Wow, literally five seconds before I randomly clicked on this trailer I was thinking "What happened to that H.A.V.E. Online game that copied TF2's trailers"
Ah, so the Scout expy [http://tvtropes.org/pmwiki/pmwiki.php/Main/Expy] carries a pick instead of a baseball bat, that'll fool 'em.
Yeah, yeah, I know it's probably more about customization than classes, and it looks as if they have developed a unique "enough [http://tvtropes.org/pmwiki/pmwiki.php/Main/TheJimmyHartVersion]" style, but that original trailer was just SO obvious.