GalCiv IV: Steam <-> Epic Keys
Published on Sunday, April 30, 2023 By Brad Wardell In Galactic Civilizations IV
If you bought GalCiv IV on Epic and which to upgrade to GalCiv IV: Supernova (GalCiv IV + Supernova expansion) on Steam you can do so here:
Galactic Civilizations IV: Supernova - Steam Upgrade (galciv4.com)