If you haven't claimed it yet, you can receive a $1 Amazon MP3 Credit for free with this download. (It can only be claimed once per Amazon account until December 31.)
Posted March 21, 2013
As one of its daily deals, the Amazon Appstore for Android offers downloads of Voxel Invaders for Android for free. That's $1 under the lowest price we could find for this Space Invaders-inspired game elsewhere. Deal ends March 20 at 2 am ET.