The appeal of Wind-Up Robots is rather simply understood, for kids young and old who have played with toys and personified their actions. In this sweet-hearted tower-defense title for iOS and the Kindle Fire, by Soma Games, the toy box supplies a force of earnest, mechanical friends who guard a sleeping boy against…

Heading north on Interstate 5 toward Newberg, Ore. last week, I wasn't sure what exactly I'd encounter at Christian Game Developers Conference 2011. Would it have a show floor? Would they be showcasing new games? Would there be a Kinect-enabled Bible study game with 1:1 praying-hands control? Is a third sequel to the …