They're both flawed and I use both, but if I had a gun to my head I'd just choose Steam.

If I had a gun to my head, where I buy my video games would be the last thing on my mind.

Literally.

why do you give me the link to some rental shop, refering to market? :)

Overall as my general default, I prefer to own games on GOG rather than Steam as the DRM-free aspect combined with the ability to download full installers, patches, bonus goodies is of the highest value to me personally. That is some of the strengths that the GOG platform provides to me and which I value highly.

The Steam platform provides me with value also in terms of a much wider selection of games, the multiple authorized seller storefronts in heavy competition with each other so there are collectively more sales going on at any given time. In particular the bundle sites have been fantastic for me over the years although they aren't nearly as exciting for me nowadays as they were a few years ago, however they still do get a lot of great game sales promos happening. For games that are simply not available on GOG, Steam is my primary choice as a platform, however I rarely buy things on Steam as a storefront, opting to buy them instead from one of the other authorized sites that sell Steam games as I generally get better deals.

For games that are available on both GOG and Steam, my ideal preference would be to buy or own the GOG version, however they are not always identical nor come with the exact same set of features. In some cases the GOG version of a given game is superior in one or more ways which may or may not have material value to the individual, and in other cases the Steam version may be superior to the GOG version in one or more ways to the individual. For example, I was thrilled to see Full Spectrum Warrior and its sequel show up on GOG, but I bought it on Steam instead for half the price because it was half the price on sale than GOG put it on sale for, and the Steam version has functional multiplayer and the GOG version has no multiplayer at all. More often than not the GOG versions of games are the superior ones overall I believe but the reverse is true for some games also. Depending on what I care about most for a specific game in such a case, I may opt for one store over the other depending on what I want to get out of the particular game.

Then there are giveaways/contests/steamgifts/etc. of which the majority are always for Steam games, so I'll sometimes end up owning the Steam version of games due to this because it was a gift or giveaway, whereas if I waited and bought the game I probably would have bought it on GOG eventually instead.

Another category, is games that are not yet on GOG but there is a good chance they might be some day. If I'm not overly eager to play such a game immediately, and I am patient, I may simply wait months or years in hopes that it may show up on GOG some day. If it does and I haven't won the Steam version in a giveaway or similar then I'm likely to grab the GOG version.

In a perfect world though, I'd love to own my entire game collection on GOG.com, with all games having functional multiplayer with or without Galaxy, and all games being at least equal to Steam with features or better (for the features I care about personally). Sadly we're not there yet, and while it will continue to improve over time I believe, I think there will always be reasons to use both platforms for me in the future on a game by game basis.

I have been thinking about this question recently. For me, if a game utilizes Steam workshop or has multiplayer functionality, I will default to buying it on Steam, otherwise, GOG is my primary place to shop for games.

I do prefer GOG over Steam mainly for its values but I think gog and its galaxy platform have a long way to go until they reach steam in terms of building up a unique and well-connected gaming community. For starters, amongst other features, having more game achievements implemented would be a nice thing.

There's but one thing I can't stand about steam and that's the way they've built a digital distribution platform as an excuse for earning money with questionable practices like the selling of cards, badges, booster packs, cs skins and whatnot. Gaming should be about games and art and people and not about generating revenue out of a carefully designed self-crafted economy to create market value for items controlled and created by its owner. As a socio-economic experiment steam is really interesting, as a gaming platform is just ethically wrong.

Hey Acanex, could you check your PMs please? I messaged you days ago but haven't answered back.

I buy on GOG when possible as I care less about Steam's huge selection of games than I do about having an offline installer. I basically stopped stopped gaming when retail games stopped working out of the box and began needing all sorts of activations or even only gave you a Steam code, but GOG offering fully offline installers brought me back.

OK, so we've got an overal winner - GGGGGGGOOOOOOOOOGGGGGGG

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I use both but thats because i read about the existence of steam and gamersgate in the GOG forums :D.... yup i did no know about steam and others until i read it in trhe GOG forums.
I only use steam for small casual games like HOG (Hidden Object Games) and sometime for games like Chronicles of Zerzura which are not at GOG (evnthough Black Mirror 2 +3 are and they developed Chronicles of Zerzura ).

I read about GOG in a Dutch / Belgian magazine i am buying for almost 25 years ( i think i will stop buying it cause tbh the games that are reviewed are mostly FPP shooters 3d and other games i do not like, in the beginning they had lots of simple reviews about 2d games, but after a decade or so the old shooter 3d fpp and more like that grew beyond imagination and since the price recenly got up the magazine is no longer worth my money, the paper quality is that of recycled 'toilet' paper: the pages are to thin and almost shine through and they used to much ink on such thin paper making the pages look as if it has been out in the rain.

Wouldn't Big Fish be a better choice for those?

I still use Steam a lot especially for their sales. 75% off brand name games...thats how I got Fallout Game of The Year for cheap. Also got the entire Star Wars pack of games in December 2016 for $99.99 and normally it was like over $300. Well worth it I thought

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I try to get most of my stuff on GoG but I still use Steam for AAA titles and stuff that probably won't come here like Obscure.