REM This should point to your map-gen-settings.json. REM This is the directory where you want to store the preview images. Set factorio='C:\Program Files (x86)\Steam\SteamApps\common\Factorio\bin\圆4\factorio.exe' This script is not smart enough to stop running if the generation fails from a syntax error, so you'll get 20 error messages if you generate 20 previews. REM I recommend generating 1 test preview before turning up the number to generate. REM Credit goes to /u/Dreadnougat for the original google doc that created the generate preview command. REM why are comments done with rem in this language Instructions are written in the comments off After you find a seed you like, there is a 'call :generate_map' command that you can uncomment and plug the seed into. bat with notepad++ or any other text editor). The fields are populated with default values from the google doc, let me know if they don't work. As with any code given to you by a stranger on the internet, you should read through it and make sure it's not suspicious. I thought I'd share it in case anybody else would like to use it. I took what his google doc was doing and crudely stuffed it into a windows batch file. Most of the credit goes to /u/Dreadnougat, as this is based off of his tool to rapidly generate map previews.