| 1 | [data track] | [data] | 41:52 |
| 2 | Adrenaline Horror | Kelly Bailey | 2:09 |
| 3 | Vague Voices (Black Mesa Inbound) | Kelly Bailey | 2:11 |
| 4 | Klaxon Beat | Kelly Bailey | 1:00 |
| 5 | Space Ocean (Echoes of a Resonance Cascade) | Kelly Bailey | 1:36 |
| 6 | Cavern Ambiance (Zero Point Energy Field) | Kelly Bailey | 1:39 |
| 7 | Apprehensive Short | Kelly Bailey | 0:23 |
| 8 | Bass String Short | Kelly Bailey | 0:08 |
| 9 | Hurricane Strings (Neutrino Trap) | Kelly Bailey | 1:33 |
| 10 | Diabolical Adrenaline Guitar (Lambda Core) | Kelly Bailey | 1:44 |
| 11 | Valve Theme (long version) (Hazardous Environments) | Kelly Bailey | 1:22 |
| 12 | Nepal Monastery | Kelly Bailey | 2:08 |
| 13 | Alien Shock (Biozeminade Fragment) | Kelly Bailey | 0:36 |
| 14 | Sirens in the Distance (Triple Entanglement) | Kelly Bailey | 1:12 |
| 15 | Nuclear Mission Jam (Something Secret Steers Us) | Kelly Bailey | 2:00 |
| 16 | Scared Confusion Short | Kelly Bailey | 0:16 |
| 17 | Drums and Riffs (Tau-9) | Kelly Bailey | 2:03 |
| 18 | Hard Technology Rock | Kelly Bailey | 1:40 |
| 19 | Steam in the Pipes (Negative Pressure) | Kelly Bailey | 1:55 |
| 20 | Electric Guitar Ambience (Escape Array) | Kelly Bailey | 1:24 |
| 21 | Dimensionless Deepness (Dirac Shore) | Kelly Bailey | 1:24 |
| 22 | Military Precision | Kelly Bailey | 1:20 |
| 23 | Jungle Drums | Kelly Bailey | 1:49 |
| 24 | Traveling Through Limbo (Singularity) | Kelly Bailey | 1:17 |
| 25 | Credits / Closing Theme (Tracking Device) | Kelly Bailey | 1:39 |
| 26 | Threatening Short (Xen Relay) | Kelly Bailey | 0:37 |
| 27 | Dark Piano Short | Kelly Bailey | 0:17 |
| 28 | Sharp Fear Short | Kelly Bailey | 0:06 |