India, April 7 -- Brain teasers are more than just fun and games - they stimulate the mind, challenge perception, and keep us on our toes. There are various types of brain puzzles - some are maths-based, some test memory and age-related cognition, while others are purely visual. Among them, optical illusions have carved out a special place, not just for their challenge but also for the way they bend our brains. And if you're a fan of these illusion-based puzzles, a tricky post might just stump you.

(Also read: Optical illusion: Prove you're internet's sharpest observer by spotting hidden snow leopard in 8 seconds)

A brain teaser has caught the attention of internet users, and it involves spotting a cat cleverly concealed in what looks l...