Crystal Castles is ripping off everyone these days. It seems that, in addition to using an image from someone else's EP cover art, they are also using the beats of some recorded/released chiptune songs. Not only is this a copywrite issue (which gets a little muddy because of the Creative Commons Licensing) but it is also undermining all the hard work of the Chiptune community, which has remained virtually unnoticed by the mainstream for so long.
Apparently, the Chiptune Community / Scene is 100% outraged.
Here are some articles explaining the things that are going on: