Fill And Sort Puzzle

Pour, merge, and stack colored liquids until every tube holds a single shade — sounds simple, but the last few moves will twist your brain.

You know those sorting puzzles that start off calming and somehow turn into a full-on mental workout? Fill And Sort Puzzle is exactly that. You get a rack of test tubes, each holding a few layers of colored liquid. Your job is to shift the liquid around—one pour at a time—until every tube is a single solid color. The catch? You can only pour onto empty tubes or matching colors, and you'd better watch the space left in each tube. I hit a wall around level 30 or so. I'd stare at four half-empty tubes of blue, red, and green, sure I'd messed up beyond repair. Then I realized: pouring the red into the almost-empty tube first freed up just enough space to fix the rest. That little detour saved the whole board. That's the loop—tiny setbacks, then sudden clarity. Tapping a tube lifts the top color; tapping another pours it. No timers, no penalties, just you and the colors. It's perfect for short sessions, though 'one more level' hits hard. The visual style is bright and clean, with that soft, satisfying glassy look. If you like low-pressure puzzles that quietly sharpen your planning, this one's worth a tab.

Mouse click or tap to play

Plan two moves ahead before you tap — some pours look obvious but lock you out later. Empty tubes are your most valuable tool. Don't waste one on a temporary mix unless you have no choice. When stuck, undo or restart the level. There's no penalty, and a fresh look often reveals a move you missed. Pour from the tube with the fewest color layers first; it frees up space faster. On hard levels, focus on completing one color entirely rather than spreading colors around. If a color is buried under two others, clear the top layers somewhere else first.

Q: Is Fill And Sort Puzzle free to play? A: Yes, it's completely free in your browser with no downloads or sign-ups. Q: Can I play Fill And Sort Puzzle on my phone or tablet? A: The game works on any device with a modern browser. Tap works just like a mouse click. Q: Do I need to install anything to start playing? A: No installation needed. It runs directly in your browser as an HTML5 game. Q: Is Fill And Sort Puzzle suitable for kids? A: Absolutely. The rules are simple, there's no timer or violence, and it encourages logical thinking. Q: How many levels are there? A: Dozens of levels that increase in difficulty as you progress. The exact count varies by version. Q: What if I get stuck on a level? A: You can restart the level anytime. Some versions include an undo button, so try reversing a move or two.