Last weekend was presented at Forever 8 party, a multi 8bits platform party for main 8bits scenes, (there are no results yet, checkout for then this evening or tomorrow), the Euskal 8bits compo invitro, as part of the demo compo. Taking the first place. You can download it in  this link.

The invitro has been done by the spanish group: Level 64. Keep it running for a while to see all the effects variations.
To watch it, If you don't have a  Commodore 64 ;) you can used Vice emulator, it is very easy to used; just load the:  .exe X64 and drag the file to emulator window. this is the link to download Vice emulator, that is the link for windows version but you can download a version for a different plattform from Vice's main page  there is even a GP2X version of it.

Greetings, Almighty God/Level 64