Choose your antibiotics wisely to fight off the infections and save your patient. A fun way to relax and without you knowing it, you'll maybe even learn something useful.
Eliminate the invading force intent on taking Space Station Xorbe in Earth's orbit. If the station is captured then it'll become a staging ground for the invasion of Earth itself. You got a huge arsenal of weapons and defensive mechanisms to stop them.
Once again, conquer the world and one of the new features in this sequel is the alliances in which you can control them to attack various parts of the world.
The Boxhead universe is turning ugly.. No longer are the heroes content to take down the zombie menace, they have turned on each other in an ultimate battle to finally determine who is the ultimate Boxhead!