Thumb Score: +27
GOG has Metro Exodus (DRM-Free PC Digital Download) Gold for $3.99 [gog.com] or Standard for $2.99 [gog.com]
[Metro Exodus – Gold Edition contains the main game and two major pieces of story-driven DLC: The Two Colonels & Sam’s Story]
Note these are DRM-Free, requiring no internet connection to play when using the offline installer file.
