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From BoxFrog Games ltd:
Spectrum Shock is now permanently free! Download now :)-SPECTRUM SHOCK HAS BEEN IN THE TOP 25 GAME IN ACTION AND ARCADE IN NUMEROUS TERRITORIES.HIT THE TOP 200 FOR ALL APPS IN MANY TERRITORIES TOO.-Version 1.0.1 brings the all new Extreme mode!Also included:* Additional alerts for when an enemy has locked on* Minor bug fixes* Improved missile homing* Now supports iOS versions pre 4.1"Spectrum Shock should be the next game you download to your iPhone"Paul Clark - Gamerlimit.com-Experience arcade style fun at its finest in Spectrum Shock from BoxFrog Games. Using tilt and multi touch features, protect the core against an onslaught of attackers to become the best shocker in the world!Tilt your device left and right to rotate the turrets in order to line them against the matching shaped enemy and let rip by simply tapping on screen. Dont let the enemies latch on to your base or theyll start draining your health until you hit your devastating Spectrum Shock ability to blast them away. Recharge your Spectrum Shock by destroying the enemies as they advance on you.Features* 4 Difficulty modes to test your shocker skills* Openfeint and Game Center support with achievements, online leader boards and much more!* High score based game play gives endless re-playability* Stylish graphics that looks great on any device (retina support coming soon!)* An original soundtrack as well as the ability to control and listen to your own music library while you playRecommended: 3rd generation or newer device running at least iOS 4.1