Many of these bonus rounds involve free spins or pick a picture to get a prize.
http://forum.animogen.com/viewtopic.php?f=63&t=1582747
https://forumlylife.com/showthread.php?tid=10513
https://talkingpoints.org/subx/showthread.php?tid=16884
http://023002.com/forum.php?mod=viewthread...7125&extra=
https://sgs-game.com/forum/thread-238282.html
http://www.lada-xray.net/showthread.php?p=156735#post156735
http://forum3.bandingklub.cz/viewtopic.php...5&t=1403419
http://horsecity.ru/phpBB3/viewtopic.php?f=19&t=277662
https://debate.socialism.nl/forum/showthread.php?tid=129695
https://talkingpoints.org/subx/showthread.php?tid=1696
https://debate.socialism.nl/forum/showthread.php?tid=188668