Rob Hale's bemusingly frantic Waves has just released a demo. It's a three minute burst of the Crunch Time mode, which you can get from Squid In A Box's main site, here. The full game is out soon, and will be $10 either from Squid (DRM free) or via Steam. But in the meantime, you can finally get your hands on the explody colour confusion.
We've been talking, and we think that you should wear clothes
Total coincidence, but we sell some clothes