Sumaddle vs Tectonic | Logic puzzles

• “Brilliant puzzle game”, UK App Store review Apr 2025 • “Best Puzzle Game I’ve Ever Played”, US App Store review Jan 2025 • “The ONLY iOS game I've never gotten tired of”, Reddit review Apr 2024 This type of logical puzzle was first seen in the Japan Puzzle Championship 2006 and is sometimes known as Doppelblock, or Smashed Sums. When played with pencil and paper, these puzzles can be hard work to solve. Sumaddle changes that by adding the essential element of interaction. This transforms the puzzles into intriguing brain teasers that unfold before your eyes. Each puzzle has a unique solution. Finding the solution involves fitting the number combinations to the clues. The app makes it easy to view the possible combinations, you don’t need to do any sums in your head. Instead, you can focus on using logic to narrow down the combinations and find a fitting arrangement. Some reasons why you will enjoy playing Sumaddle: • puzzles range in size and difficulty from small and simple to large and mind-blowing • more than 150 puzzles are included for free • all puzzles can be solved with pure logic, no mental arithmetic required • the sophisticated built-in help can explain the logical reasoning at each step and also fix mistakes if you go wrong • the built-in help is completely free, use it as much as you like • works offline (great for long journeys) • a high standard of accessibility, including comprehensive support for VoiceOver • ad-free play - there are absolutely no ads! IGRS age rating (Indonesia Game Rating System): 3+ Designed and developed in Winterthur, Switzerland

Tectonic (a.k.a. suguru puzzle, jigsaw sudoku or number blocks) is a fun and free logic puzzle. The perfect alternative for the popular sudoku. The puzzles start of simple to help you master the number logic and soon you won't be able to let this addictive game go. Just like with sudoku you complete the board by filling in the missing numbers. The number of cells in each region determine how many numbers should be placed. Do you use hints or do you accept the logic problem challenge and get to the top of the leader board? Tectonic gameplay rules Tectonic rule #1 is that a cell has to contain a different number than its neighbouring cells. This applies to both neighbouring cells in the same region and those in adjacent regions. Tectonic rule #2 is that the number you drag to a region can not be higher than the number of cells in that region. Tectonic logic puzzles features -- Fun sets of Tectonic logic puzzles with increasing difficulty. Starting with a 4x4 grid and gradually dialling up the difficulty to make sure you continue to be challenged. -- Various shapes challenging you to continue to fill the puzzle grid with more and more challenging board set ups. Fun for adults and kids alike! -- Compete against other players in the leader board and beat their game scores. -- Relaxing music and design to comfortably tune out while playing. -- Addictive gameplay just like sudoku. Play this logic grid puzzle when you are bored or want to train your brain. Become a Tectonic pro Take your time with filling in the board. The challenge is in playing all the levels! Using as few hints as possible while completing the fun logic puzzles. The ideal sudoku alternative For those logic puzzle players out there that are looking for a new puzzle challenge, Tectonic is the app to play! With changing shapes like jigsaw soduku, but even more variety from changing numbers. So not just 1 through 9. Tectonic is the ideal logic puzzle that requires you to engage your brain but still allowing you to relax as you progress through the levels. The ideal sudoku alternative! This app contains ads and in-app-purchases.