According to Nielsen, used game sales are at an all-time high. That's good news for GameStop's massive used games business, and to a lesser degree, for smaller retailers like Game Crazy as well. Game Crazy today released some interesting data on used game sales and the retailer is trying to make it easier for its customers to determine trade-in values by releasing an index of games with the top trade-in values. Game Crazy is also making this index available as an iPhone app.
So which titles have retained top value? Here are Game Crazy's top 10 games trading at more than $20 (as of July 28, 2009):