Content Leak: A bot on Twitter was made to spitefully leak the next day's word by using coding from the website, angering a lot of people. Fortunately said bot got banned. One could also dive into the source code and find out every single word available up until October 20, 2027.
Follow the Leader: The game quickly spawned a lot of clones, including various foreign languages.
Absurdle (a version based around being as adversarial and difficult as possible, including a mechanic that changes the guessword mid-game)