Brain Test All-Star Level 637: Feed each fish once.
Brain Test All-Star Level 637
Screenshots

Quick Answer
Drag the food ring to each of the four fish one by one so that every fish eats it once.
Skills Tested
Step-by-Step Solution
- 1) Grab the food ring.
- 2) Drag it to the first fish and let it eat.
- 3) Move it to each of the remaining three fish so all four eat once.
Hint
Reveal a hint
Share the single food ring with all four fish, one at a time.
Why It Works
The catch is that one food ring has to feed the whole group. Dragging it to each fish in turn lets every one of the four eat once, which is exactly what the level asks for.
Frequently asked questions
How do I feed every fish in Brain Test All-Star Level 637?
Drag the food ring to each of the four fish one by one so every fish eats it once.
What is the answer to Brain Test All-Star Level 637?
Move the single food ring to all four fish so each one gets to eat once.
What is the trick in Brain Test All-Star Level 637?
There is only one food ring, so you must carry it around to feed all four fish.
Why do I move the food ring in Brain Test All-Star Level 637?
The ring is shared, so dragging it to each fish is the only way to feed the whole group.
Is there a video walkthrough for Brain Test All-Star Level 637?
Yes. The embedded video shows dragging the food ring to all four fish.
How do I avoid getting stuck in Brain Test All-Star Level 637?
Do not feed the same fish twice; visit all four fish before the level clears.