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 find all the differences in this series of pictures from a comic? Look at the pictures carefully. They are not exactly the same. Click on all of the differences you find. If you get stuck you can ask for a hint.
2 / 10
Try to get the black truck off the platform each time. You can make the cars drive and push off the other cars if you need to. Just make sure you hit the brakes on time.
8 / 10
Pop the graffitis as they hobble through the level. This will result in a number of colours. Sometimes you'll have to mix as many colours as you can, other time you'll have to paint over tags. Have fun!
8 / 10
Can you puzzle with tetris blocks? Fit all the blocks into the square. You can flip or rotate blocks by picking them up and hovering over the FLIP and TURN blocks.
8 / 10
Gluey is a highly original variation on the bubble beaker games. The rules are the same, but the look of the game is totally different. Check it out!
6.3 / 10
Find the Objects in Space Station
Can you find all the lost objects in this space station? You have ten minutes to find all the objects indicated on the right. Ty not to make any mistakes!
7.6 / 10
Infectonator Christmas
Not at all crazy about Christmas? Not looking forward to spending time with your family in the holiday season? Play this not so jolly Christmas game and infect everyone with the zombie virus.
8 / 10
Tap the girls in bikinis on the buttocks. Do it in the right order though. Copy the exact order the computer demonstrates each time.
8 / 10
Isis Differences
Find all the differences in this book with a spooky tale about the unnatural. There are plenty of pictures to solve. Once you click on a difference, the picture will fix itself, and that difference will vanish.
0 / 10
What's Your Sign
Can you get all the sums to make sense? Fill in the blank in the sum with the appropriate symbol. Should you add, subtract, multiply or divide?
8 / 10
25 Cities of Germany
Are you going on a holiday to Germany? This map quiz is a great way to get to know a little more about the country's topography. How many German cities do you know?
8.3 / 10
A fun strategy game. You are assigned tiles with random numbers. They can reinforce your own tiles, or seize any adjacent tiles of the other side when their own number is higher. 20 is the highest number.
8 / 10
The Great Bathroom Escape
Can you escape from this extremely orange bathroom? Look around for objects you can use to escape and see how you can solve the puzzle and break out of the room.
8 / 10
Hoshi Saga
The objective in each level of this series of microgames is to find the star. Pick a level and search behind items and shapes, or break the right block in order to find it.
8 / 10
Master Solitaire
Play away all 52 cards in this simple edition of patience. Place the aces top right and stack away all the other cards on them per suit in ascending order.
8 / 10
Asia Capitals
Test your topographical knowledge and find all of the Asian capitals on this map. Another great map game for you to practice for your geography exams, or just for fun.
8 / 10
Free Cell 3
In this game of Free Cell what makes the game a real challenge is that you are only ever allowed to more one card at a time. Good luck figuring out how to solve this one!
8 / 10
Benelux Cities
A tricky topography game. Can you link all of the cities of the Benelux with the right dots on this map? Have fun and good luck!
8 / 10
Aerial Mahjong
In this version of mahjong, you pass through different levels by solving all of the puzzles and assignments. Play a good number of these levels online, and if you enjoy the game you can also download the extended version with many more levels to play.
8 / 10
If you thought the travel sized version of Ludo was handy and fun, wait till you try this computerized version. No more losing the dice, though it remains a bitter pill to swallow when you still can't throw that six!
8 / 10