Halcyon Days — Steam game overview

Stored observation / content update: 2026-10-25T14:38:22.000Z

While exploring ancient ruins, Teflon accidentally releases a mysterious woman and her guardian from their cryosleep. When it's revealed that they are from a lost civilization that shaped the world as it is today, an adventure of treasure, betrayal and friendship begins.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.