Valve has begun beta testing Achievement Sets on Steam, which group a game's achievements and keep your completion intact when DLC and updates add more.
https://preview.redd.it/u6wcngftf4yg1.png?width=1562&format=png&auto=webp&s=e85dc2711543928d32fb844af914e27f46573b63 I have over 1000 hours in Factorio and still never got all the achievements. My first run took me around 350 hours.…