Planet Buster is a match three game with the added challenge of it costing gold to swap tiles. See how long you can keep your coffers filled with this match three twist.

Fury Balls: World of Chaos is a ball maze game not unlike the one you had as a kid, only this version is from the pits of Hades, or at least some other forsaken environment where balls can be blown up, turned into zombies or struck by lightning.

Zen Lotus is a universal match three game where three matches is not good enough.

There are brain teasers and then there are BRAIN TEASERS. Triple Entendre is the latter.

The amazing puzzle game, Gesundheit, is now available in the Mac App Store; and the iOS apps are on sale.

Your favorite tower defense game has been updated and given a holiday twist.

The Hungry Pigs is a fun new casual arcade game with spinning pigs and irritated fowl. Tilt and tap your way through this piggy adventure and see how good your reaction time is.

Tumblox is a retro, 3D puzzle game for the iPhone that makes use of many different controls.

Gua-Le-Ni or: The Horrendous Parade is a fantastic and unique new word game that requires a bit of imagination and brain power. Mixing word play with puzzle play, this game fits into a category all its own. Playing with blocks has never been so challenging.

Christmas Gift is a universal Christmas themed match three game for you to snuggle up with on a cold winter’s night. From the makers of Bespooked, the Halloween themed match three game, this holiday inspired app is just as much fun as its predecessor.

Scribblenauts Remix has been updated and has an awesome new way to play for iPhone 4S owners.

PINGO STAR is a match-three style puzzle game with a twist. Instead of flipping tiles or exchanging blocks, players must match a feeder star from outside the grid. Grab this adorable game in the App Store while it is free.

Bag It! is an action puzzler that turns bagging groceries into a challenging game.

Power of Logic brings the classic game of Mastermind to iOS.

The app, miQube 3D for the iPad is a complicated and intense puzzle game that pushes your brain to the limits of its spatial abilities. The game design is based on the physical game of miQube; this mix of Tetris and Rubik's Cube will have you pulling your hair out in no time at all. It is on sale for a limited time.

Nutty Sam is an easy pick-up-and-play puzzle game similar to games like Cut the Rope and Roll in the Hole.

Zonr is a fast-paced puzzle game that pulls you in with great aesthetics.

Foozles is a physics-based puzzle game that will have you spinning in your seat, trying to help the fuzzy aliens reach a new galaxy in order to survive. Instead of tapping disappearing platforms, this game requires precise timing and lots of patience in order to make it through each level. The game is on sale for half off for a limited time.

DuDu Go Home is a physics-based action game with some familiar mechanics.

Sometimes we don't want to just play games to play them. Sometimes we want more of a challenge. The App Store is filled with puzzle games that come in all shapes and sizes. These are the best of the best — the must-have apps that will satisfy that part of you that needs the challenge.

Cow Balloon is a physics-based puzzle game that uses disappearing blocks, spinning wheels and explosive bombs to wrangle the overstuffed cows back into the barn. Roll the balloon-shaped bovine to safety in this farm-themed adventure.

A Pig’s Dream HD is an amazing iPad-only game that incorporates physics-based puzzling and arcade action into one fantastic roll in the hay. Everything about this game screams number one download in the App Store.