It’s war, and this time it’s too close to home. The Martian mission may be over, but the aliens haven’t finished playing space invaders yet.
Extraterrestrial eyes have turned to a new target: they want Earth, and you’re the one that has to say ‘no’.
Welcome to the future of Tower Defense.
Good luck, Commander!
- Unleash the Sentinel's incredible ship weapons system - if you've got the power to do so...
- Deploy mobile attack drones to harass the enemy and augment static defenses.
- Construct boosters to buff your offense, and upgrade to top-tier towers for devastating special moves!
- Pit yourself against previously unseen members of the star spawned horde.
- Mission mode provides quick tactical challenges. Beat a scenario to earn achievements!
- High score leaderboards and achievements using GameCenter!
- Visually stunning environments, towers and enemies with fluid zooming and scrolling.
- Exclusive new music written by Specimen A.
- IAP for more custom maps!