Your child has been captured by a power-hungry mutation research military group. You are going to rescue your kid. The lab minions are creating some kind of creature they can control and your child has special DNA that will further their goal. The use of power for the sake of power itself versus the use of power for the sake of protection. 

Controls:

WASD to move. 

Left click to shoot.

Right click to go into aim mode. Clicking directly on the enemy will inflict a critical hit.