It appears that you cannot play Final Fantasy 7 Remake on PC offline, after as a recent outage affected the Epic Games Store proved.
Source: N4G PC Legit PC Players Can't Play Final Fantasy 7 Remake Offline After Epic Games Store Goes Down
It appears that you cannot play Final Fantasy 7 Remake on PC offline, after as a recent outage affected the Epic Games Store proved.
Source: N4G PC Legit PC Players Can't Play Final Fantasy 7 Remake Offline After Epic Games Store Goes Down