Here's links to complete lists for rewards and awards.
http://ahkong.net/amorphous-rewards/
http://ahkong.net/amorphous-awards/
I suggest getting the Reactive Armor reward first (like an extra life). This is to the left of the "special" silver reward. The "easiest award of all" is to press "n" five times quickly while playing!
Quick suggestion about performance issues. I noticed that the glitches were much worse using IE (I couldn't beat boss 5 in storymode for anything because of unrecognized arrow key strokes). Using Firefox, I was able to beat the complete story with little problem. Hope this helps.
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