Slot games with this feature include Buffalo Blitz by Playtech, 9 Masks of Fire by Games of Global, and Quick Hits Ultra Pays Sun Dragon by Light & Wonder.
http://178.210.82.182/forum/delaproject ... ardowe-gry
https://mangband.org/forum/viewtopic.php?f=25&t=11411
http://forum3.bandingklub.cz/viewtopic. ... &t=1650871
http://users.atw.hu/tunedthings/viewtop ... 053#330053
https://bj40.cn/forum.php?mod=viewthrea ... 225&extra=
https://one-diz.3dn.ru/forum/12-27044-1#33312
http://kiteonly12.free.fr/viewtopic.php?f=10&t=28929
http://www.gztongcheng.top/forum.php?mo ... 532&extra=
http://47.88.101.141/forum.php?mod=view ... 040&extra=
http://www.prepody.ru/topic37996.html