Third party launchers on Steam suck, but here’s you can skip Stardock’s.
Find game location
1.1 Find the game’s location by right clicking it in your library > 管理 > ローカルファイルを参照する.
By default this is C:\プログラムファイル (x86)\Steam\steamapps\common\The Political Machine 2020
Add a launch option
2.1 Open the properties page by right clicking the game > プロパティ…
2.2 下 一般的な > 起動オプション 追加: “path\to\game\The Political Machine 2020.exe” %指示% (with the quotes) With the default install location, this would be: “C:\プログラムファイル (x86)\Steam\steamapps\common\The Political Machine 2020\The Political Machine 2020.exe” %指示%