Frisky Mongoose

Playfish has added yet another room expansion to Pet Society, this time in the form of a backyard tree house. The tree house is limited to offering only one additional room per player, but if you’ve got an overflowing set of rooms already, one might be just enough to temporarily ease the clutter (until Playfish releases more irresistible items that we all just have to have, that is).

According to Social Games Central, the tree house will set you back 20 Playfish Cash, or between $3-4.

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