Chicken Invaders v1.1: After a long absence the invasion takes!

Kairus101 the developer has to rewrite the script of the homebrew Chicken Invaders, the game when the chickens of a distant galaxy are on a journey through the Earth and seek to avenge the humans for obvious reasons (McChickens, McNuggets, etc. .. .). And good that you are resistant, it is your duty to save the human race by killing those blood thirsty beasts.

 Show me as pretty: