Save the earth from incoming asteroids and alien attacks.
100 levels with a boss on every 10 of them, and a big final boss.
Upgradeable weapons & online hiscores.
No fees, no ads!
v1.0rc2: Minor changes and support for backup mgr.
v1.0rc1: Last boss is here! Compressed the 200 levels to 100. 1 more alien ship. App2sd.