https://SerpentineGame.com https://SerpentineGame.com brings in close to that with advertisements and premium subscriptions. It is a clone of a game called Tan

https://SerpentineGame.com https://SerpentineGame.com brings in close to that with advertisements and premium subscriptions. It is a clone of a game called Tangleword that is itself a clone of Boggle. I originally wrote it in 2008 and am currently re-writing it from scratch because the technology stack is so old and cumbersome to maintain.