2channel

2channel or otherwise called 2ch, was said to be an official homepage for players to post at.

Background
2channel could allow a player to distribute their own data onto the site's homepage. From that moment forward, there will be all sort of YGGDRASIL players like God’s Craftsmen accessing the site. This site could even do things such as form a partnership with an illustrator and have them make a special guest appearance into their site.Overlord First Half Chapter 1: Prologue Part 1

Among the posts found in 2channel, Momonga who is the Guildmaster of Ainz Ooal Gown said frustratingly that despite the rare metals getting stolen by the enemy guild, they still had extras with them to use in making the 72 golems, but was unsure whether they can actually create them all due to insufficient resources.Overlord First Half Chapter 60: Settings

During other instance, on 2channel, there had been an entire article dedicated to the Mask of Envy in a YGGDRASIL Thread.Overlord First Half Chapter 9: Despair According to Maruyama, the most viewed thread on 2channel was "Man trains his body for the sake of DMMO" thread.ARCADIA 2.7: ARCADIA 185 5-22-2010

Additionally, someone made a post on 2channel, commenting how beat up players were from their experience with Kyouhukou in the Great Tomb of Nazarick as it made them hurriedly log-out from the game. Because of that terrible experience, information was shared in the site about how ridiculous that Black Capsule room on the 2nd Floor was for them.ARCADIA 2.24: ARCADIA 2256 3-09-2011

The site also includes listing Horn of the Goblin General as a dangerous item to obtain and use.Overlord First Half Chapter 12: Departure

Trivia

 * Just going by their name alone, 2channel most likely have some sort of connection with the 2ch Alliance guild in YGGDRASIL.