Train your brain with best Sudoku puzzles.

Sudoku Heart, is the best classic puzzle game, for beginners and advanced players

Features:

❥ 5 difficulty levels: Easy, Medium, Hard, Very Hard, Extreme - From BEGINNER to EXPERT level

❥ More than 10000 high quality classic Sudoku puzzles

❥ Advanced game options

❥ Night mode

❥ For phones and tablets

❥ Collection of hand picked rare Sudoku puzzles

❥ NO WIFI? Play offline anytime

❥ 2 input modes: Digit first, Cell first

❥ Portrait and landscape play options

❥ Pencil marks (Notes) with auto fill option

❥ Show digit counts option

❥ Timer

❥ Selected cell highlighting

❥ Incorrect digits

❥ Unlimited Undo/Redo

❥ Portrait and Landscape Views

❥ Auto-save

Train your brain with classic Sudoku brain teaser

Sudoku Heart

A truly classic logic game with 6 difficulty levels:

❥ Very Easy

Basic, fun to play, very easy to solve. Ideal for first time players.

Techniques: only basic rules

❥ Easy

Quick to solve. Great for beginners/novice players.

Techniques: Hidden singles in blocks only

❥ Medium

Moderate challenge.

Techniques: Requires hidden singles in row or columns in order to be solved

❥ Hard

Challenging puzzles.

Still can be solved without writing candidates in empty cells.

Techniques: Requires direct pointing, direct claiming, direct hidden pairs, naked singles

❥ Very Hard

Advanced - requires advanced solving techniques.

For pro players

❥ Extreme | Fiendish | Diabolical

Hardest puzzles - requires advanced solving techniques & strategy - very tough, real brain tester. Only if you are an expert.

How to play:

Every column, every row and every 3x3 block in the grid must have all the numbers from 1 to 9 exactly once.

Available in:

English

Chinese (Hong Kong)

Chinese (Simplified)

Chinese (Traditional)

Croatian

French

German

Hindi

Italian

Japanese

Korean

Portuguese (Brazil)

Portuguese

Russian

Serbian

Turkish

NOTE: This Sudoku app can be used offline / without an internet connection!