There are tons of available puzzles; the varying difficulties are great; add on expansions give you a ton of puzzles for the money. Little random things:this does let you auto fill results with one click, gives you options to show wrong boxes and erase them, use hints, undo last moves, grades your response time from casual to master, and all those good things. Quick fix on bugs.
CarrieSchultz about Logic Grid Puzzles: No Ads