Half-Life 3 rumours are about again after a teaser from G- Man's voice actor

And then it turns out they were working on Half-Life: D0G.

NGL, that would actually be awesome

Its probably a Half Life: Alyx sequel. Which is mega hype because that is the best VR game ever.

Spoiler:

! G-man unexpectedly plays a huge role in the game towards the end, to the point he's so powerful you're not sure he's human.!<

That plus Valve's next VR headset codenamed Deckard is gotta be right around the corner, with the controller leaks. Alyx released along side the Valve Index to show it off. Lastly the marketing info for SteamOS being show combined with rumors Deckard may be a stand alone VR headset, or an optional add-on.