Certains des casinos virtuels proposent, pour leurs machines à sous, des modes Démo (ou Try for Free).
http://forum.spolokmedikovke.sk/viewtopic.php?f=18&t=1129515
http://forum.spolokmedikovke.sk/viewtopic.php?f=15&t=969866
http://forum.spolokmedikovke.sk/viewtopic.php?f=17&t=795286
http://gwenael.free.fr/diss3/viewtopic.php?f=8&t=41598
http://strada.bielsko.pl/1_lubelskie/forum/4-zadaj-pytanie/628612-gagnez-enormement-avec-la-machine-a-sous-en-ligne-wheel-of-wishes#628612
http://1.s.2.free.fr/viewtopic.php?f=18&t=298654
http://forums.shlock.co.uk/viewtopic.php?f=2&t=423881
http://1.s.2.free.fr/viewtopic.php?f=2&t=300679
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=241329
https://www.ukalachat.net/forum/index.php?topic=15155.new#new
https://mahayu.link/forum.php?mod=viewthread&tid=11791&extra=
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=9&t=252778
https://mangband.org/forum/viewtopic.php?f=11&t=11264
http://forum.spolokmedikovke.sk/viewtopic.php?f=22&t=949616
https://teamaxg.com/showthread.php?tid=93951&pid=117974#pid117974
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=5&t=172608
http://forexam.ru/component/kunena/?func=view&catid=17&id=165448#165448
http://horsecity.ru/phpBB3/viewtopic.php?f=35&t=420255
http://kiteonly12.free.fr/viewtopic.php?f=6&t=168878