Disney has ordered unauthorised copies of its Membership Penguin recreation to close, after the BBC found youngsters have been being uncovered to specific messages.
Visits to fan-run Membership Penguin Online surged in the course of the coronavirus pandemic with more than one million new players.
But racist, homophobic, anti-Semitic and sexual messages stream freely on the unauthorised platform.
Disney stated it was "appalled" by the web site, and has ordered it to shut or face authorized motion.
Membership Penguin On-line appeared to go offline on Friday afternoon.
One man involved in the website has been arrested on suspicion of possessing indecent pictures of youngsters.
Detectives say the person from London has been released on bail pending further inquiries.
Disney's Club Penguin was one of the first social networks for youngsters. Launched in 2005, it had more than 200 million gamers at its peak.
Whereas anyone might be a part of the original web site, content material filters and human moderators have been employed to cease inappropriate messages or personal info from being shared.
But Disney closed the website in 2017.
Since then, unofficial clones of the website have been operated by followers. These personal servers have been launched using stolen or copied supply code, and may easily be found by youngsters looking the web.
Membership Penguin On-line is the most important of the social network's unofficial and unauthorised clones. It says its reputation has exploded in the course of the coronavirus pandemic and now has seven million registered players.
The BBC arrange an account on the English, Spanish and Portuguese variations of Club Penguin On-line.
- content material filters designed to remove offensive language had been disabled on a number of servers, permitting swear words, homophobic slurs, anti-Semitism and racist messages to be posted publicly
- moderators have been not removing racist content. One participant invited the BBC to their igloo, which was adorned to spell out the n-word
- players have been partaking in "penguin e-sex", sending and receiving specific messages
Disney's unique recreation banned the sharing of private particulars, but gamers on this cloned website are brazenly sharing Snapchat, Instagram and Discord account details.
A Zoom "meet-up" was additionally advertised and codes and passwords shared brazenly.
Although it's unimaginable to verify the age of users, many advised the BBC they have been teenagers, and there were youngsters enjoying, too.
Kaden, 14, informed the BBC there were areas of the sport where it was protected to function - however most gamers have been within the unprotected "mature" sections.
He stated the conversations he had seen made him extraordinarily uncomfortable.
"Any kid can click on these mature sections they usually simply see all this inappropriate stuff," he stated.
"I've seen individuals promote strip club igloos, I've seen individuals ask for pimps. There's a number of swearing on there and I have been requested lots of loopy things. It's actually put me off happening these mature servers."
Kaden's dad, Rick, advised the BBC he had no concept what was occurring within the recreation.
"I am shocked. I assumed that if he is on Club Penguin, then he's in a reasonably protected place."
Another long-time Club Penguin fan, teenager Miranda, stated the game had "gone from being family-friendly and fun to being monstrous".
Membership Penguin Online is the most important personal server and uses Disney's branding.
One former employees member informed the BBC the venture had made about £9,000 via adverts, whereas a lot of the employees have been young unpaid volunteers.
Competitors between Club Penguin Online and different unofficial variations of the sport had escalated prior to now six months.
Server house owners accused one another of hacking and harassment. One stated it was a poisonous group, "like Recreation of Thrones with penguins".
The Membership Penguin On-line volunteer claims he was inspired to carry out assaults on rival servers when he was a minor.
"I might discover out and publish [users'] private details, like addresses, what they seemed like, their family's info. I carried out DDoS (distributed denial of service attacks) on other customers, and I might threaten individuals. The stuff that I did was just like what occurred to me, which affected my entire household, but I do feel actually dangerous about it now."
A present Membership Penguin Online employees member denied that this type of activity was encouraged.
Some players assume the toxic culture on a few of these fan servers is a wider drawback that wants addressing.
Gaming YouTuber Simi Adeshina, recognized on-line as Tamago2474, stated: "These personal server games are being run by people who aren't really able or qualified to do so. It's all good and properly to have a group that you've got built, but whenever you get to a sure measurement there's a point the place you need to should make use of a level of professionalism."
Stop and desist
Disney has issued copyright notices to all personal server games, giving them a deadline to shut down or face legal action.
In statement, it stated stated: "Youngster security is a prime precedence for the Walt Disney Company and we are appalled by the allegations of legal exercise and abhorrent behaviour on this unauthorised web site that's illegally using the Membership Penguin model and characters for its personal purposes.
"We continue to implement our rights towards this, and different, unauthorised makes use of of the Club Penguin recreation."