Ryzyko dla gracza jest w nich minimalne.
http://www.horsecity.ru/phpBB3/viewtopic.php?f=22&t=306501
http://treasureillustrated.com/showthread.php?tid=297727
http://gwenael.free.fr/diss3/viewtopic.php?f=2&t=8489
https://www.ww2.site/forum/viewtopic.php?t=149723
http://forums.indexrise.com/thread-716790.html
https://neoternia.net/viewtopic.php?p=445178#p445178
http://www.lada-xray.net/showthread.php?p=128434#post128434
https://debate.socialism.nl/forum/showthread.php?tid=224377
https://debate.socialism.nl/forum/showthread.php?tid=224118
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=457055