Great game dude!:D
I will give the game credit for being something out of the ordinary. It wasn't hard to figure out what how to get the first medal. Well, same for most, it would just be hard to get them. I was confused as to why the high scores were so low. I'm glad to understand now that this is really hard. The sound effects are pretty good.
I really appreciate the colors in this. Everything looks so wonderfully flashy. The title's pretty good too. The sounds get a little repetitive though. The enemies look like the Cool Aid Man.
A pretty fun game. I like the touch of the background and elements changing every time you restart the game. I noticed the gem in the middle would only appear sometimes at the beginning of a game. The difficulty increases pretty fast, and gets to a non-stop point eventually which is thrilling. Greatly enjoyed the game!
I didn't like one thing from the very beginning: the controls. I always preferred arrow keys to move. Could you add something like "swap controls" button?
You know what this reminds me of? Gradius -- a primitive form, though.
The background can conflict with the foreground. Some of the enemies spawn on the very edge of the screen, and it's caused a death or two without realizing that they were there. This is more on the nitpicky side, though.
I'd say if you added more patterns, and enemy designs... possibly a new or different background, this would be a FANTASTIC minimalist game. I don't know if that's what you were going for, though. I like it a lot -- music and concept. The idea of a gem or point giver that spawns at the center of the, er, recoil, adds slightly more of a risk reward type factor, too, which I like.
Nice, ill make some changes.