```xml
<?xml version="1.0" encoding="UTF-8"?>
<game>
  <title>Color Sort Puzzle</title>
  <slug>color-sort-puzzle</slug>
  <short-desc>Sort the colored blocks into their matching tubes! A challenging and addictive logic puzzle game.</short-desc>
  <categories>
    <category>Puzzle</category>
    <category>Logic</category>
    <category>HTML5</category>
  </categories>
  <keywords>color sort, puzzle game, HTML5 game, logic game, mobile game, water sort, tube sort, brain game, sorting puzzle, free game</keywords>
  <content>
# About Color Sort Puzzle

Color Sort Puzzle is an engaging and visually appealing logic game where your objective is to sort colored blocks into different tubes. The game presents a set of tubes, some partially filled with a mix of colored blocks. Your task is to meticulously move the blocks between tubes until each tube either contains blocks of a single color or is completely empty.

Based on the classic water sort puzzle concept, this HTML5 version offers a clean interface, smooth animations, and satisfying gameplay. It requires careful planning and strategic thinking to solve the puzzle efficiently. Keep track of your moves and try to complete the sort in the minimum number of steps!

## How to Play

The goal is to have each tube filled with blocks of only one color, up to the maximum capacity (typically 4 blocks).

1.  **Select a Tube:** Click or tap on a tube you want to move the top block *from*. The selected tube will be highlighted (unless a move starts immediately). The source tube must not be empty.
2.  **Select Destination:** Click or tap on another tube you want to move the block *to*.
3.  **Move Rules:** A block can only be moved if:
    *   The destination tube is empty, OR
    *   The top block in the destination tube is the *same color* as the block you are moving.
    *   The destination tube is not already full (must have space for the incoming block).
4.  **Making Moves:** If the move is valid, the top block from the source tube will animate and move to the top of the destination tube. Each successful transfer counts as one move.
5.  **Undo/Reset:** Use the "Undo" button to reverse your last move. Use the "Reset" button to start the current puzzle over from the beginning.
6.  **Winning:** The game is won when all colors are sorted correctly – every tube is either empty or contains only blocks of a single, uniform color. A "You Won" message will appear.

## Features

- **Intuitive Gameplay:** Simple click/tap interface makes it easy to pick up and play.
- **Smooth Animations:** Blocks lift, move across, and drop into place with fluid animations.
- **Move Counter:** Tracks the number of moves you've made, encouraging efficiency.
- **Undo Functionality:** Made a mistake? Easily reverse your last move.
- **Reset Option:** Start the puzzle fresh if you get stuck.
- **Responsive Design:** Adapts to different screen sizes for play on desktop or mobile.
- **Sound Effects:** Subtle sounds for selecting and dropping blocks enhance the experience.
- **Keyboard Support:** Use number keys (1-6), 'R' (Reset), and 'U' (Undo) for faster play on desktops.

## Controls

- **Mouse:** Click on the source tube, then click on the destination tube.
- **Touch:** Tap on the source tube, then tap on the destination tube.
- **Keyboard:**
    - `1` through `6`: Select tube 1 through 6 (acts as source or destination click).
    - `R`: Reset the game.
    - `U`: Undo the last move.
    - `Ctrl + Z`: Also triggers Undo.

## Tips & Strategies

- **Plan Ahead:** Look at the arrangement and think a step or two ahead before making a move. Avoid trapping necessary blocks.
- **Utilize Empty Tubes:** Empty tubes are crucial temporary holding spots. Use them wisely to shuffle blocks around.
- **Isolate Colors Early:** Try to complete a tube with a single color as early as possible to free up space and simplify the puzzle.
- **Focus on Bottom Blocks:** Pay attention to the blocks lower down in the tubes, as they are harder to access. Plan how to uncover them.
  </content>
  <faq>
    <question>How do I save my progress in the game?</question>
    <answer>This version of the game resets when closed or refreshed. It does not feature persistent level saving between sessions, but you can use Undo/Reset within a single session.</answer>
    
    <question>Can I play this game on mobile devices?</question>
    <answer>Yes, this game is designed to be responsive and works well on mobile browsers supporting HTML5 and JavaScript.</answer>
    
    <question>Is this game free to play?</question>
    <answer>Yes, the game is completely free to play in your browser.</answer>
  </faq>
  <specifications>
    <multiplayer>false</multiplayer>
  </specifications>
</game>
```

Color Sort Puzzle is a fun logic game where you sort colored blocks into tubes, each with one color. It's easy to play, mobile-friendly, and offers undo and reset options.


Color Sort Game

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