Half-Life 2: Episode 3 never saw the light of day, but a fan project, built on the leaked plotline, has now released a special Unreal Engine 5-built level for fans of the series.
Half-life 2 episode 3 RSS
In a surprising turn of events, the lead writer of many previous Half-Life games, Marc Laidlaw, has revealed what looks to be the storyline of the unreleased Half Life 2: Episode 3.