Don't say Scrabble is not online!
Tags need questions in order to exist. If you have a question about these topics, feel free to ask a question, and give it a tag like pc, and a user with permissions to create tags will come by and create a more appropriate tag for you.
As for scrabble, such questions might be better suited at another site on the network, Board and Card Games, but it depends on the specific question. Questions about achievements in a Scrabble mobile game might be on topic here, but questions about the base mechanics of how double word score interacts with double letter score would likely not be.