The ray-tracing enhanced edition of Metro Exodus, the god-tier road trip game Half-Life 3 should've been, is on sale with an 80% discount
While it's true that Arkane's superb FPS immersive sim Prey is probably the closest we ever got to a Half-Life 3 in terms of gameplay mechanics, there's no doubt in my mind that, in terms of narrative storytelling and game structure, Metro Exodus is the closest we ever got.