Palisade Guardian 3, a free online Shooting game brought to you by Armor Games. Do you have what it takes to fend off the alien invasion? Destroy all aliens with 6 epic weapons in 9 awesome stages! Winning a level will award you with stars, spend your stars in the Tech Tree to upgrade your weapons. Playing levels will also award you with coins. Use coins to buy Power-Ups for an extra advantage on the battlefield! Enjoy!