Oui, du moins sur certains casinos en ligne, il existe des versions de jeux gratuites.
https://boards.streamweaver.app/showthread.php?tid=17314
http://delebutik.dk/index.php?topic=58193.new#new
http://myweed.rocks/viewtopic.php?t=85914
https://muchroom.ng/index.php?topic=50340.new#new
http://1.s.2.free.fr/viewtopic.php?f=13&t=562915
http://47.88.101.141/forum.php?mod=viewthread&tid=190148&extra=
https://muchroom.ng/index.php?topic=72352.new#new
https://talkingpoints.org/subx/showthread.php?tid=77532
https://talkingpoints.org/subx/showthread.php?tid=90547
https://muchroom.ng/index.php?topic=84368.new#new
https://forum.zweb-apps.xyz/viewtopic.php?t=62498
http://foro.muvenezuela.org/showthread.php?tid=56817
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=582307
https://www.rgseven.org/SMF/index.php?topic=21145.new#new
https://debate.socialism.nl/forum/showthread.php?tid=289819
http://47.88.101.141/forum.php?mod=viewthread&tid=437317&extra=
http://vortex.mx.free.fr/forum/viewtopic.php?f=38&t=21281&sid=6348db9f6a090ac03b66c1045969cfa3
http://1.s.2.free.fr/viewtopic.php?f=18&t=302630
https://sample-a11.jumgoo.com/forum.php?mod=viewthread&tid=10774&extra=
http://eporady.starostwo.ketrzyn.pl/viewtopic.php?f=5&t=74335
http://60.250.226.63/ipkb/viewtopic.php?f=41&t=1959870
http://1.s.2.free.fr/viewtopic.php?f=18&t=252106