OK, I don't understand what I am doing wrong.
I clicked the link labelled "Request New Platform"
I put "Silverfall: Earth Awakening" in the Game title field, and got "No search results", with a red border around it.
I nonetheless selected "GOG" as the system, checked the box, and hit submit.
I then got "Please match the requested format: reqTitle." as a message from the Game Title box.
Because it matches this
www.cheathappens.com/13835-PC-Silverfall-Earth-Awakening-trainer
request the same name as on GOG store page
Silverfall: Complete
[Edited by CyPHeR369, 9/18/2020 9:21:41 PM]