Brain Test 4 Level 166: Astrodog crashed on the Moon. he must send a signal to the Earth.
Brain Test 4 Level 166
Screenshots

Quick Answer
Drag and combine all the stars in the sky to create a giant, bright star that signals Earth.
Skills Tested
Step-by-Step Solution
- 1) Look up at the scattered stars.
- 2) Drag one star toward another.
- 3) Combine them one by one.
- 4) Form one giant bright star as the signal.
Hint
Reveal a hint
Merge every star in the sky into one big star.
Why It Works
A single tiny star would not carry far enough. Stacking all the stars into one bright beacon makes the light strong enough to reach Earth and count as the signal.
Frequently asked questions
How do I send the signal in Brain Test 4 Level 166?
Drag and combine all the stars in the sky to create a giant, bright star that signals Earth.
What is the answer to Brain Test 4 Level 166?
Merge every star in the sky into one huge bright star that Earth can use as a signal.
What is the trick in Brain Test 4 Level 166?
The stars are parts of one beacon. Combining them all builds the single bright signal that reaches Earth.
Why do I need to combine the stars in Brain Test 4 Level 166?
Only the giant merged star glows strongly enough to send a visible signal all the way to Earth.
Is there a video walkthrough for Brain Test 4 Level 166?
Yes, the video shows every star being dragged together to form one bright beacon for Earth.
How do I avoid getting stuck in Brain Test 4 Level 166?
Make sure not to leave any star uncombined. Every one must join to build the final bright signal.