Brain Test 4 Level 23: Doctor Worry must get some venom for his new medicine.
Brain Test 4 Level 23
Screenshots

Quick Answer
Drag the mouse to the snake to make it bite, releasing venom onto the floor.
Skills Tested
Step-by-Step Solution
- 1) Notice the snake and the mouse on screen.
- 2) Grab the mouse with your finger.
- 3) Drag the mouse over to the snake.
- 4) Let the snake bite and release venom onto the floor.
Hint
Reveal a hint
The snake only releases venom after it bites something. Move the mouse close to it.
Why It Works
This level drives a cause-and-effect action. Bringing the mouse to the snake causes the bite, and the venom that spills onto the floor is the ingredient Doctor Worry needs.
Frequently asked questions
How do I solve Brain Test 4 Level 23?
Drag the mouse over to the snake so it bites, which releases venom onto the floor for Doctor Worry to collect.
What is the answer to Brain Test 4 Level 23?
The answer is to move the mouse close to the snake, let the snake bite, and then the venom spills onto the floor.
What is the trick in Brain Test 4 Level 23?
The venom comes only from a bite. The trick is to drag the mouse to the snake so the snake bites and releases it.
Why do I need to use the mouse in Brain Test 4 Level 23?
The mouse is the bait that makes the snake bite. That bite is what causes the venom to spill out onto the floor.
Is there a video walkthrough for Brain Test 4 Level 23?
Yes. The embedded video shows dragging the mouse to the snake and watching the bite release venom onto the floor.
How do I avoid getting stuck in Brain Test 4 Level 23?
Do not try to take venom by other means. Simply drag the mouse to the snake, let it bite, and collect the venom that falls.