I rarely have anything positive to say about Asteroid clones, as they never change the formula and usually fall sub-par compared to the original. While I still didn't enjoy this one, I can applaud it's attempt to change the formula.
As you are playing a Gastronaut, naturally you shoot stuff out of your butt. As such, your projectiles come from behind you opposed to the original's in front. Additionally, you can only propel yourself forward (with turning) due to movement via flatulation.
Not to mention they nailed the early 2000's flash look.