Moorhuhn Invasion - Crazy Chicken Invasion

Help! The invasion of alien Moorhuhn chickens has begun! Chicken aliens have been watching us from the depths of space. Now they have come to establish their base and take everything that is not nailed down: trees, cows, mountains, grouse… But we are prepared! Many hidden extras for our defense will give the aliens a hard time and even their superior technology won't be able to save them when we …