Aliens Must Die is a Games & Entertainment::Action software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Aliens Must Die: Aliens must die! Step into the cockpit of the last human starship and inflict a wave of destruction on the invading alien hordes, with the assistance of your trusty co-pilot Annie. Use the arrow keys or W, A, S, and D keys to move your ship. Use your mouse to aim and fire. Collect debris and power-ups from enemy ships and earn new weapons and special bonuses. The fate of the galaxy depends on you. Are you ready, captain? you can download Aliens Must Die free now.