Here's the latest fan attempt to create Half-Life 2: Episode 3

Whether or not we see another Half-Life game after the excellent Half-Life: Alyx is entirely down to the capricious whims of Valve, but one thing we can be sure of is that it won't be in the form of Half-Life 2: Episode Three. For starters, simply too much time has passed for Valve to make another straightforward expansion to Half-Life 2. But there's also the fact Half-Life 2's writer, Marc Laidlaw, released his vision for the story of that elusive final episode...
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