Peg your nose
Orcs are almost the fantasy genre equivalent of Nazis. They often make up the bulk of an evil army, and represent the dumb grunts that you have to wade through in order to reach your goal. But sometimes we're allowed to play as them. In the The Elder Scrolls series, for example, they're a playable race, while in the ridiculously named...
Use bodily gasses to vanquish greedy humans in this particularly pungent hack and slash title.
The humans came in their thousands. They poisoned our food supplies and made the waters toxic. We escaped to the mountains but the damage had been done. Having ingested the poisonous fruits we now suffer from explosive flatulence… But our weakness will become our greatest weapon!