http://store.steampowered.com/app/367080/

Thanks for the link. That's so weird, I couldn't find that at all, and that's never happened to me.

Tulpa can be added to the list since it is running without steam.
Tested on win7/64

It's a really nice looking and interesting game btw. :)

<span class="bold">Roundabout</span> will have no issue running without the Steam client. Tested on Windows 10.

You can disregard that request if you want, I think I got the answer I needed.

You are always free to ask another question.

I needed to know something about RA 3 on Steam but I got it.

OK then.

I just added Owlboy, and I'll add the rest soon!

The great freeware game CAYNE is also drm free :-)

Dorke and Ymp
RunGunJumpGun
Super House Of Dead Ninja's
Z-Examplar

Tested on Win 10 Pro 64 bits

I recently decided to try my hand at my first GOGmix and a few new titles dawned on me for this list. Since the mix is focused on source ports, these games should be applicable as DRM-free when run under their corresponding source ports:

Blake Stone: Aliens of Gold (also in the Apogee Throwback Pack)
Blake Stone: Planet Strike (also in the Apogee Throwback Pack)
Blood: One Whole Unit Blood
Elder Scrolls III: Morrowind GotY Edition

Do note that all but Morrowind also run via DOSBox, just like on GOG.

Thank you for this. I would totally have missed this gem.

Edit: But it won't be needed long since it's also coming to GOG
https://www.gog.com/forum/stasis/cayne_coming_to_gog_too/post6


So what is this GOGMix about?

Those three games are using DOSBox, so they can already run without the Steam client. You don't need to resort to a source port just for this.

Have a look if you wish, it's my attempt at noting which games have source ports available or underway. The idea came to me yesterday when tinkering with an X-COM source port. I've used several of these to good results when not playing in DOSBox for that classic feel.

https://www.gog.com/mix/games_with_source_ports

I would've noted eDuke32 (Duke3D) and DaggerXL (TES2) more properly but there are no GOG pages for those corresponding games to be properly listed.
I noted that at the bottom of that post. The source port bit came from the fact I was reminded they existed over on Steam while compiling a source port list. I specified the DOSBox part at the end since the list has a section for games distributed with DOSox on Steam.