Delta Particles
2021XF-Alien
About
Delta Particles is a single-player, story-driven, total conversion modification for Half-Life 1. Features include a new single-player campaign consisting of 4 chapters, total conversion, a lot of new content, the atmosphere of the new scientific complex "Delta Base", new weapons, a new Dark Ambient soundtrack and a BlueShift-style XEN level.
Available on
PC (Microsoft Windows)Linux
