Have you all seen this? http://www.furaffinity.net/view/13990849/

It's in 'alpha' so it isn't quite finished. It's not a one-step install; you need a program to actually run the game provided, but I'd say it's worth it.

There's oral vore, cock vore, anal vore, unbirth, even some breast vore, and it's entertaining. Give it a try.