Every day until December 31 will be discounted to the surprise of game content such as arcade or expansions that will be purchased by the end of the day. Today is the turn of the live arcade Castlevania: Harmony of Despair, which can be purchased at a price of 600 Microsoft points with a 50% discount ( web link ). For lovers of avatars is off the keyboard to 120MP Rock Band ( web link ). Please note that all offers are valid on Christmas lists this other news .