Every day a new Sudoku in 4 difficulty levels. Also with an archive of several months. Solve according to the sudoku rules: a number (from 1-9) can only be used once in every row, column or 3x3 box.
Other
Mah-Domino 
Boulangerie Escape 
Daily Nonograms 
Genial Santa Claus 2 – the Christmas Cards 
Animal Differences 
Color Burst 
Spider Solitaire 2 suits 
Ninja Ultimate War 3 
Sudoku HTML5 
Ford Mustang Cobra Jet 
Add It Up 
KICKUPS 
Tommy the Monkey Pilot 
Classic Pac 
Key & Shield 
Temple Defence 
Find Nature Difference 
Color Pin 
Christmas Words 
Raging Steel 
Ghost Ops Shooter 
Dark Lands 
Dark Prophecy 2 
Famous Paintings 2 
10 Mahjong 
Number Mahjong 
3 2 1 Spell 
Christmas Bubbles 
HALLOWEEN IMAGE PUZZLE 4 
Stalingrad 
Bugatti Car Keys 
Dr Lee UAssault