Nothing all that special, besides LOOK HOW EDGY!
This is definitely faithful (get it?) to the"do the same move over and over again until you win" fighting games from the early 90's style of play (seriously, I spammed Dharma Wheel over and over again and won on every difficulty). Aside from that, it's base level "Religious humor is totally edgy you guys AM I RITE HUH?!", and Bible Fight did it better.
Not that I care, but for consistency's sake, Xenu isn't the "God" of Scientology, he's the nemesis. The presence of Xenu but no Satan illustrates that the hadn't really done their homework. Then again, the fact that a grand total of four religions are represented kinda says that too.