Play Stack N Sort — a free, browser-based stack-and-sort puzzle playable online with no download required. Stack rings and blocks, sort colors into tubes, solve clever brain-teaser levels, unlock skins, time trials and daily challenges, and enjoy relaxing yet addictive casual gameplay. Features hundreds of puzzles, undo/hint tools, leaderboards, ad-moderated and no-install. Kid-friendly, unblocked and classroom-ready — play now!
✔️ Tap & drag to move rings between poles! ✔️ Stack rings of the same color together ✔️ Plan your moves carefully – Limited space means big challenges! ✔️ Complete levels & unlock new puzzles! ✔️ Relax and enjoy satisfying stacking animations! ✨
