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The old version is still around too if someone wants to see what it was like.
https://play.cplegacy.com/
This is a fan remake. The original shut down 9 years ago.
Also this probably isn’t long for this world since the most popular Club Penguin server got DMCA’d and shut down a while back.
To my understanding the game was rewritten from scratch so its good to go. I don’t think they’re allowed to profit from it though.