Kaiji and Liar Game are run by the same company:

Total posts: [2]
1 Noaqiyeum1st Nov 2010 04:19:39 PM from empty rooms and silent halls , Relationship Status: Showing feelings of an almost human nature
The it-thingy
One of them is slightly more fictionalized than the other.
Sing a song of sickness

A socketful of eyes
I read this as Kaji and Liar Game are run by the same company.
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You need to Get Known to get one of those.

Total posts: 2