User blog comment:Willbachbakal/My BioShock Sequel Idea Dump/@comment-1330314-20100508000437

Hooly sh**, you're good. Almost there.

1) Not exactly a light cannon. But think about it: what kind of light beam can cut (or burn) through enemies?

2)You're really, really close. It is a type of Gauss Rifle, and it's got the word "gun" in it, but not the word "Gauss".