My antivirus program (Kaspersky) was blocking access to the entire forum plugin. I have found a workaround but I am not sure how to add it to a exception list. I know that there was lots of discussion on the KS chat about some Forum inaccessiblity.
To see this working, head to your live site.
I use the same antivirus program Kaspersky Internet Security 2017 Version 18.0.0.405 (f), and I don't have any problem with the forum...
how do I get this game?
The kickstarter campaign is already finish (https://www.kickstarter.com/projects/1723653856/re-legend-co-op-monster-raising-rpg?ref=user_menu) now you need to wait the game be realised