Sumaddle vs Letter Shift

• “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

Letter Shift is a word puzzle game with a unique gravity-based twist. Build words by using letters from two opposing grids -- tiles fall down from the top and rise up from the bottom, creating cascading chain reactions that clear bonus words automatically. Features Dual-grid word puzzle with bidirectional gravity mechanics Spell words of 4 to 8 letters using tiles from both grids Trigger cascading chain reactions as tiles shift and form new words on their own Endless mode with progressively harder levels and scaling word targets Daily puzzle with a fresh board every day and a 3-star rating system Earn and spend gems on power-ups: Shuffle, Line Blast, Hint, and Unlock Track your stats, streaks, and longest combos Daily spin wheel for bonus gem rewards How to Play Tap letters from either grid to place them in the word builder Rearrange your letters by tapping two slots to swap them Submit your word to score gems and progress toward level targets When a tile is removed, gravity shifts the remaining tiles, potentially forming and clearing bonus words automatically Complete all word targets for the level to advance PowerUps to help to when stuck Watch for bonus tiles that grant extra gems in cascade clears Three invalid submissions and you're out -- choose your words carefully