idk man, you ask a good question. I think the idea has to do with the saddle you put on the invisible horse that is the game’s problem. Factorio has several complex saddles you must master to tame the beast. In factorio, you can get progressively better at using these saddles to tame even the most unwieldy scenario. Sudoku, at its heart, is not much different than factorio. However sudoku has one narrow problem with many different, increasingly nuanced ways of solving it. Factorio has many different “sudoku” style problems, but each problem needs to be handled differently, with each problem having increasing levels of sophistication. I think you might like factorio more because it’s just a bigger steak to chew on, and you’ve got the right appetite.