Enable disable games allows to enable and disable any game in the below game search page, click on edit game pencil icon, it will open the game details in new window, in then new window in Devices windows enable or disable and click save , the specific games status will be changed.
For Bulk update click on select all and click on Bulk edit and and enable or disable the selected games and save.
https://cms.dragongaming.com/en/cms/games_search
Enable/disable games