Brain Test 4 Level 408: Worry wants a purple slime.
Brain Test 4 Level 408
Screenshots

Quick Answer
Merge the green slimes to make blue slimes, then merge the blue slimes to make a red slime. Use two fingers to stretch and split the red slime into two, then merge them to create a purple slime.
Skills Tested
Step-by-Step Solution
- 1) Merge two green slimes into a blue slime.
- 2) Merge blue slimes to make a red slime.
- 3) Stretch and split the red slime with two fingers.
- 4) Merge the two red parts to create purple.
Hint
Reveal a hint
Keep merging, then split the red slime with two fingers to make purple.
Why It Works
The purple shade never appears until you force the merge by splitting. Merging green into blue and blue into red moves you up the scale, and splitting the red into two copies makes the final merge produce purple.
Frequently asked questions
How do I make purple slime in Brain Test 4 Level 408?
Merge green to blue, blue to red, then split the red with two fingers and merge again for purple.
What is the answer to Brain Test 4 Level 408?
Combine slimes to climb from green to red, split the red with two fingers, then merge it to get purple.
What is the trick in Brain Test 4 Level 408?
You must split the red slime into two copies before merging, which gives you enough to make purple.
Why do I need to split the red slime in Brain Test 4 Level 408?
Splitting it with two fingers creates two copies so their merge produces the purple colour you need.
Is there a video walkthrough for Brain Test 4 Level 408?
Yes, the video shows merging into red, splitting it with two fingers, and merging to make purple.
How do I avoid getting stuck in Brain Test 4 Level 408?
Follow the order carefully, because you cannot jump straight to purple without splitting the red slime first.