so G.Rev's
Kokuga came out about a week ago, and I'm comfortable recommending it to anyone who likes a good, non-fat schumppy experience. Its tough (but fair) as shit, with scaling difficulty that well alters the stages to make things even more difficult. If this came out on any other system then the 3DS, hell, a 3DS retail game even, it would be getting more attention.

I like it lots. Its better then Nano Assualt, but not nearly as pretty. Which makes it the automatic best option for the whole shooter genre on the system.