The games are specifically developed with algorithm tools, most notably the Return to Player program.
http://horsecity.ru/phpBB3/viewtopic.php?f=22&t=217566
http://60.250.226.63/ipkb/viewtopic.php?f=41&t=1966691
http://www.lada-xray.net/showthread.php?p=227841#post227841
http://horsecity.ru/phpBB3/viewtopic.php?f=9&t=278214
https://boards.streamweaver.app/showthread.php?tid=9724
https://sgs-game.com/forum/thread-344736.html
https://muchroom.ng/index.php?topic=66445.new#new
https://foro.murenacidos.com/showthread.php?tid=23173
https://catrachosporelmundo.com/index.php?topic=31435.msg31950#msg31950
http://eporady.starostwo.ketrzyn.pl/viewtopic.php?f=2&t=79183
http://1.s.2.free.fr/viewtopic.php?f=18&t=574112