Hangover Studios

About Sudoku

Aim your marble cannon and launch matching bubbles to burst colorful clusters before the ceiling descends!

Key Features & Highlights

Classic 9x9 grid with multiple difficulty levels: Easy, Medium, Hard, and Master
Intelligent candidate pencil notes for tracking possibilities in challenging cells
Real-time conflict detection highlighting conflicting rows, columns, and 3x3 boxes
Built-in undo/redo history and timer with pause functionality

How to Play Sudoku

1

Examine the 9x9 grid consisting of nine 3x3 subgrids called blocks.

2

Select an empty cell and input a digit from 1 to 9.

3

Each row must contain digits 1-9 without repetition.

4

Each column must contain digits 1-9 without repetition.

5

Each 3x3 subgrid must contain digits 1-9 without repetition.

6

Use the process of elimination to fill all 81 squares accurately.

Pro Tips & Winning Strategies
  • Start with rows, columns, or 3x3 blocks that already contain 5 or more filled digits.
  • Use pencil mode to write candidate notes when a cell has only two possible numbers.
  • Look for naked singles and cross-hatch rows and columns to pinpoint exact placements.

Controls & Keybindings

Mouse Left Click (Select Cell)ACTION
Number Keys 1-9 (Input Digit)ACTION
Backspace / Delete (Erase)ACTION
H (Hint)ACTION
Mobile & Tablet: Tap cell then tap on-screen number pad

Gameplay Visuals & Screenshots

Sudoku screenshot 1
Official Key Art & Banner
Sudoku screenshot 2
In-Game Showcase Art

Frequently Asked Questions (FAQ)

No! Sudoku is 100% pure deductive logic and pattern recognition. No math, arithmetic, or addition is required.

Related Categories & Tags