Now is your chance to nab the biggest and best installment of this acclaimed sci-fi tower defense series. Sentinel 3: Homeworld is a pulse-pounding visual explosion that nukes the competition. If you're looking for a fun new tower defense title to try out, look no further than Sentinel 3: Homeworld -- today's Free App of the Day!

Take the fight to an alien homeworld and unleash your massive arsenal of weaponry in the game's challenging campaign that features 20 levels across 14 tough maps. There are over 20 unlockable turrets, orbital ship weapons, automated drones and abilities at your disposal! The game is packed with features and different modes, such as an endless mode and classic mode that allows you to compete for high scores.

Put down that worn-out copy of geoDefense and download a copy of Sentinel 3: Homeworld today for your iPhone and iPad!

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