Looking for logging into the Game Center Every Time site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Game Center Every Time site. After that you can login as usual with your login credentials.
https://discussions.apple.com/thread/6044211
https://forums.galaxy-of-heroes.starwars.ea.com/discussion/174814/game-center-keeps-asking-me-to-sign-in-again-on-ios
https://forum.supercell.com/showthread.php/204762-Why-do-I-constantly-get-logged-out-of-Gamecenter
https://forums.imore.com/ios-8/335271-have-log-back-into-gamecenter-couple-times-day.html
https://www.theipadguide.com/node/106160
https://www.reddit.com/r/elderscrollslegends/comments/a1fo8r/i_have_to_login_every_time_i_open_the_app_i_get/
https://appletoolbox.com/2013/07/game-center-cant-log-in-or-sign-up/
https://appletoolbox.com/2015/10/ios-9-game-center-not-working-blank-page-fix/
https://stackoverflow.com/questions/24567967/is-there-a-way-to-keep-game-center-signed-in-on-the-ios-simulator
https://www.addictivetips.com/ios/turn-off-game-center-in-ios-11/
https://appletoolbox.com/2017/12/how-to-setup-multiple-player-accounts-in-game-center-ios-iphone-ipad/
https://appuals.com/how-to-sign-out-of-game-center-on-iphone/
https://ccm.net/faq/34556-ios-how-to-disable-the-game-center