They fit the game nicely and aren't overly flashy.
Sounds suit the game nicely, again nothing overly flashy.
Downloadable levels and level editor could extend it some beyond a couple of weeks. But adding a puzzle element is relatively new. Those people wanting a nice simple blast, or anyone who enjoyed SubSpace. No bugs apparent, if you exclude the whole split screen thing. Kris Evans Back a few years ago, a game called Subspace came out that caused a small rumbling in the online gaming world.