- Breather Level: The first Xen level (simply titled "Xen") serves mainly as a tutorial for how the mechanics of Xen work (such as the lower gravity and the healing pools), has no enemies except houndeyes, some sentry turrets and a single Vortigaunt. It's also only about five minutes long.
http://tvtropes.org/pmwiki/pmwiki.php/YMMV/HalfLifeXen
FollowingYMMV / Half Life Xen
Go To
