CAPCOM has Street Fighter IV (iTunes Link) in the iTunes App Store for $1.99 (4.99 – 3 instant savings) for a limited time.

Street Fighter IV delivers the first true fighting game on iPhone. This uncompromising fighter features all the visceral thrills, fantastic graphics and brilliant gameplay that are hallmarks of the series. Long time Street Fighter fans can jump into the action and have an instant familiarity with the controls. For more casual players Street Fighter 4 features numerous settings and tutorials that put you on the path to world warrior. Plus, it’s multiplayer. Street Fighter 4 supports head-to-head arcade play over Bluetooth.

Today only, May 30, 2011, Freeverse, Inc. has Skee-Ball (iTunes Link) in the iTunes App Store for FREE for a limited time.

Skee-Ball! Bring the fun of the boardwalk to the palm of your hand with 3D graphics, great physics, and awesome prizes. A true American classic.

With a quick flick, roll the ball up the ramp and into one of the numbered holes for points, tickets, and unlockable achievements.

Win enough tickets and go on a shopping-spree for fun prizes like a set of vampire teeth, a Peruvian Flute Band CD, or even a custom ball to use in-game. Over 80 prizes in all.

Skee-Ball is easy to learn and easier to love: Play by simply flicking your finger across the screen or making a bowling motion. Tilt the iPhone/iPod Touch to add spin. Simple to play, almost impossible to stop playing!

The NVIDIA PhysX engine delivers console-quality physics so the ball rolls and bounces hyper-realistically. Worldwide hi-scores let you see how your hoard of tickets compares to everyone else’s. The Plus+ Network lets you challenge friends with score tracking, achievements and leader-boards.

Critical Thought Games has geoDefense (iTunes Link) in the iTunes App Store for FREE for a limited time. Deal expires May 29, 2011.

Something exciting and new in the Defense genre! The geometric vector creeps are fast and intense. With 30 different maps, each its own puzzle, you’ll have to work fast to keep up.

Using exciting vectorized graphics, this highly kinetic game brings a whole new dimension to the defense genre. Devastate creeps with blasters, lasers and missiles and watch their energy debris swirl through the gravity wells of your vortex towers. Now it’s time to figure out how to put that absorbed energy to good use.

Gamerizon has Chop Chop Ninja (iTunes Link) in the iTunes App Store for FREE ($3.99 value) for a limited time.

The world needs a hero! The Emperor’s daughter is in danger and needs your help! Face your enemies and explore the world to save your princess from a terrible curse! Use the ancestral ninja arts to fight hordes of enemies, destroy objects, avoid traps and many other dangers. Chop Chop Ninja is a fun and intuitive platformer specifically designed for the iPhone & iPod Touch!

Clickgamer has Office Gamebox (iTunes Link) in the iTunes App Store for FREE for a limited time.

Bored at work, not anymore with the super fun Office Gamebox! It’s a 3-in-1 game pack based around an office theme. With amazing replay value, a bunch of simple pick up and play games. I’m sure you can find time to play!

GAME 1 – PAPER SNIPER
Flick the paper ball at the wastebasket, using the cool air fan to bend your shots. You have only sixty seconds to get the highest score, but the further the basket the more points you get!

GAME 2 – CHAIR RACE
How far can you roll your office chair through the floors of the office block? In your way are all sorts of obstacles in your way; photocopiers, desks and water stations! Luckily you have a chair modified with a fire extinguisher’s jet! Oh, and don’t forget to grab those cookies and donuts.

GAME 3 – PITCH A PENGUIN
Migrate to the roof of the office and take a running jump to see how far that flightless bird will go. Grab a fishy in-flight meal to give your tiny wings a bit more energy, or grab onto a rocket to increase your speed. Watch out for the other birds – they will do anything they can to stop you in your tracks…