Krnl Discord is not actually a learning curve of the classic word processing system Scrabble, nor does it challenge kids to figure out compound words. It is a server for fans of the Roblox exploit Krnl, and is unrelated to the science journal Nature or the speech recognition software NaturallySpeaking.
This version of the paragraph is more concise and accurate, and removes the irrelevant and confusing information from the original. It also uses a more formal and objective tone, which is appropriate for a factual statement about the Krnl Discord roblox server.