Xen was a huge disappointment in the original Half-Life. The action-packed, thrilling three-pronged war unfolding in Black Mesa was suddenly replaced by tedious platforming across a barren void ...

He has also found references to various Xen creatures, such as swoopers, jellyfish, and gorillas, the latter of which was teased in Half-Life: Alyx's zoo level. McVickers ends his new video by ...