The Martians are about to strike our beloved planet with one purpose in their mind: grab all the cows! Protect Barney's ranch from the Martian invaders in this colorful tower defense game!
Here are some key features of "Beware Planet Earth!":
· Full Story Mode (46 levels over 4 seasons), plus 18 bonus challenges!
· Intense action! Grab your Zapper to attack the Martians and overpower your machines!
· 20 wacky machines, from the classic defense tower to the Helicowpter!
· Over 20 quirky Martians, from the Metalhead to the Mad Scientist to the Ninja!
· 25 Achievements!
· Talking outhouse!
· Limited game play