One of the more dedicated Starfield fans has spent around 200 hours compiling the game's skill systems based on footage and teasers.
You might think the Starfield subreddit post is the culmination of all 200 hours of research, but that's merely the tip of the iceberg. There's actually a 44-page Google document compiling all evidence of every Starfield skill, including breaking them down into categories like 'Physical' and 'Social' skills.
