Posted August 04, 2016
Some games, you can download and install via Steam onto your computer. Then you do not need any connection to play.
Installing and playing the game is where the DRM matters. When buying or downloading the game, there it isn't important to discuss whether it has "DRM", as GOG also has forced authentication for downloading games (you can't download games from GOG which you haven't purchased).
In Steam's case, I guess it confuses many people that there is no clear distinction between "downloading" and "installing" the game, as from the user's point of view they seem to happen at the same time. Same with GOG Galaxy I guess. IIRC part of the "installation" for Steam games actually happens when you run the game the first time, ie. some registery entries might be entered and dependencies checked then, not before.
Anyway, if after that the Steam game is a fully independent package (folder) that you can freely copy to other computers and play there without Steam authentication/connection (or an internet connection at all), then I don't see why it couldn't be considered as a DRM-free game.
There's one important thing to consider though: Steam (Valve) doesn't advertise, nor support, any of the games as DRM-free, as GOG does. So it is up to the users to figure out which Steam games are DRM-free, and if there are issues there, you can't expect support from Valve or even the game publisher (unless the publisher has promised it to be playable without the Steam client).
That also means that if some DRM-free game on Steam gets DRM later on some update, oh well, there you are. They never promised it to be DRM-free. Maybe this doesn't happen often, but I recall that e.g. Skyrim was at very first DRM-free (by accident), and it got the DRM/CEG added on an update. Also Fallout 3, I recall earlier it was considered as a DRM-free game on Steam, but later (maybe a later edition of the game?) it wasn't anymore, apparently it got some kind of DRM in it. I also recall some games where the base game might be playable without Steam, but DLCs not (ie. the whole game is not DRM-free).
Not sure if there are other similar examples.
Post edited August 04, 2016 by timppu