These effectively give you free chances to win real money playing online pokies, although such bonuses normally tend to have stricter T&Cs and wagering requirements.
http://forum.fretky.cz/jak-ji-naucit-na-zachod-fretci-toaleta-a-vse-kolem/zijn-er-slots-die-extra-beloningen-geven-voor-btc-deposito-s-t194656.html
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=611539
http://myweed.rocks/viewtopic.php?t=43137
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=503581
https://muchroom.ng/index.php?topic=94480.new#new
http://47.88.101.141/forum.php?mod=viewthread&tid=433618&extra=
http://60.250.226.63/ipkb/viewtopic.php?f=40&t=1975474
http://horsecity.ru/phpBB3/viewtopic.php?f=22&t=193444
https://muchroom.ng/index.php?topic=78534.new#new
https://foro.murenacidos.com/showthread.php?tid=12100
https://talkingpoints.org/subx/showthread.php?tid=68829
https://www.ww2.site/forum/viewtopic.php?t=93708
http://wirtualnapolityka.cba.pl/showthread.php?tid=7772
http://1.s.2.free.fr/viewtopic.php?f=13&t=308543
https://www.ww2.site/forum/viewtopic.php?p=216830#p216830
https://wietmarkt.nl/viewtopic.php?t=645558
https://democratstoughlove.com/showthread.php?tid=750
https://muchroom.ng/index.php?topic=24521.new#new
https://talkingpoints.org/subx/showthread.php?tid=56148