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

Can you spot all of the five differences in this series of sets of sports photographs? You can ask for hints by clicking on one of the three cameras in the bottom right hand corner of the screen.
8 / 10
Pirates Paintings
Spot the one difference between these pictures of famous paintings and Pirate's forgeries. There's always one little detail that Pirate messed up. Can you spot them all?
8 / 10
Difference Quest
A photoplay game for the slightly more seasoned spotter of differences. Can you spot the five differences in each of these sets of photos? There's no timer, but if you really get stuck you can ask for one hint.
0 / 10
The Lost Case of Sherlock Holmes
Help the famous detective Sherlock Holmes solve the case of Anan-Thotep. An archaeologist is found driven to insanity with fear, and the mummy of Anan-Thotep has something to do with it. Can you help Sherlock Holmes solve this mysterious crime? Use your magnifying glass to spy out the more difficult clues.
8 / 10
D Finder
Find the differences between these sets of two pictures draw each time in different styles. there are five differences per picture. Can you spot them all?
8 / 10
Photo Frenzy
Can you spot all of the five differences in these sets of two pictures? Some of them are quite subtle and difficult to find. Good luck!
8 / 10
Connect 2
Connect the pictures by creating space for a line. The path from one identical picture to the next must be cleared. This way you must try to clear the entire field. However, there are many different tiles and not all of the levels can be solved completely. It's a combination of clever play but also plain luck.
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
Cheese Cake Cooking
In this fun cooking game you get to make a delicious cheese cake. Do you know how to bake one? You can learn how to do it in this kitchen!
8 / 10
Red Remover Player Pack 2
In this game you have to click away all the red blocks. The bright red ones can't be clicked away. You will have to drop these out of the level. But whatever you do, make sure you don't lose the green blocks!
8 / 10
In this game you have to fix the pipes before the water spills all over the place. Watch out for obstacles in the field, and try to score as many points as you can. Keep an eye on the water pressure though. If you're too slow it'll come pouring out!
8 / 10
The robots are all ill! They've got roboflu! the treatment is for you to use the letters and spell words with them. This will heal the sick robot cells!
8 / 10
Little Big Balance
Grab the stars by building high towers. Can you get them all. Watch out how you balance your tower out, because it's less easy than you'd think.
8 / 10
Gretel and Hansel
This artsy and fun game is based on the famous fairy tale of Hansel and Gretel who got left behind in the forest. It is one of the better escape games around on the net. Walk around, collect items and find ways to combine those items to survive the nasty tricks of the wicked witch! Watch out for the spider too!
8 / 10
Huje Tower
The adventurous sticky creatures, the Hujos, are back in a new adventure. Help them find their way out of the sewer by sticking them together to build high towers. Mind the force of the wind and make the tower as high as you can.
8 / 10
Museum of Thieves 2
Can you find all of the differences in the museum of thieves? Try to spot all the differences as fast as you can. Look carefully and see it you can find the little details that are different.
8 / 10
In each level you will have to try to copy the pattern shown. You can do this by switching around the right rows horizontally and vertically. Try to do it in as few moves as possible.
8 / 10
Helen's Return form Africa
Helen has been travelling around a bit, and now she needs to catch a plane. Except she might not make it because she's not very good at organizing things. Can you help her find the items on the list at the last moment?
7.1 / 10
Head Hunter
Fix the picture in this puzzle by moving the squares around using the one empty space. Can you figure out how to get all the pieces in the right place?
0 / 10
Pirate Encounters
Seize as much of the board as you can in this pirate-themed dots and boxes game. Play the game by yourself to practice, or play against a friend!
8 / 10