Developed by id software, the studio that pioneered the first-person shooter genre and cr
Doom (2016) just launched on GOG, and it's on offer. I purchased straight away as I really enjoyed this one. Wasn't expecting to see more Bethesda games on GOG after Microsoft purchases Zenimax.
Not always, they only started to offer Linux support after Steam, and even then it's just a very small part of their catalog and none of their own games/products, so I think it's fair to say they don't offer Linux support but sell some products that do.