step Solution

  1. 1) Take a look at the robot, the girl, and Doctor Worry.
  2. 2) Drag the knife into the robot’s hand.
  3. 3) Pour the ketchup over the girl.
  4. 4) The staged scene startles Doctor Worry and ends the level.

Hint

Reveal a hint

Build a scary scene. Hand the robot the knife and cover the girl with ketchup to make it look alarming.

Why It Works

The joke depends on believable props coming together. The knife held by the robot, combined with the dark-colored ketchup on the girl, produces a convincing scare and lets the prank succeed.

Frequently asked questions

How do I solve Brain Test 4 Level 99?

Give the knife to the robot’s hand and pour ketchup onto the girl to fake a crime scene that scares Doctor Worry.

What is the answer to Brain Test 4 Level 99?

The answer is to put the knife in the robot’s hand and splash ketchup on the girl, which creates a fake crime scene that frightens the doctor.

What is the trick in Brain Test 4 Level 99?

The trick is using ketchup to look like blood alongside a knife in the robot’s grip, turning the room into a convincing alarm.

Why do I need the knife and ketchup in Brain Test 4 Level 99?

The knife in the robot’s hand and the ketchup on the girl together make the scene look like trouble, which is what scares Doctor Worry for the prank.

Is there a video walkthrough for Brain Test 4 Level 99?

Yes, the embedded video on this page shows the knife being moved to the robot and ketchup being poured on the girl to scare the doctor.

How do I avoid getting stuck in Brain Test 4 Level 99?

Do not try a simple loud noise. Complete both actions, giving the robot the knife and pouring ketchup on the girl, to finish the prank.