Często występują w formie loterii kasynowej, np.
https://neoternia.net/viewtopic.php?t=325042
http://forums.shlock.co.uk/viewtopic.php?f=2&t=431835
http://52she.top/forum.php?mod=viewthre ... 014&extra=
http://treasureillustrated.com/showthre ... tid=304355
viewtopic.php?t=135280
https://mmomakemoneyonline.net/threads/ ... ot.516888/
https://debate.socialism.nl/forum/showt ... tid=152530
http://aficionado.pl/showthread.php?505 ... e&p=548902
http://881.cz/forum.php?mod=viewthread&tid=29027&extra=
https://mliia.com/thread-352613-1-1.html
http://qrfonline.qrfmag.com/qrfswap/vie ... hp?t=72282
http://aficionado.pl/showthread.php?512 ... j&p=556453