Including ORC: Vengeance, Endless Road, Pony Trails, Sky Hero and more.
Chillingo is getting into the festive spirit by offering a range of its titles for free on iOS as part of its Best of 2012 sale.
All the games being reduced to free for a limited time are: ORC: Vengeance, Endless Road, Pony Trails, Sky Hero, Commando Jack, Spice Bandits, Storm The Train, Zooniverse, Super Knights, Critter Escape, Word Derby, Madcoaster, Pocket Festival, Air Vacation, and The Last Drive. Some of these games were free prior to the sale starting.
And remember that if you're getting an iOS device for Christmas you can set up an iTunes account in preparation and snag all the free titles ready for the big day.