No specific info about version 0.4. Please visit the main page of HALF-LIFE H HOUR on Software Informer.
CrosuS is a mod delivery platform for managing, and playing games, mods and maps
GUI StudioMDL 2.x is the follow up of the original GUI StudioMDL for Half-Life.
SteamLink is an effort to run Half-Life: Uplink, Half-Life's demo campaign.
Want to know how it feels to live a zombie attack? Get BrainBread.
Weekday Warrior is a Half-Life 2 total conversion mod
This program implements an AI for some of the most popular Half-Life mods .