Yes, many websites provide such an option. Well, free slots are, as the name suggests, completely free to play.
https://www.clubhombre.com/mybb/showthread.php?tid=35246
http://oldsite.giessen46ers.de/fantalk/vie...=1&t=192484
http://www.lada-xray.net/showthread.php?p=140625#post140625
http://foro.goatenerife.es/viewtopic.php?f=20&t=53313
https://teamaxg.com/showthread.php?tid=9087...=10852#pid10852
http://www.lada-xray.net/showthread.php?p=163773#post163773
https://forumlylife.com/showthread.php?tid=5588
https://debate.socialism.nl/forum/showthread.php?tid=124542
https://www.ww2.site/forum/viewtopic.php?t=77416
http://forum3.bandingklub.cz/viewtopic.php...2&t=1166175
https://neoternia.net/viewtopic.php?t=433073