We're not going to say that the two games released on Xbox Live Arcade this week -- this week being Christmas -- were released as afterthoughts. However, they probably aren't games you've been dying to play. You can choose between block-pushing puzzle goodness or alien-blasting action in Polar Panic or 0 day Attack on Earth, respectively. Polar Panic will set you back 800 ($10), while 0 day Attack on Earth expects 1200 of your hard earned points ($15). Watch the latest XBLA in Brief and see if either demands your attention.

Shortcut: Download the trial version of Polar Panic [Via Xbox.com]
Shortcut: Download the trial version of 0 day Attack on Earth [Via Xbox.com]

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This article was originally published on Joystiq.