# Spot the Whisker > Two pictures. Spot every change. Two pictures of the same cosy cat room sit side by side. Tap every little thing that changed before the timer runs out. - Genre: Puzzle game for phones, tablets and the web - Price: free to play in the browser and free to download; one small purchase in the app unlocks all 100 rooms in 10 worlds, 2 more Adopt-a-cat slots and no more ads - Adventure: 100 levels in 10 worlds, the first 10 free; plus an endless Classic mode - Players: one player. Play as Buddy, Mochi or Zoe (the maker's own cats), or a cat you adopt and design yourself - Works offline once installed; no account or sign-up needed - Made by Kei Sakai ## How to play 1. Pick your detective. Buddy, Mochi, Zoe or a cat you adopt, magnifying glass at the ready. 2. Compare the pictures. Two cosy cat rooms side by side. Something has changed: a mug, a colour, a cat. 3. Tap every difference. Find them all before the timer runs out. Five wrong taps in a row and it's over. ## Links - [Play Spot the Whisker free in your browser](https://spotthewhisker.com/play/): no download, Classic mode and the first 10 levels - [Trailer on YouTube](https://www.youtube.com/watch?v=rBtdwc24s8w) - [Privacy policy](https://spotthewhisker.com/privacy/) - [Terms of Service](https://spotthewhisker.com/terms/) - [Free Cat Games](https://freecatgames.com/): every free cat game by the same maker, all playable in the browser ## Optional - [Full details: every world, level and feature](https://spotthewhisker.com/llms-full.txt)