Sift vs Fill It Right

Think fast. Make connections. Challenge your friends. Sift combines word puzzles, trivia, general knowledge, geography challenges and multiplayer party games into one brain-training experience. Play alone when you want a quick challenge or bring your friends together with Sift Party. WORD PUZZLES Study sixteen words and discover the hidden connections between them. Sort the words into four correct groups while avoiding mistakes. Every puzzle tests your vocabulary, logic and ability to spot patterns. TRIVIA & KNOWLEDGE CHALLENGES Put your knowledge to the test across a growing collection of categories. Explore questions covering geography, history, science, mathematics, sports, culture, entertainment and general knowledge. FLAGS Recognize flags from around the world and discover how strong your geography knowledge really is. CAPITALS Match countries with their capital cities through quick knowledge challenges. SIFT PARTY Bring everyone into the game. Create a multiplayer room, share the room code and let your friends join from their own phones. Choose a quiz, answer questions, place your bets and compete for points while the host manages the match. Sift Party includes different themes such as world geography, history, science, general trivia, sports, movies, music and more. PLAY IN YOUR LANGUAGE Sift supports five languages: * English * العربية * Français * Español * Português Arabic includes a dedicated right-to-left experience designed specifically for Arabic-speaking players. ONE GAME, MANY CHALLENGES * Word connection puzzles * Trivia quizzes * General knowledge * Flags and countries * Capital cities * History and geography * Science and mathematics * Sports and entertainment * Multiplayer party games * Private rooms and room codes * Five languages * Progressive puzzle difficulty * Helpful hints Whether you're solving a difficult word group, trying to recognize a flag, answering a science question or competing against friends, Sift gives you a new way to challenge your brain. How much do you know? Start Sifting.

Fill it Right — Rectangle Logic Puzzle Sharpen your mind with Fill it Right, a satisfying logic puzzle where every solve feels earned. Each board gives you numbered clues — your job is to divide the grid into perfect rectangles, with every clue sealed inside a shape that matches its exact size. No guessing, just pure logical thinking. Simple to learn in your first puzzle, yet deep enough to challenge you for hundreds of levels ahead. Whether you have two minutes on a break or twenty minutes to unwind, Fill it Right adapts to how you like to play. Features Hundreds of handcrafted puzzles across increasing difficulty levels Clean, distraction-free design built for focus Light and dark modes for comfortable play, day or night Helpful hints when a puzzle has you stuck Undo and redo to freely test your ideas Smooth, precise touch controls made for mobile No login or account required — just open and play Track your progress and build your solving streak How to Play Tap and drag to draw a rectangle on the grid. Each rectangle must contain exactly one number, and that number must equal the rectangle's total area. Keep going until the entire grid is filled with no gaps and no overlaps. Easy to pick up. Deeply rewarding to master. Fill it Right is the calm, focused puzzle experience for anyone who loves a good logical challenge