All ProjectsBuilt by Babul Raj Singh
Mobile

Sudoku

A HariPin Studio product →

A modern Sudoku game built with Godot 4

A Sudoku game for Android built in Godot 4: a fork of an open-source base, extended with note mode, a smart numpad, a multi-tier hint system and difficulty levels, then shipped to the Play Store.

Godot
Sudoku

Screenshots

Sudoku screenshot 1
Sudoku screenshot 2

What it does

🧩

Single-solution puzzles

A backtracking generator creates unique, valid puzzles with exactly one solution, from Simple to Master difficulty.

✏️

Note mode & smart numpad

Pencil marks in a sub-grid per cell, and number buttons that disable once all nine of a digit are placed.

💡

Multi-tier hints

Random hints plus "Hardest Cell" logic, alongside live row, column, box and matching-number highlighting.

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