Chicken Invaders: Revenge Of The Yolk is a series of shoot 'em up video games, developed by InterAction Studios and released for Microsoft Windows and many other platforms.It is also released for the online will be shared later. Currently, there are five video games in the series, along with the four special editions: the Christmas, Easter, Thanksgiving, and Halloween editions.
The main theme of the game is a battle between a lone combat spacecraft and a technologically advanced race of space-faring chickens, who are intent on subjugating (and later destroying) Earth. The games make heavy use of humor, especially in the form of parodies of Galaxian, Star Wars, Space Invaders and Star Trek.
It is the main game together with Easter and Christmas editions. It is similar to the second version (with up to 4 player cooperative play). It has 120 waves, in 10 levels across 12 systems in the galaxy. There are 30 bonuses. Weapons have 11 power levels, and a secret 12th level, which can only be reached by acquiring an additional 10 power ups after the 10th level power up (the 20th). There are also eight which are unlocked after repeatedly completing the game.