Support for GNU/Linux was promised on the Greenlight page , and I'm pretty sure it was listed on the game's page before the release. So, where is it?

As topic.

It's a shame we can only have the old SD version, which is also too dark to be really enjoyable. So, please make the HD version available on Steam! :)

Nice to see Sig.Null on Steam! It was a very solid puzzle game I've once beaten, so I decided to buy it and beat all the levels again (yes, including Exceptions Storage!). I've just beaten all the sections and the game, with all their respective achievements, but it seems that #200 (OK) (100% Complete), #100 (Continue) (You did it at last moment) and #497 (HTTP to HTTPS) (You are Nginxoid) are not unlocked for me. How are they unlocked? (I think I might have broken the 100% complete one, because I left t...

Just wondering if there is something extra required to unlock this achievement? I have all other achievements. Thank you.