It's censorship. I have seen same kind of story a long time ago.
Basically when you are japanese citizen you aren't allowed to sell uncensored material anywhere in the world. Some still try to sell uncensored outside of japan but the risk is if the government or whoever there deals with this...
Zombie Ass: Toilet of the Dead
Zombies are made with parasites that come out of a persons ass and if I remember correctly they are defeated by farts
Final battle was something along the lines of one girl flying with her fart power and the other girl had like a mutated ass parasite which could...
Since we get more bugs and microtransaction hell in games today I think we should expect to get at least a cheap base game.
Extra since microtransactions actually make companies more money than they would get with just double base price.