Chroma is an abstract puzzle game. A variety of colourful shapes are arranged in a series of increasingly complex patterns, forming fiendish traps that must be disarmed and mysterious puzzles that must be manipulated in order to give up their subtle secrets. Initially so straightforward that anyone can pick it up and begin to play, yet gradually becoming difficult enough to tax even the brightest of minds.

It features:

Have you got what it takes to solve Chroma?


Play Online

If you're looking for a casual browser game which requires no download, you can now play chroma online.

Offering the same challenging levels as the standalone version, this browser puzzle game can be played in any standards-compliant browser.


Alternatively, you can download Chroma to install on your computer:

Chroma 1.20 source code for Linux and other operating systems

Chroma 1.20 for Windows (installer)

To see what's new in the latest version, have a look at the change log.

Play Retro

Play Chroma in 8-bit style on this port to the BBC Micro. Features all twenty one levels and finite undo.

You can play in a browser-based emulator, download a disk image or view the source code.

If you're interested in games for the BBC Micro, you may enjoy these disassemblies of classic games.

Other Games

Chroma can also play levels from two similar games, XOR and Enigma.


Comments and suggestions regarding chroma are always welcome! Email chroma@level7.org.uk

Include the word "chroma" in your subject line to boost your chances of beating the unfortunately necessary spam filter.