| The Wheatley Song | The Wheatley Song |
| Making Science | Making Science |
| Ride It Out | Ride It Out |
| The Pit Song | The Pit Song |
| Glados Is to Blame | Glados Is to Blame |
| Obscuration | Portal Stories: Mel Soundtrack |
| Transitional Period | Portal Stories: Mel Soundtrack |
| Transitional Period (funnel) | Portal Stories: Mel Soundtrack |
| Obscuration (funnel) | Portal Stories: Mel Soundtrack |
| Long Way Down (funnel) | Portal Stories: Mel Soundtrack |
| Aperture Central | Portal Stories: Mel Soundtrack |
| Interfacing | Portal Stories: Mel Soundtrack |
| The Spheres | Portal Stories: Mel Soundtrack |
| Long Way Down | Portal Stories: Mel Soundtrack |
| The Junkyard Offices | Portal Stories: Mel Soundtrack |
| The Junkyards | Portal Stories: Mel Soundtrack |
| Firestorm | Portal Stories: Mel Soundtrack |
| Out Of Order | Portal Stories: Mel Soundtrack |
| Deep Sleep | Portal Stories: Mel Soundtrack |
| Troubled Water (funnel) | Portal Stories: Mel Soundtrack |
| Arrival | Portal Stories: Mel Soundtrack |
| Welcome To The Future (funnel) | Portal Stories: Mel Soundtrack |
| Waking Up To Science | Portal Stories: Mel Soundtrack |
| Welcome To The Future | Portal Stories: Mel Soundtrack |
