What are cats up to at dawn, when nobody's around?

Sneaking around the back alleys? Probably!
Going through garbage cans? Not likely!
Playing ball games? Most certainly!

Join the cats in their favorite midnight ball game: CAT PHYSICS!

The objective is simple -- Pass the ball from one cat to another!

Sound too simple?
Oh, wait... did we mention flip boards, glass windows, trap doors and other obstacles?

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- "Highly Recommended" -- TouchArcade
- "App Store Game Of The Week" -- GamePro
- "Staff Pick" -- AppComments
- "Rated 4.5 / 5" -- GamePro


- "Five-Minute Fixes" -- iTunes US
- "Hot New Games / Physics Puzzlers" -- AppStore


- "Perfect touch controls, wonderful graphics and addictive gameplay."
- "Another unique, fun game"
- "Totally recommend it"

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- 200 clever puzzles to solve (*UPDATE 2019* Now 250 levels)
- Cozy midnight backdrops
- Jazzy background music
- Complete puzzles using different solutions: Increased replay value!
- Donut Games' famous 3-star ranking system
- Game Center support
- Achievements to unlock
- Collectors Icon #22
- And much more...

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Enjoy another Donut Games release!

What’s New

Version 1.28

- 50 LEVELS ADDED! We've gathered them in a new level pack called "Reversed Classics." There are now 250 levels in total.

Thanks to all "Catters" out there for your continued support, comments and ratings. We hope you enjoy these new levels!

Ratings and Reviews

4.8 out of 5
566 Ratings

566 Ratings

Halmeowni ,

Just GET IT !!!

At this game ever since my first iPhone and I still love it to itty bits. When I delete everything else to free up some space, this game is still on the phone. The graphics are absolutely wonderful, really top drawer. The gameplay is just oodles of fun. Overall, this is a delightful, intriguing, and challenging game, if you go for three stars. The original game I insisted on three stars every level before going on to the next, which really stretched out the length of time I was able to play the game. This update, i'm having a lot of fun just going through the levels and then will replay them to get three stars on the ones that I don't get this time. Do yourself a favor and buy this game it's just lovely. Take it from grandma.

Perry the Man ,

This game is awesome and fun

This game is fun and it’s an endless game. Donut Games make great games and I like in the logo when you tap on the game they whisper Donut Games because that is very funny. I love this game because you have to roll a ball to a cat and there are obstacles in it which makes it so much fun but if it did not have obstacles it would just be boring. And I do not like boring stuff so I recommend this game to anybody who sees this review on this game download it it’s a fun game believe me but if you do not want to download this game that is okay I am not forcing you I am just saying.

Ava NB ,


So when I was 3, I got an iPod. I used it all the time. But when it stopped working, I lost everything. Luckily the other day I plugged it in and saw it was charging. Turns out, cat physics was the only app still available at the App Store. So I bought it on my phone for only 1.99 (this was good because most apps cost 2.99 or more) and haven’t stopped playing. Perfect game. I’m already on level 23. I love how the cats just pick up the ball with their tails, too 😂


Donut Games
13.9 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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