Brain Test 4 Level 156: Doctor Worry must make a new concoction according to the formula.
Brain Test 4 Level 156
Screenshots

Quick Answer
Add red to the yellow liquid, then add blue to make it green. Spin the flask in the centrifuge to turn it blue, then add blue again to make it purple.
Skills Tested
Step-by-Step Solution
- 1) Add red to the yellow liquid.
- 2) Pour in blue to turn it green.
- 3) Spin the flask in the centrifuge to make it blue.
- 4) Add blue again so it becomes purple.
Hint
Reveal a hint
Follow the color steps exactly and use the centrifuge.
Why It Works
Each addition changes the mixture, so order matters. Blending red then blue reach green, the centrifuge shifts it to blue, and another pour of blue lands on the purple the formula demands.
Frequently asked questions
How do I make the concoction in Brain Test 4 Level 156?
Add red to the yellow liquid, then add blue to make it green. Spin the flask in the centrifuge to turn it blue, then add blue again to make it purple.
What is the answer to Brain Test 4 Level 156?
Mix red into yellow, pour blue to get green, run the flask through the centrifuge to change it to blue, then add blue once more for purple.
What is the trick in Brain Test 4 Level 156?
The recipe depends on the exact color order, including the centrifuge step, to reach the final purple shade.
Why do I need the centrifuge in Brain Test 4 Level 156?
Spinning the flask is what turns the green mixture blue, which is the required midpoint before it can become purple.
Is there a video walkthrough for Brain Test 4 Level 156?
Yes, the video walks through the color pours and the centrifuge spin that produces the formula’s purple.
How do I avoid getting stuck in Brain Test 4 Level 156?
Stick to the given ordering. The centrifuge has to happen before the final blue pour to reach purple.