The wiki maintains an page for related communities:
Due to the game’s controversial nature, it was never listed on mainstream platforms like Newgrounds or Kongregate. It spread via obscure forums, file-sharing networks, and private servers. As versions multiplied—from Rebirth 1 to Rebirth 4 , plus countless fan edits—a centralized knowledge base became essential. Thus, the Kasumi Rebirth Wiki was born on independent wiki-hosting platforms (often moving between Fandom, Miraheze, and personal domains due to content policies). Kasumi Rebirth Wiki
This backstory, entirely invented by wiki contributors, has become pseudo-canonical. It explains the game’s reset mechanic and has inspired hundreds of fan art pieces, stories, and even cosplay references documented on the wiki’s page. The wiki maintains an page for related communities: