Do you like a challenge?

Not satisfied when things are to easy? Are you the kind of person who needs a challenge now and then? Try one of our puzzle games! In this overview you'll find challenging puzzles, brain teasers and brain breakers, quiz games, card games, strategy board games, and many more! Test your observational skills, find ways out of locked rooms using found objects and your own ingenuity, investigate cases lke Sherlock Holmes, work out strategies for chess and card games, or play one of the many variations on Mahjong we've collected for you. These must be the most addicting computer games, because there's nothing like a good puzzle to keep your mind sharp!

We like these games:Mahjong Titans, Mahjong Dimensions, Viaduct Designer, The Smurfs Mix Up, Railroad Shunting Puzzle, Monopoly, Gimme 5 Wildlife, Dog Mahjong 2, Mahjong Gardens, Mahjong Solitaire

Sudoku 365
Every day you can play a new sudoku number puzzle in this sudoku game. Fill in the numbers 1-9 so that only one of each appears in every row, column, and block of nine in the field.
8 / 10
Sudoku 5
Can you figure out the right numbers and fill in the whole grid? Every block and every horizontal and vertical line needs to include all numbers from 1 to 9, with no doubles. Can you solve every sudoku? You can choose to play an easy puzzle or a difficult one.
8 / 10
Sudoku Challenge
In this game you'll find lots of different Sudoku puzzles, all arranged in different levels of difficulty. Find the puzzles that match you Sudoku skills in Sudoku Challenge!
8 / 10
Sudoku Generator
Play a fun game of sudoku. You will have to fill in the missing numbers in the grid. Can you make sure the numbers 1-9 occur only once in every row, column, and every one of the 9 blocks of 9 squares?
0 / 10
Sudoku Original
This sudoku game features no less than 75 different levels worth of fun and challenging sudoku puzzles! Have fun!
8 / 10
Sudoku USA Today
Play a new game of Sudoku every day. The PC can give you useful hints when you need them. When you are not satisfied with your attempt so far you can reset the puzzle to the way it was when you began. Or, if you get fed up with this particular puzzle, you can use the solver to find out where the numbers ought to go.
0 / 10
Though the numbers take some getting used to, this game is worthwhile. click on a square to scroll through the numbers 1-9. When the square goes red, this means the number is already featured in that column, row, or block of nine squares.
0 / 10
Sunny Day
Try to turn all the clouds into smiling suns in this cheerful game. Jump over the clouds to turn the weather around. The sunny cards can jump as well. Can you flip them all over?
8 / 10
Sunny Difference
Find all the differences between these seemingly identical pictures. They are all sunny and cheerful pictures, but they are not exactly the same. Can you find out what's different?
4 / 10
Sunny Story
Can you find all the differences between the two almost identical pictures? Look carefully and see what subtle edits you can spot. How keen are your eyes?
8 / 10
Superman Jigsaw Puzzle
Can you piece together this Superman puzzle? Pick up the pieces and drag them to the right place. Starting with the corners and sides is easiest.
0 / 10
Supermarket Manager
Run your own supermarket in this managing game. Stock up on the right items, make the right decisions, and sell your products to your customers at the right prices.
8.1 / 10
Sushi Time
Play away all the sushi by making long combinations. Can you collect all the sushi on the list below? You only have a limited number of moves per level, so use them well!
0 / 10
Swap It Yet
Move around the gears and place them on the right pins so that everything slots together and all the parts of the machine are moving. Can you find the right place for all the parts?
0 / 10
Make the good blocks switch places with the evil shapes. Can you roll or drop all the bad guys out of the level but leave the good guys standing?
0 / 10
Sweet Dreamzzz
You fall asleep and travel up to space in a dream. Can you solve all the puzzle levels? Click on the different items and creatures to see what happens next. Can you figure out the right order?
0 / 10
Sweet Sevens
Count to 7 by adding up the numbered candy blocks. Can you fill the little monster's belly? You can use two or more pieces of candy. Exchange the bonus candies when you run out of ways to make 7.
0 / 10
TV Fixation
Oh no! The TV screen is broken. Now you can't watch TV! Fix the screen by moving the pieces into the right place so that you can continue watching.
0 / 10
Tactics Core
Defeat you opponents by using a better strategy. You have a same type on players and the same limited options per turn, but by making your turns count optimally you can defeat them.
8 / 10
You are given 7 shapes at random to copy with the Tangram puzzle pieces. Arrange the pieces into the right shapes as fast as you can. The faster you are, the more points you score in every puzzle.
8 / 10