Soo Dokoo – HTML5 Sudoku Game | React, TypeScript

Sudoku is a classic logic-based puzzle game that challenges players to fill a 9×9 grid with numbers from 1 to 9. The grid is divided into nine 3×3 subgrids, often called “boxes” or “regions.” Some numbers are already provided at the start, and the goal is to complete the grid so that each row, each column, and each 3×3 box contains all digits from 1 to 9 without repetition.
FEATURES
3 Difficulty Levels: Easy, Medium, Hard
Sound Effects (toggle on/off)
Restart and Hint Button
Add or remove notes
Timer: Keep track of your progress
Mouse and Touch Controls
Fully resizable product
Save progress in browser memory (local storage)
Print game board for use offline
TECHNOLOGIES
Typescript 6.0.2 (typescript)
React 19.2.4 (react)
Vite 8.0.4 (vite)
Mobx 6.15.0 (mobx)
Shadcn-ui (shadcn)
Tailwindcss 4.1.18 (tailwind)
FILES INCLUDED
Source code (tsx, ts, json, css)
HTML5 Folder (html, js, css)
Documentation (html file)
REQUIREMENTS
Shared hosting (or VPS)
Domain or subdomain