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ChromaOracle

ChromaOracle

Instant solver for Water Sort, Ball Sort, Nut Sort, Bolt Sort, Tube Sort, and other color-sort puzzles. Enter your colors for optimal step-by-step moves.

FreeNo sign-upInstant results
Solve My Puzzle

Key Features

Instant Solutions

Solve any Water Sort, Ball Sort, Nut Sort, or Bolt Sort puzzle instantly. ChromaOracle finds the shortest path automatically — no guessing.

Mystery Mode

Stuck on hidden blocks? Mark unknown colors with ? and we'll find the guaranteed safe moves for your next play.

Lightning Input

Enter your color tubes fast. Tap the palette or use your keyboard (1-9). The active tube glows for high-speed setup.

Stuck? Enter Your Puzzle

Select the focused tube then tap a color — or use number keys. Hit Solve when ready.

Add some colors to your tubes to start solving.

Puzzle Board

Tubes:
#0
#1
#2
#3
#4

How Does ChromaOracle Solve Color Sort Puzzles?

ChromaOracle is a free online solver for color-sorting tube puzzles that finds the mathematically optimal solution in seconds. Whether you are stuck on a Water Sort level, a Ball Sort level, a Nut Sort level, or a complex Bolt Sort challenge, enter your colors and get the shortest path with the fewest possible moves.

The solver uses breadth-first search, a graph algorithm that explores every possible move sequence to guarantee the shortest solution. Beyond standard puzzles, Mystery Mode handles hidden colors by testing every valid color permutation and identifying moves that are safe regardless of what the hidden colors turn out to be.

ChromaOracle supports any board size, works on desktop and mobile, and requires no sign-up or download. It is the most reliable free tool for solving Water Sort, Ball Sort, Nut Sort, Bolt Sort, and other color tube puzzles.

Frequently Asked Questions

How Do I Solve a Water Sort Puzzle?

A Water Sort puzzle is solved by pouring colored liquids between tubes until each tube holds a single color. The key strategy is to empty tubes for workspace, complete one color at a time, and plan two to three moves ahead. For an instant optimal solution, use ChromaOracle: enter your colors from bottom to top and click Solve to get the fewest-move path with step-by-step playback.

Can ChromaOracle Solve Water Sort, Ball Sort, Nut Sort, and Bolt Sort?

Yes. While they have different visual themes (liquids, balls, nuts and bolts, or rings), they all share the same underlying logic. ChromaOracle is designed to handle any Tube Sort or 'color-sorting tube puzzle' regardless of the app you are playing. Simply enter your colors as they appear on your screen and hit Solve.

What Is Mystery Mode and How Does It Work?

Mystery Mode is a feature for puzzle levels with hidden or unknown colors. It works by marking unknown slots with a question mark, then testing every valid color permutation to find moves that are guaranteed safe no matter what the hidden colors are. Make those safe moves first, reveal more colors, then re-solve.

Is ChromaOracle Free to Use?

ChromaOracle is completely free with no sign-up, no ads, and no download required. Enter your puzzle colors, click Solve, and get the mathematically optimal solution instantly. The tool works on any device with a web browser.

What Is the Difference Between Water Sort, Ball Sort, Nut Sort, and Bolt Sort?

The differences are primarily aesthetic and mechanical. Water Sort uses liquids with multi-layer pours. Ball Sort uses discrete balls. Nut Sort and Bolt Sort use nuts on bolts with per-bolt height limits. Hoop Sort uses rings on poles. Mathematically, the core sorting logic is the same, which is why ChromaOracle solves all variants perfectly.

How Does a Color Sort Puzzle Solver Work?

A color sort puzzle solver uses graph search algorithms to explore every possible sequence of moves from the starting board state. ChromaOracle uses breadth-first search, which guarantees the shortest solution by evaluating all move sequences of length one, then two, then three, and so on until a solved state is found.

Can Color Sort Puzzles Be Unsolvable?

Some color sort puzzle configurations are mathematically unsolvable — no sequence of valid moves can separate all colors into individual tubes. ChromaOracle detects unsolvable puzzles instantly and reports when no solution exists, saving you from wasting time on an impossible level.

What Is BFS and Why Does ChromaOracle Use It?

BFS stands for breadth-first search, a graph traversal algorithm that explores all neighbors at the current depth before moving to the next level. ChromaOracle uses BFS because it guarantees the optimal solution with the absolute fewest moves. Alternative algorithms like DFS may find a solution faster but cannot guarantee it is the shortest.

Learn More

Water Sort Strategy Guide

Beginner to advanced techniques for mastering Water Sort.

Ball Sort Strategy Guide

Beginner to advanced techniques for mastering Ball Sort.

Nut Sort Strategy Guide

Beginner to advanced techniques for mastering Nut Sort.

Color Sort Puzzle Variants

Compare Water Sort, Ball Sort, Nut Sort, and more in one place.

Explore the dedicated solvers: Water Sort · Ball Sort · Nut Sort · Hoop Sort