Electroplankton is one Nintendo’s unusual DS titles because it’s not really a game. Electroplankton is a music making tool with neon fish.
You can make chiptunes by poking algae-like Electroplankton in BeatNES and create a symphony (or in my case a cacophony) by drawing paths in Tracy.
Since Electroplankton got a limited release it is sort of rare, but soon Nintendo DSi owners will get a chance to pick up a digital version of the game… in pieces. The ten programs in Electroplankton will be sold as separate DSiWare titles, each priced at 200 DSiWare Points ($2). Electroplankton originally retailed for 4,800 yen ($50) so this is a fair deal.