Old Carnivores series would be also good candidates to be released in GOG. Classic, maybe they have traces of the same engine and from the same developers.
Perhaps the problem lies not with the developers, but with the publishers. Action Forms published their titles with publishers such as WizardWorks, Infogrames, GT Interactive, 1C Company, Aspyr Media, 505 Games, etc.
This remaster (Chasm: The Rift) is being produced by General Arcade (development) and SNEG (publisher). As for SNEG, in recent years they have focused on reviving classic, retro or ''abandoned'' video games on PC.
In my case, I'm more interested in seeing titles like Cryostasis on GOG again. Or Vivisector: Beast Within.