You can access the Bronze, Silver and Gold Tower, with the biggest prize lying in the Gold Tower. The Medusa - Fortune and Glory slot has a very reliable RTP of 96.62%, with regular payouts during the base game as well.
https://mliia.com/thread-351749-1-1.html
http://horsecity.ru/phpBB3/viewtopic.php?f=35&t=255297
http://horsecity.ru/phpBB3/viewtopic.php?f=23&t=435840
http://forum.spolokmedikovke.sk/viewtopic.php?f=6&t=1234844
http://www.horsecity.ru/phpBB3/viewtopic.php?f=8&t=437505
http://qrfonline.qrfmag.com/qrfswap/viewtopic.php?t=175972
http://forum.spolokmedikovke.sk/viewtopic.php?f=9&t=1179823
http://1.s.2.free.fr/viewtopic.php?f=13&t=279251
http://forum3.bandingklub.cz/viewtopic.php?f=32&t=1650490
https://www.rcfl.com.hk/forum.php?mod=viewthread&tid=39888&extra=
http://www.lada-xray.net/showthread.php?p=242639#post242639
http://forum3.bandingklub.cz/viewtopic.php?f=26&t=1658979
http://xn--b1afkfa5bn1b.xn--p1ai/forum/index.php?PAGE_NAME=message&FID=2&TID=41234&MID=46398&sessid=ecb96b9002aecaa9628cd4ce9df9b27a&TOPIC_SUBSCRIBE=Y&FORUM_SUBSCRIBE=Y&result=new
http://horsecity.ru/phpBB3/viewtopic.php?f=33&t=448107