I can't write an overview based on this material. The coverage headline and excerpt are about Doctor Who and its production challenges - they're not about Knotty, the puzzle game. The word "knotty" appears only as a descriptor in the Doctor Who quote, not as coverage of the game itself.
To write an accurate overview, I'd need coverage that actually discusses Knotty the web-based puzzle game released February 3, 2023. Do you have relevant articles or updates about the game itself?
via IGN
Solving the "problems" currently plaguing Doctor Who will take time, the series' former showrunner Chris Chibnall has cautioned, explaining that the show's most pressing issue now is "primarily about money."