2009's best under-the-radar games

It's a rare occurrence nowadays, but every once in a while, a game you've never even heard of comes along and absolutely blows you away. Sometimes it's a little indie gem that didn't get enough promotion. Other times, what appears to be a quick cash-in turns out to be an awesome game. These games don't normally sell that well, but those who play them love them. They're like a breath of fresh air in an industry packed with over-hyped blockbusters, and 2009 has seen more than its share of them. Here are some of GamesRadar's favorite surprises so far.