The game is in alpha release and is currently free to play.
This is a 40MB download for both Windows 32-bit and 64-bit Linux (built with OpenSUSE 12.3). Let us know if they don’t work for some reason. Unzip the archive to somewhere and run. No installation required!
Pre order Burnt Islands:
By purchasing this you will get access to the full game when it’s done (and all beta versions and all upgrades to the full version). Current price is $5 USD. When the game enters the beta stage the price will increase.