In one moment it's chasing the good guys, then taking out the bad guys, then just doing whatever it wants. (rottentomatoes.com)
First, there is a normal campaign style mission as you work through a level taking out bad guys and chasing a boss who has a package you want. (andymerrill.com)
Your main task is to aim and fire your weapon so as to take out the bad guys for points. (holyfile.com)