Yah I dislike it.
The one dude with the really detailed post made this sound like a real turd. It's not a turd for sure. It's a fairly decent arena shooter with some issues. The things I didn't like were: continue from battle rather than from shop, although the continue system was pretty lenient in letting you keep all your money, it meant you were kinda fucked if you didn't buy the right stuff.
I really hated the confusion ray boss. As the guy below pointed out correctly, you only have to be in the general vicinity of the ray to get hit, and once you get hit once it's pretty much lights out, since there's no way of knowing when it's gonna switch back, and everything is flashing manically in a way that could bring someone out of a coma directly into an epileptic fit, and give them a heart attack at the same time.
And srsly, left handed people, quit whining. You have 3 reasonable options if you don't like the control scheme. Learn to be right handed like I did even though I was born left handed, don't play the game, or -gasp- move the fucking keyboard so you can press the wasd keys with your right hand. It isn't motherfucking rocket science. Whining is not a reasonable option. And anyway, you'd still have to press 1234 to select weapons, so arrow keys wouldn't help much with that.