Here is the full list of all 10 Syfy Now achievements worth 0 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Pinned a show to the home page
Watched 1000 minutes of video
Watched content from 3 or more different shows
Watched an episode or clip for the second time
Watched 15 episodes on Syfy
Watched first full episode on Syfy
Pinned Syfy to the home page
Success, Enjoy the Show
Launched Syfy for the first time
Watch 20 clips on Syfy