There is so much scope and depth here that we could ramble on all day, but Jolt will let you lot figure that out for yourselves when you buy the game. Because we are going to recommend that you do. Space Invaders Extreme is easily one of the best games Jolt has ever played on the DS and it has some competition. As far as DS shooters go, it is king. There is nothing at all on the DS that can touch this if you like moving a space ship around and shooting things. Not even Geometry Wars: Galaxies.