it's really good, however, I noticed a braking point: once the number of spawning enemies starts to rise, you can just corner up somewhere and combo kill to replenish any energy lost from enemy fire, wich makes moving around unnecesary, you may want to look into it (maybe by  depleting energy rapidly if you stay still for too long , I don't know)

Well, I reached 1188 before I was bored and got myself killed.

All in all it is a very fun game. Even though I was never really in any danger to die, it was still fun to combo kill the enemies. Even though I would have  liked some sort of visual key for destroying more than one enemy. Like flashing text ala "Double Kill" or "Triple Kill". With that I would also try to gain a even bigger combo, just to find out if there was a bigger one to achieve.

The Controls were fluid and I liked the little jiggle, the little foots of the sprite made. Loading up the cannon was a good feeling and didn't feel slow.

The only thing that felt out of place and that I never used was the slow effect. It just doesn't make sense in this game, if there is no way for me to move faster than normal or to somehow line up the enemies.

But overall, good entry!