Hello @Lumpy . If you are not worried to use python 2, you can use my little project on : https://github.com/nordicpower/gamelistpower/blob/master/gamelist_change_attr.py

You can this syntax : gamelist_change_attr.py remove_playinfo <path_of_your_file>

@zing Super merci de s'occuper des boulets!!!!!!!!!!!!!! ça marche...