Equation ·
Cages
Equation Puzzle
Setting up the board
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Equation ·
Cages
Equation Puzzle
Apprentice
0 XP
—
Played
—
Best Time
—
Streak
Choose a Mode
How do you want to play?
Cage Puzzle
Fill the grid · Solve each cage's equation
Equation Match
Swap tiles · Match each equation to its answer
Number Crossword
Solve equations · Fill in the answer grid
Equation ·
Cages
Choose your difficulty
Easy
Small cages · Relaxed pace
Medium
Bigger cages · Needs thought
Hard
All 4 operators · Expert logic
Daily
Same puzzle · Everyone
Board · Style
Pick your playing surface
9
3
7
4
1
8
6
5
2
Warm Paper
Classic parchment feel
9
3
7
4
1
8
6
5
2
Jungle
Dense canopy darkness
9
3
7
4
1
8
6
5
2
Neon City
Electric arcade glow
9
3
7
4
1
8
6
5
2
Midnight Ink
Sleek deep universe
9
3
7
4
1
8
6
5
2
Rose Gold New
Warm blush elegance
Equation ·
Cages
Preparing Puzzle
Generating your board
Equation · Cages
Easy
0:00
Time
0
Moves
3
Hints
Mistakes:
Across
Down
Puzzle Solved!
Easy · Completed
0:00
Time
0
Moves
0
Mistakes
+0
XP
Best Times
Achievements
Settings
Audio
Sound Effects
Moves, errors and win sounds
Gameplay
Show Errors
Highlight incorrect numbers in red
Highlight Same Numbers
Show matching digits when a cell is selected
Animated Particles
Floating background particles
Background
How to Play
The Goal
Fill the 9×9 grid with digits 1–9 so no row or column repeats a number, and every bold-outlined cage's numbers satisfy its equation in the corner.
Rows1–9 once each
Columns1–9 once each
CagesSolve the equation
Pencil Mode
Tap the pencil button or press P to jot candidate notes in a cell instead of placing a final answer.
1–9Place digit
DelErase cell
PPencil mode
Ctrl ZUndo
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