CastleVille and The Sims Social Head to Head on This Week's List of Fastest-Growing Facebook Games by DAU

Growth appears to be slowing down for Zynga’s newest role-playing/life simulation, however, with less than a 10% growth rate in DAU for the last five days. CastleVille’s monthly active users — a means of gauging the game’s overall reach — still has some momentum with just over 28% growth in the same time period.