Do you know if there are instructions and explanations for making and editing this tables in forum?
There are some instructions in the help page of the forum. It won't help you much to learn about the table formation. But remember this instructions always
Note the correct nesting of the tags, so the 'table' tags contain the 'tr' tags, which each contain an equal number of 'td' tags!
I found this topic where you can get the explanations for making the tables:
Tutorial - How to create Table in the BitcoinTalk ForumBut I couldn't find any topic with the instructions and explanation regarding this. Wasn't it you who formatted the table of the main post? Or you have done it with the help of someone else?
BTW, what are you going to do with BCH.games and Bk8btc.com? You have added them in the “Casino to Avoid” list with grey colored comments. You have also written their name in the “Grey list” without any comments.