This game only highlights how much better Geometry Wars is.
One thing that I really hate about it is its health system. You have a health bar out of 100 and as enemies or their projectiles touch you, you loss health, but your health can be refilled by collecting 'cubes' that are dropped by destroyed enemies drop behind. This is quite similar to the Geoms that enemies drop in GW, except not every enemy will drop a 'cube'. Since your ship have health, the programmers decided that the enemies will have health too! But guess what, after 20 or so hours of GW, I found this very annoying, especially when the enemies don't just have some health, they have enough health to withstand around 20 of your lv 1 bullets before blowing up, which means that if you have 15 enemies surrounding you, it would take you 300 bullets to kill the whole lot of them, and thats not fun by any means.
Instead of bombs, you have a XG meter, when you hold either of of your shoulder buttons, you will unleash a huge shockwave which inflicts huge damage to all surrounding enemies, but this is often useless because you'll drain your XG meter before you know it.
There are bosses as well, but they often have a lot of health and whats more, they RAM YOU! It never hurts them, it will only hurt your ship by A LOT.
When you run out of health, your ship count will decrease by 1, when you run out of all 3 lifes, you will be forced to go back to the previous chapter of the story and complete that once again.
As far as I know, the story is almost non existence and uninspired.
Play this game for its first 3 levels, and never pick it up again.