Space Rustlers

Aliens exist.

Some are good... these guys are bad.

Its your job to take down those Space Rustlers!
Defend your farm from the UFOs with fireworks given a little alien upgrade!
Choose from either Customized play or 200 Challenge levels!
The more UFOs you take down, the more Units you earn. Spend those Units on:

More animals for your farm!
Lumber to repair your towers!
Superweapons to get you out of a bind!
Upgrades for your defensive towers to stay in the fight!