To be fair, this is the greater part of casinos i have analyzed in the GamblingNews. Most slot machine games have RTPs of between 90% and 99.9%.
http://www.horsecity.ru/phpBB3/viewtopic.php?f=5&t=431092
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=3&t=193554
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=590956
https://www.ww2.site/forum/viewtopic.php?t=276085
http://users.atw.hu/tunedthings/viewtopic.php?p=437502#437502
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=553165
http://tv-online.simple-otr-mirror-alternative.de/phpBB3/viewtopic.php?f=33&t=2153
https://planeswalkers.org/viewtopic.php?t=30684
http://www.lada-xray.net/showthread.php?p=286027#post286027
https://67farms.st/viewtopic.php?t=16331
http://horsecity.ru/phpBB3/viewtopic.php?f=20&t=461926
http://raven-moon.org/forum/showthread.php?tid=277
https://sample-a11.jumgoo.com/forum.php?mod=viewthread&tid=6010&extra=
https://www.ww2.site/forum/viewtopic.php?t=400470
https://www.ww2.site/forum/viewtopic.php?t=92142
https://sample-a11.jumgoo.com/forum.php?mod=viewthread&tid=7004&extra=
http://wirtualnapolityka.cba.pl/showthread.php?tid=8640
http://www.lada-xray.net/showthread.php?p=212999#post212999
https://talkingpoints.org/subx/showthread.php?tid=87965
http://miweii.com/forum.php?mod=viewthread&tid=54821&extra=