Just take a look at these two pictures. The circled bits are the censored parts.
Things to look out for: less dead-looking undead characters (check out that guy’s jaw); sandbags instead of bone piles; black blood instead of red blood, etc.
Nothing really insane, and certainly nothing to complain about. I just find it interesting that this is how, not to mention why, the Chinese authorities deal with so-called, uh, badness.