Heavy Weapon
Heavy Weapon ( or Heavy Weapon: Atomic Tank ) is a side-scrolling shoot 'em up video game developed and published by PopCap Games and released in 2005 . 
<triplet> Heavy Weapon <subj> shoot 'em up <obj> genre <subj> video game <obj> instance of <subj> PopCap Games <obj> software engine <triplet> Heavy Weapon <subj> shoot 'em up <obj> genre <subj> video game <obj> instance of <subj> PopCap Games <obj> software engine <triplet> side-scrolling <subj> video game <obj> subclass of