Delta Particles

Delta Particles is a single-player modification for Half-Life. The plot takes place at the universe of HL. You're playing as a technical engineer of complex "Delta Base" Nick Farrell. Unfortunately, the protagonist was in the wrong place at the wrong time, as an experiment at theBlack Mesa Research Facility resulted in a resonance cascade that teleported extraterrestrial beings from the world of Xen to Earth. Features: A new single-player campaign consists of 4 chapters, comprising 35 maps This is a long single-player campaign lasting from 3 to 6 hours. New story, characters and adventures are waiting for you! Total conversion, a lot of new content New textures, sounds, models, and other assets are included. Delta Particles is completely base on new assets! Atmosphere of the new scientific complex "Delta Base" A brand-new scientific complex located somewhere in the Nevada desert. "Delta Base" is the main competitor in experimental teleportation research to Black Mesa, because the U.S. government has awarded a grant to develop spatial teleportation devices. Visit new locations, from scientific laboratories to industrial areas! New weapons Your armory includes new weapons and heavily reworked old ones. Now you are definitely locked and loaded! New Dark Ambient soundtrack It features a new Dark Ambient soundtrack by "Iron Cthulhu Apocalypse" and "Out of Hell". This soundscape immerses you in a deep and gloomy atmosphere of these places. XEN maps It's XEN. If you like this alien, rocky world from the HL universe, you'll enjoy it!