Around 1,500 people worked on The Witcher 3 across different roles at various points in development, while the core development team was about 240 people.

Quick Scoop

If you just want the short version: the game was not made by a tiny team — it had a large global production effort behind it.

What that means

  • Core team: about 240 people.
  • Total contributors: about 1,500 people at different stages, including many disciplines beyond direct game design.

So the most accurate answer depends on what you mean by “worked on it”: 240 on the core dev team, or roughly 1,500 total contributors.