Earthlings found a planet very similar to Earth and decided to settle there. Several colonists arrived and managed to build a small base. Just in case, they decided to be on duty to avoid surprises and precaution was not out of place. The planet is populated by numerous creatures, bloodthirsty and ferocious. Seeing the base, they decided to capture it and launched an attack. Help the only warrior cope with the defense. To make it easier, put automatic guns and barriers. The former will destroy the enemy, and the latter will be delayed for a while. Constantly improve the performance of the fighter, so that he can effectively hold positions in Alien Defense.
