This is a video of me, Tasselfoot, getting 622 on the game 99 Bricks, which is good enough for the Hard badge on Kongregate.
If you follow the strategy in this video (plus a little luck), you'll be able to get 600+ as well!
Game: http://www.kongregate.com/games/WeirdBeardGames/99-bricks/?referrer=Tasselfoot
Music: Another Brick In The Wall Parts 1, 2, and 3 by Pink Floyd