Is it appropriate use of this site to only sell a product that is only a Steam Key? By this I mean, there would be no download for the game provided. I ask this because my game does not run outside the Steam environment.
We prefer people to sell files with their game, but we do allow some people to sell only Steam keys since for some game's it's not possible to make a standalone build. If you'd like to do that please send a message to email@example.com and we can enable it on the project page you need it for. You should have the page for the game already created, but it doesn't need to be published.
I found some games only provide the download of a text/PDF file about "how to activate the key on Steam", and give only Steam key when you purchase. (so, no DRM-free copy of the game)
(v Reference Image, The 'Buy Now" button is image ONLY!)
(^ Reference Image, The "Buy Now" button is image ONLY!)
So I want to ask admins: is that allowed here?