The Half-Life: Alyx soundtrack, composed by Mike Morasky, is a 72-track immersive blend of industrial, ambient, and electronic sounds designed to heighten the VR experience. It features dark, tension-filled soundscapes with intense action cues, focusing more on atmospheric emotion than traditional melodies compared to earlier games.
| A1 | Anti-Citizen |
| A2 | Cauterizer |
| A3 | Scanning Hostile Biodats |
| A4 | Outbreak is Uncontained |
| A5 | Level-5 Anti-Civil Activities |
| A6 | HIRE |
| B1 | Trans-Human Crossfire |
| B2 | Terin #6 |
| B3 | Gravity Grenade Conflict |
| B4 | Gravity Perforation Detail |
| C1 | Engage. Quell. Inquire. |
| C2 | Rabid Lightning |
| C3 | Hacking |
| C4 | Xenfestation Control |
| C5 | Thirty Seven After Six |
| C6 | Trash Compactor Waltz |
| C7 | Icosahedron |
| D1 | Sunset Vault |
| D2 | Supersymmetry Dilation |
| D3 | Alice Matter |
| D4 | Superimposition |
