The GOG version has the same title as the Steam version. I don't think it's tag abuse, just the developers not being as thorough with the EGS one.This is the same game. Only abusing tags on Steam.
https://store.steampowered.com/app/921800/Encased_A_SciFi_PostApocalyptic_RPG/
https://www.epicgames.com/store/p/encased