Half-Life: Alyx - Ending Theory (Explained) : r/HalfLife

Crazy Theory: The left side represents HL2 & Ep1 Explosion, Right side depicts Ep2 Alyx resurrection. : r/HalfLife

From trailer : r/HalfLife

The Half-Life: X Mystery - What the Hell is Valve Making?

Half-Life: Alyx ending explained – what's next for the franchise?

Remember this ''Real'' Half-Life Alyx Story Leak? Oh how the times have changed.. : r/HalfLife

Gordon Freeman - Wikipedia

Half-Life: Alyx is not a retcon. It's a direct sequel to Episode 2 from Gman's frame of reference. : r/HalfLife

What's Half-Life entry for this? : r/HalfLife

Is Gman Gordon and Alyx's son? : r/HalfLife

I know the truth about the Gman (SPOILER ALERT) : r/HalfLife