Penny Dell Logic Puzzles to keep your brain active! These classic puzzles are for the true logic problem fanatic! Try the first ten puzzles for free with no ads, no nags and full functionality. 630 more puzzles are available for purchase in groups of thirty, for hours of puzzling fun!"Easy to use. I enjoy these more than the books.""I've always loved Dell's logic problems and this app is just like the classics.""I found it to be incredibly intuitive and user friendly. Def worth 5 stars!!!""Always enjoyed the puzzle books before...But this app is great...Very challenging and fun to solve."Keep your mind sharp with these stimulating logic problems that will exercise your brain muscles a great introduction to deductive reasoning! Enjoy a range of problems at multiple difficulty levels.No more erasing. Multi-level undo and Auto-X let you focus on the logic. If you get stuck, you can choose to erase errors or get a hint. Zoom the grid to fit your screen - from phone size to the largest tablet.The app supports iOS accessibility features, including VoiceOver, Larger Text and Dark Mode. Quality software by Egghead Games. Contact us with questions at [email protected] puzzles Copyright 2018-2020 PennyDellPuzzles.com