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

Dragon Mahjong
Find the tiles the dragon brings in before he reaches the finish. Are you quick enough and sufficiently familiar with the nahjong tiles to win this game?
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
These reasonably easy but fun Sudoku puzzles are a mix between a sudoku puzzle and a jigsaw puzzle. The numbers are colour coded and spread across the field. Click and drag them into the right positions.
8 / 10
Samurai Sudoku
Not sure of a move? In this game of sudoku you can have the PC check your answers at any stage of the game. You can also use the analysis to show you all the possible way to fill out the squares at any moment in the game. Click on Clear Notes to hide these notes again.
8 / 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 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
Mahjong Towers Eternity
Remove tiles by playing Mahjong Towers Eternity. Download the extended version and create your own Mahjong level and share your creation with others, or play levels designed by other creative players all over the world!
8.4 / 10
Mahjong Gardens
Play this Mahjong game while enjoying the garden environment in Mahjong Gardens. You'll emege from these gardens relaxed after playing this game. When you select identical tiles they will form into birds and fly away. How relaxing this Mahjong Gardens game is!
7.9 / 10
Great Mahjong
In Great Mahjong you play the regular game or mahjong as a time trial. How fast are you at spotting the possible melds?
8 / 10
Mahjong Elite
Another great Mahjong variety: Elite Mahjong. Play the step by step levels of the online variety, or download the offline game for more levels.
8 / 10
Mahjong Solitaire
You have exactly 15 minutes to clear the table of mahjong tiles in Mahjong Solitaire. If you're stuck, you can reshuffle the tiles and see if you can find more combinations (melds) of tiles on the table. Remember, you can only remove tiles when you select identical tiles with no tile on their left or right. We wish you lots of fun playing Mahjong Solitaire!
8.1 / 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
Add em Up
Add em Up is a game for people who enjoy maths. Place the numbered tiles in the right positions on the board so that the surrounding tiles add up to the number you just played. When a number is over 9, only the last digit counts. Check the How To Play tab for a quick tutorial and enjoy!
8 / 10
Escape Room Chestnut
Another Escape game. Think carefully to figure out a way to leave the room. collect useful objects, combine them, and find the way out of Room Chestnut.
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
Mahjong Burger
Play Mahjong in the Fast Food world! Click at burgers, fries and shakes to make melds and clear the field.
8 / 10
Living Room Escape
Find, apply and combine the items you find in this room to build things and find your way out. Test your ingenuity and puzzle skills in this game and escape yet another room in Living Room Escape!
8 / 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
Escape the Room Ecru
Escape from this beige restaurant. Test your ingenuity by collecting and combining objects to find your way out. There are too many objects to carry at any one time, so choose wisely.
8 / 10
The Mastermind Game
Play The Mastermind Game in this online game of mastermind with an intense design. Keep cool and don't be intimidated by your looming opponent!
8 / 10