Pit yourself against atomic physics in Bond Breaker, a new puzzle game based on real nano-scale science.

You start this game in the smallest way possible - as a single proton, without even a single atom to call your own. But with a little luck, and a lot of physical chemistry, you'll grow into an atoms, smash together into molecules, or break apart again using lasers, tunneling microscopes, and heat.

Created by TestTubeGames and scientists at the CaSTL research center at UC Irvine, this is truly the most accurate physics engine to date. After all, what other game is correct down to the atomic level? When you make and break molecular bonds, you’ll encounter real forces and real physics.

This isn’t just simple stuff, either! You'll learn about...

The forces that bind molecules together
How lasers can excite atoms
Why water sticks together into drops
What happens when you heat something up
And much, much more.

Simply put, this is the most fun you can have without buying your own Scanning Tunneling Microscope!

What’s New

Version 2.0.3

This app has been updated by Apple to use the latest Apple signing certificate.

-Bug Fixes

Ratings and Reviews

4.5 out of 5
13 Ratings

13 Ratings

exiledboy ,


...should be done this way. With games.

It would be foolish not make the world an easier place for learning with all this technology that we’ve got.

BondBreakerLover321 ,

Your game’s the best!

Hey there random person scrolling through reveiews! Hey Bond Breaker, I’d love if you would add more elements, like carbon and sulfur. With carbon you could make Co2, and with sulfur you could create H2SO4 (sulfuric acid)! And this is Me, signing out.

HB214 ,

HB214 - Great Game!!!

I really like this game and hope you keep it updated, in addition to adding other elements too. This is really enjoyable! 👍👍

App Privacy

The developer, TestTubeGames, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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