The base has spotted an illegal goods storage in a warehouse, and sent you to the location to Eliminate Them.
Eliminate those dirty armies and kill the leader to finish the mission. but beware, the dirty armies are so dangerous and are great in numbers.Controls: Use mouse to aim and left click to shoot.
press 1 or 2 or 3 to select a weapon. you have limited bullets each stage,
but you can buy it later.