Membraine Studios announced today a special weekend sale price for their Flick-’em-Up game to celebrate its release. Orbital Defence is available for the price of only 99 cents through the weekend.

Orbital Defence is an unique arcade shoot-’em up game which is inspired by great titles like Galaga and Missile Command. The flick-based control system makes the game more unique and more interactive.

The game is one of the best in its genre and platform with its unique game-play and clean graphics. Membraine Studios received a lot of positive feedback on their title game from players.

Orbital Defence features a twelve level Campaign Mode and a Survival Mode,which will challenge the player and reward him with accuracy.

The special price of 99 cents will be available until 11:59 PM (PST) on Sunday, after which the game will return to its normal price of 1.99$ US.

Orbital Defence proves that the iPhone can be a serious gaming device.