South of the Circle is a narrative adventure game that revolves around the story of Peter, a Cambridge academic who is fighting for his survival in the harsh Antarctica of 1964 after a plane crash. As Peter tries to escape the ice, he is forced to confront his past and the blurred lines between his past and present. The game is a love story between Peter and Clara, his colleague, set against the backdrop of the Cold War.

The game features fully motion-captured performances from a cast including Gwilym Lee, Olivia Vinall, Richard Goulding, Anton Lesser, Adrian Rawlins, and Michael Fox. The game's unique symbol-based mechanic allows players to make nuanced emotional choices that affect the game's outcome. The game's environments are rich and authentic, with a deeply researched 1960s setting. Exploration, discovery, and environmental storytelling are woven through the game's narrative, making it a compelling and immersive experience.