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:Krismas Mahjong, Jewels of Arabia, Gummy Blocks, Gun Builder 2, Winter Mahjong, Adam and Eve: Sleepwalker, FunGamePlay Pyramid Solitaire, Adam and Eve: Adam the Ghost, Tiles, The Maze HD

Jyllands Kakuro
Every day the Danish newspaper Jyllands Posten brings you a new kakuro puzzle here. So go ahead and bookmark it now for daily kakuro fun!
2 / 10
Fill in the numbers and solve the puzzle. Numbers can't occur more than once per line or column, and they must all add up to the numbers displayed at the head of each column or line. Can you do it? Hover your mouse over the numbers given to see the sum options.
8 / 10
Kakuro Cross Sums
Fill in the numbers in the cross puzzle. You can use the number 1-9 once per row or column. Can you fill in the right numbers to make them add up to the number written on the side?
8 / 10
Kakuro Master
This kakuro puzzle displays all the possible numbers you can fill in for every square you hover over with your mouse. Very useful, especially to beginning players.
8 / 10
Kakuro Puzzle
Play over 500 different kakuro puzzles in this game. They are divided over lots of different degrees of difficulty, so there are enough puzzles for every sort of player.
8 / 10
Colour in the whole shape with your mouse. Go to the green block and then try to make the whole shape go red without leaving the shape. Try to find the right path through the shape.
0 / 10
Kiba and Kumba Puzzle
Can you make all the pieces of these Kiba and Kumba puzzles switch places until the picture is complete? Have fun completing these cute jigsaw puzzles!
8 / 10
Kidnapped by Robots
In this game you've been kidnapped by robots and must try to escape from them. Can you click on the right items and find the objects that will be useful to you as you find your way out of this trap?
8 / 10
Kill No One
Jump over your opponents. This will cost them one life. You have to grab all the coloured keys you need to open the doors and get to the flag, but you also have to make sure nobody dies. Take a good look at how many lives each opponent has left before you start jumping over them. Each opponents needs to have at least 1 remaining life.
8 / 10
Killer Sudoku
The name says it all, Killer Sudoku is a collection of very difficult Sudoku games. These games are for the advanced player only!
8 / 10
Try to get 3 or more of the same shapes in a row. Play them away and score enough points. You will have to score a certain amount of points to make it to the next level.
0 / 10
King of Bridges
Build bridges between the little islands and make sure you build exactly the right amount. Try to build enough bridges to connect all of the different islands. Can you do it?
8 / 10
King of Shapes
Try to get the block to fall in the right place every time. You will have to build some constructions first so that the block ends up above the line. Then you can click away the other blocks to make the target block fall.
8 / 10
King's Troubles
Somebody is trying to knock over the king. Grab your pencil and build an object in the blue box that will stop the cannonball.
0 / 10
Kitchen Escape
Escape from this lurid kitchen using the items you find. Combine items and construct new items in this game that challenges your ingenuity and observatonal skills.
8 / 10
Kitty Diver
Your Kitty Diver is diving for the golden seashells hidden underwater. Can you collect them all by breaking the blocks of ice and clearing a path for kitty? Make sure to avoid touching any of the sawblades and other dangerous objects that might damage kitty's diving suit!
0 / 10
Kitty Quiz
Do you love cats and kittens? In the fun quiz game Kitty Quiz, you can try to identify the breed and professions of all the different cats. Click on the right answer and try to remember them all in this adorable game.
0 / 10
Klaverjassen 2
Play now the Dutch Klaverjassen 2 game for free!
8 / 10
Play a fun game of solitaire. In this game you play by the Klondike rules. Stack the cards in the 4 empty spaces above from Ace up through the pack and ending with the king. If you click the stack 3 cards are turned at the same time. Stack the cards by number and one colour on the other. For instance, an 8 of any black suit can go on a 9 of any red suit.
8 / 10
Klondike Solitaire
Try to stack away the cards in the right order to clear the field and win this gold seeker's version of solitaire. You can turn 1 card each turn, and undo up to 3 moves. Enjoy this great patience game!
0 / 10