Enjoy Logic Puzzles with 100 unique brain puzzles of increasing difficulty and multiple sizes with no ads. These logic puzzles will keep your brain active and improve your cognitive skills. Smart Hints will teach your brain how to play and help your brain learn new patterns. Use the clues to fill in the grid and solve each logic puzzle. Work your way up from from a logic puzzle beginner to master! Use unlimited Smart Hints to see exactly which clue applies to the current board and why. Start with small 3×4 logic puzzles or challenge your brain with huge 4×7 cell puzzles. Smart Hints examine your solution so far and explain how to fill in another cell by referencing your current board position and telling you what clue to use next (internet access required). Your brain will love the extra training this provides. Other features include Auto-X for faster entry and multi-level Undo. These make it easier and quicker for your brain cells to focus on the logic! If you're complete...