DSOGaming writes: “Modder MrGnang has been working on a total conversion mod for the first Half Life game for five years. Half-Life: Echoes will let you experience the Black Mesa incident from a different perspective, with some insights into mysterious events which Gordon Freeman was not present for, and is available for download right now.”
Source: N4G PC After five years, total conversion mod Half-Life: Echoes is available for download