Delta is a single player modification for Half-Life 1. The protagonist Nick Farell, technical engineer complex "Delta Base", whose duties include maintenance of generators. Unfortunately, the protagonist was in the wrong place at the wrong time, as an experiment at the Black Mesa Research Facility resulted in a resonance cascade that teleported extraterrestrial beings from the world of Xen to Earth.

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Half-Life: Delta [Full Version]

Half-Life: Delta [Full Version]

Full Version 55 comments

Half-Life: Delta full release version. Requirements: HL v.1.1.1.1 or higher.

Half-Life: Delta [Public DEMO]

Half-Life: Delta [Public DEMO]

Demo 19 comments

First public DEMO of project 'Half-Life: Delta'. The first chapter. First 8 maps. After many years of development... I hope you enjoy it.

Half-Life: Delta (Preview Version)

Half-Life: Delta (Preview Version)

Demo 7 comments

An old DEMO. It was an exclusive for the HLFX.ru forum. Now I decided to upload it here. Have fun!