Fun Letters and Numbers

A Sudoku game that combines classic logic challenges with immersive experiences, designed specifically for players who love intellectual puzzle solving. Both beginners and experienced experts in Sudoku can find their own mental battlefield here. The game is based on a simple and elegant interface, integrating diverse difficulty modes, unique themed skins, and intelligent auxiliary functions, bringing new charm to traditional Sudoku Core Features
Multidimensional difficulty, free choice
Beginner's Guide: Provides teaching levels and step-by-step tips to easily master the rules.
Master Challenge: Hell level puzzles, hidden diagonal rules, irregular grid and other variant modes, testing extreme logic!
Immersive aesthetic experience
Dynamic Theme Skin: Four Seasons Scenery, Starry Sky Universe, Retro Pixel... Unlock scenes as you progress, making puzzle solving a visual enjoyment.
Soothing sound effects: freely switch between rain, light music, and white noise to help you focus and think.
Intelligent Assistance System
Real time error correction: Prompt immediately when filling in wrong numbers to avoid "one mistake ruining the whole world".
Strategy analysis: When stuck, candidate number markers can be viewed or problem-solving directions can be obtained, which retains challenge and reduces frustration.