Rovio Entertainment Ltd has Angry Birds Seasons (iTunes Link) for the iPhone and iPod Touch and Angry Birds Seasons HD (iTunes Link) for the iPad in the iTunes App Store for FREE (regularly 99-cents – $1.99) for a limited time.

Angry Birds Seasons takes the captivating gameplay of the original to a whole new level! From Halloween to Chinese New Year, the birds are celebrating different festive seasons around the world! With more than 290 levels and regular free updates, these special episodes offer more challenging levels of pig-popping action and golden eggs to discover.

Red Wasp Design has Call of Cthulhu: The Wasted Land (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE for a limited time.

Call of Cthulhu: The Wasted Land is a turn-based strategy/role-playing game based on the award winning Call of Cthulhu RPG. Set in the midst of World War One, the game pits your team of investigators and soldiers against an ancient enemy, one older than humanity itself… Can your team of investigators keep their grip on sanity long enough to stop these diabolical plans? The fate of humanity is in your hands…

Developed in conjunction with Chaosium and based their multi-award winning Call of Cthulhu RPG.

Smith & Tinker, Inc. has Marvel KAPOW! (iTunes Link) for the iPhone and iPod Touch and Marvel KAPOW! HD (iTunes Link) for the iPad in the iTunes App Store for FREE for a limited time.

Now the staggering powers of Marvel’s greatest Super Heroes are at your fingertips in Marvel KAPOW!

With the cyber-security of our planet under threat from Doctor Doom, Tony Stark has created a new defense platform that lets you wield the awesome powers of Marvel’s top Super Heroes from your touch-based mobile gaming device.

Deflect attacks with Captain America’s mighty shield, blast with Iron Man’s gauntlet, slash with Wolverine’s claws, capture with Spider-Man’s web, smite with Thor’s hammer and smash with The Hulk’s fist as you vanquish an onslaught of Marvel’s greatest Super Villains.

Marvel KAPOW! 3.0 includes all new upgraded Super Powers allowing you to mega-rebound with Cap’s shield, double blast with Iron Man’s gauntlet, super sling with Spidey’s web and more. New power-ups enable the elimination of Green Goblin bombs and even let you clear your screen of villains with KA-BOOM!

Marvel KAPOW! features 27 classic play levels, 5 boss levels, arcade mode, Game Center leader-board integration plus continuous support and free content updates.

Noumena has Kingdom Story XD (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE for a limited time.

Kingdom Story, a mixed style role-playing, simulation and strategy game, takes place during a time of magic. In this mythical Kingdom world, you are a lord battling monsters, magical creatures, evil mages and wicked wizards all in the hope of building a powerful and prosperous kingdom for your subjects. But beware, there are always powerful evil lords and other competing Kingdoms that want to prevent your ascension so it is essential that you forge a powerful army with great Generals.

Electronic Arts has Flight Control Rocket (iTunes Link) for the iPhone, iPod Touch, iPad in the iTunes App Store for FREE for a limited time.

Flight Control Rocket is the next evolution of Firemint’s genre-defining #1 hit, Flight Control.
Leave the terrestrial skies of Earth and venture into a whole new galaxy of adventure, action, and addictive path-drawing gameplay!

Magic Cube has Army Wars Defense 2 (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $2.99) for a limited time.

Army Wars Defense 2 is a spinoff of the Army Wars Defense which acquired a favorable reputation. Army Wars Defense was nominated in the “New and Noteworthy” and “What’s hot” in iTunes store.

Army Was Defense 2 does not only keep the strength the Army Was Defense has, but also becomes more Dynamic, faster, and more tactical than the previous one.