Mark Kéy-Balchin

A Rodent In Mourning (Rattmann's Lament)

A Touch of Science (Caroline's Theme)

Broken Caroline

Echoes of Science Past (Meeting GLaDOS)

Jeremy Runs Through It (Neurotoxin Run)

Crashing Waves and Precarious Cliffs (Overture)

Siren's Call (Assimilation Is Not Optional)

A Tense Situation (What Is It?)