Nintendo of Europe announced that Animal Crossing: New Leaf hasn’t been forgotten. The game will release in Europe during Q2 2013.
So you’re looking at anywhere between April and June. This has been a painfully long wait for the latest Animal Crossing game as Japan has had the game for a month now.
But when it does get here be prepared to lose so very much of your life in trying to pay off your mortgage. At least the housing market hasn’t collapsed in Animal Crossing.