Update games.md

Add SpellGrind and Robot Unicorn Attack on Peter Hosey's recommendation.

games.md

@@ -47,10 +47,12 @@ Folks have recommended anything by the following lesser-known game makers. While
 * [Monsters Ate My Condo](http://itunes.apple.com/us/app/monsters-ate-my-condo/id459489208?mt=8) by [adult swim]
 * [Osmos](http://itunes.apple.com/us/app/osmos/id382991304?mt=8) by Hemisphere Games
 * [Paper Toss](http://itunes.apple.com/us/app/paper-toss/id317917431?mt=8) by Backflip Studios
+* [Robot Unicorn Attack](http://en.wikipedia.org/wiki/Robot_Unicorn_Attack) by [adult swim]
 * [Scribblenauts Remix](https://itunes.apple.com/us/app/scribblenauts-remix/id444844790?mt=8) by Warner Bros.
 * [Shufflepuck Cantina](https://itunes.apple.com/us/app/shufflepuck-cantina/id553470733?mt=8) by Agharta Studio
 * [Smart Sokoban](http://itunes.apple.com/us/app/smart-sokoban/id294016504?mt=8) by Patrick Stein
 * [Sneezies](http://itunes.apple.com/us/app/sneezies/id298155609?mt=8) by Chillingo
+* [SpellGrid](https://itunes.apple.com/us/app/spellgrid+-game-many-words/id707409923?mt=8) by Song San Hong
 * [SpellTower](http://itunes.apple.com/us/app/spelltower/id476500832?mt=8) by Zach Gage
 * [Spirits](https://itunes.apple.com/us/app/spirits-for-ipad/id388636935?mt=8) by Spaces of Play
 * [SPY mouse](http://itunes.apple.com/us/app/spy-mouse/id445992496?mt=8) by Electronic Arts