After it's removal years prior, the NG Chat was announced on May 5th 2016 as a part of the Pico Day Gifts leading up to 2016's Pico Day . The Newgrounds Chat was in the works for a very long time before it's eventual release in 2016, and the following year it made a switch to become a Supporter-Only feature. 

It was developed by NG User BrenTheMan

Image of the chat before it's switch to supporter-only

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