↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Opening text: It is five years before the collapse of the Citadel and the death of Eli Vance.
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Alyx: Russell... What did you guys find back there? / Russell: Well, that's the crazy thing! I don't know! Just...blurry pictures of a...building. / Alyx: The Citadel? / Russell: No, it's something else. And whatever it is, they're gonna kill anybody who saw it, and anybody who knows anybody who saw it. Which means us...and your dad.
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Alyx: I would help, I really would, but the Alyx Vance is really busy trying to save her dad. / The Lone Vortigaunt: You will not save him. He is dead. / Alyx: What?! / The Lone Vortigaunt: Or...he will be... / Alyx: Is? Or will be? / The Lone Vortigaunt: It is a matter of perspective. But Alyx Vance alone cannot prevent his fate.
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Eli: No! Alyx, listen! The thing Russell and I found is some sort of...some sort of superweapon! / Alyx: A superweapon? / Eli: It's something big. They [The Combine] got it here in the QZ in some kind of vault. But they're about to move it. Where, I don't know, but it's gonna be soon. [...] You head to the Vault! I'll take this thing to Russell's and get down to work!
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Vortigaunt: The Vortigaunt will extract ourselves and seek our own vengeance. You must go to the weapon.
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Eli: It's not a vault. It's a prison. They're not trying to keep us out. They're trying to keep something in. [...] Whatever's inside doesn't seem to like the Combine much. So we have that in common.
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Scientist: Look, this guy we got in there survived Black Mesa. He raised holy hell and then just disappeared! We finally caught him and you're just gonna let him go again?! MOVE THE BOX. / Russell: Survived Black Mesa...then disappeared... Eli! They do have a superweapon! / Eli: Goddammit, Russ, they've got Gordon Freeman! / [...] Alyx: All right! So, let's go save Gordon Freeman!
↑ Valve (23 tháng 3 năm 2020). Half-Life: Alyx (bằng tiếng Anh). Windows. Valve. Eli: Russell, stop her! Alyx! Don't go in the V— [signal cuts out]
