Which cat is different in Level 243?

The orange cat at the upper right is different because it refuses to eat fish.

How do I reveal the different cat?

Drag fish from the plate to each cat and compare which one does not accept it.

No. They are distractions; the difference is behavior, not color.

Brain Test 4 level guide

medium 6 colors

Brain Test 4 Level 243 feeds fish from the table to all five cats, revealing the upper-right orange cat as different because it refuses to eat.

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Leave the brush and paint can alone.
Drag a fish from the plate to the pink cat.
Feed the lower-left orange, lower-center orange, and lower-right gray cats the same way.
Drag the remaining fish toward the upper-right orange cat.
Observe that it refuses the fish and wait for the green check.

Colors in this level:

Orange, Pink, Gray, Brown, Red, White

Board notes 5 details

Layout: Five pink, orange, and gray cats sit below a table holding a plate of fish, with a brush at lower left and a paint can at upper right.
Goal: Compare the cats' reactions to fish and find the only cat that will not eat.
Opening: Drag fish from the plate to the cats one at a time instead of judging their fur colors.
Danger Zone: The brush and paint can are decoys, and coat color does not identify the odd cat because four differently colored cats accept fish.
Mechanics: Feeding exposes a behavioral difference: four cats hold fish in their mouths, while the upper-right orange cat refuses its offer.

Which cat is different in Level 243?
The orange cat at the upper right is different because it refuses to eat fish.
How do I reveal the different cat?
Drag fish from the plate to each cat and compare which one does not accept it.
Do I need the paint and brush?
No. They are distractions; the difference is behavior, not color.