Club Penguin Rewritten (name says it all, online version of the game that resembles the Club Penguin): https://play.cprewritten.net/

Club Penguin Singleplayer Client (More consistent loading times, if that's an issue, ilimited accounts, not eligible for Banned%, you might need help from the discord): https://github.com/Thestickman391/CPSC

AND pengur

Pengur is a myth

Stfu I BELIEVE