: There is no requirement for an internet connection or "online check-ins" to verify your license.
: You can purchase Death Below on GOG, which ensures the version you receive is completely stripped of digital rights management. download-death-below-drmfree
: You are not "renting" the game; once you download the offline installer, the game is yours to keep forever. : There is no requirement for an internet
The primary and most reputable source for DRM-free gaming is . once you download the offline installer
: You do not need to launch a storefront (like Steam or Epic) to play the game.