Fill the Void vs Sternzy

Put the pieces together and test your perception in this shape-based puzzle game! Created by Sean Williams with audio design by Anya Yatskova

Water Sort: Cat Puzzle is a relaxing color-sorting puzzle with a cozy feline twist. Pour the colored liquid from tube to tube until each one holds a single color — easy to learn, satisfying to master, and just tricky enough to keep your brain happy. Every tube is a sleepy cat waiting to be sorted. Fill it with four matching colors and it gives you a happy little wink. FEATURES • Endless, ever-harder levels — from a gentle warm-up to genuinely brain-bending • Calm, satisfying pour-and-sort gameplay you can play one-handed • A playful cat theme with cheerful encouragement as you go • Special level twists to keep things fresh: hidden colors, mystery tubes, bombs, frozen vials, color swaps and more • Earn credits through daily rewards and play, then spend them on hints and extra vials when you're stuck • Undo your moves or remix a board anytime — no timers, no pressure • Game Center leaderboards (Highest Level, Total Stars) and achievements to chase • Color-blind friendly display options • Play offline, anywhere Made with love by one indie developer. If you enjoy it, the in-app Tip Jar is a kind way to support more updates — and you'll get bonus credits as a thank-you. No ads. Just you, the colors, and a few very patient cats.