: Enemies drop Keys used to buy unlockable features and ship upgrades. Arsenal & Equipment
: The view automatically zooms in or out to keep boss fights or large-scale action centered. Chicken Invaders 4
is a comedic shoot-'em-up game released in late 2010 by InterAction Studios . It is the fourth main entry in the series, following a hero's battle against intergalactic chickens seeking revenge for humanity's consumption of Earth's poultry. Core Gameplay Mechanics : Enemies drop Keys used to buy unlockable
: Ion Blaster , Neutron Gun, Laser Cannon , Vulcan Chaingun , Lightning Fryer , Plasma Rifle , Utensil Poker , Boron Railgun, Photon Swarm, and Positron Stream . and Positron Stream .