Edited sentence: Interestingly, if the player uses the alternate fire on the Displacer gun during the final battle with the Gene Worm, he will be transported to an area in Xen where the Gene Worm is clearly visible in the horizon.The Voltigore became infamous in the Opposing Force game due to Adrian Shephard's terrifying underground face-off with the creatures in which the player had limited ammunition and little-to-no natural light.Whether this is actually an area in the Race X's homeland is unknown (as is whether it is the same Gene Worm)