Off that area are two rectangular sections that go off into the rocky outdoor area at the back of the house. The texturing is a bit drab and could have done with more detail and variation. There are a couple of teleporters in there one of which drops you on top of the RA, but it is still easily gettable without going that route.

Duelling is where the map really shines. The simple layout gives rise to some nice shortcuts, which can be used to cut off your opponent and give them a nice rocketing at the same time.

FFA provided to be more point and squirt, and it was pretty cool in the outdoor area to get hit by a stray rocket and land on top of the rocky outcrop and basically get your own back by camping, errr, sniping (that's the term they use in Half Life right?).

Paul