3 Heads & 5 Hats (Brainteasers ) ★★★
A Quiz (Brainteasers ) ★★★
Abracadabra with Apples (Basic Puzzles ) ★
Absurd Answers (Logical Puzzles ) ★★
Acquiring Animals (Harder Puzzles ) ★★★
Alien Alert (Logical Puzzles ) ★★★
All Apples (Mathematical Problems ) ★★
Alphabet Blocks (Brainteasers ) ★★★
Always & Never (Harder Puzzles ) ★★★
Angled Triangle (Harder Mathematical Problems ) ★★★
Animals in Action (Brainteasers ) ★★★
Appearing Area (Harder Puzzles ) ★★
Apples and Pears (Logical Puzzles ) ★★
At School (Logical Puzzles ) ★★★
Awkward Addition (Harder Puzzles ) ★★★
Baffling Birthdays (Mathematical Problems ) ★★
Barbara's Boxes (Logical Puzzles ) ★★★
Barrel (Funny Riddles & Puzzle Jokes ) ☺☺
Big Numbers (Mathematical Problems ) ★
Birthday Cake (Basic Puzzles ) ★★
Bizarre Boxes (Brainteasers ) ★★★★
Black Dots (Brain Tests & Experiments )
Boys and Girls (Mathematical Problems ) ★
Brain Dominance Test (Brain Tests & Experiments )
Busy Bus (Funny Riddles & Puzzle Jokes ) ☺☺
Buying Bitterballs (Mathematical Problems ) ★★
Buying Books (Mathematical Problems ) ★★
Cable Curve (Harder Mathematical Problems ) ★★★
Camel & Bananas (Mathematical Problems ) ★★
Car Parking (Complex Problems ) ★★★★★
Cards with Crosses (Brainteasers ) ★★
Carpet Cutting (Harder Puzzles ) ★★★
Cash for a Car (Complex Problems ) ★★★
Cat & Mouse (Complex Problems ) ★★★★
Chain Connection (Basic Puzzles ) ★★
Charlie's Chickens (Mathematical Problems ) ★★
Chessboard Chunks (Logical Puzzles ) ★★★
Circling Cyclist (Mathematical Problems ) ★★
Clever Commuter (Harder Puzzles ) ★★★
Climbing Snail (Basic Puzzles ) ★
Coconut Chaos (Brainteasers ) ★★★★
Coin Weighing (Brainteasers ) ★★★
Cold and Dark (Funny Riddles & Puzzle Jokes ) ☺☺
Color Reading (Brain Tests & Experiments )
Colored Grid (Basic Puzzles ) ★★
Colorful Dwarfs (Brainteasers ) ★★★★
Confusing Clock (Harder Mathematical Problems ) ★★★
Consecutive Elements (Basic Puzzles ) ★★
Cork in the Canal (Mathematical Problems ) ★★
Cracking the safe (Basic Puzzles ) ★★
Crazy Cows (Harder Puzzles ) ★★★
Cube Creatures (Brainteasers ) ★★★★
Cuddling Coins (Sticks, Coins & More... ) ★★★
Curious Crossroads (Basic Puzzles ) ★★
Cute Cats (Basic Puzzles ) ★★
Dangerous Discoveries (Harder Puzzles ) ★★★
Day after Day (Basic Puzzles ) ★
Dazzling Disappearance (Harder Puzzles ) ★★★
Digit Square (Harder Puzzles ) ★★
Dividing Paper (Harder Puzzles ) ★★
Dog's Mead (Harder Mathematical Problems ) ★★★
Easy Equation (Basic Puzzles ) ★★
Eight Queens (Complex Problems ) ★★★
Elegant Equation (Harder Mathematical Problems ) ★★★
Enjoy your meal (Funny Riddles & Puzzle Jokes ) ☺☺☺
Escalator Exercise (Mathematical Problems ) ★★
Eureka! (Brainteasers ) ★★★
Fabulous Fraction (Mathematical Problems ) ★★
Faites Vos Jeux (Harder Mathematical Problems ) ★★★
Family Fuss (Logical Puzzles ) ★★★
Fascinating Fruits (Harder Puzzles ) ★★
Fine Family (Harder Puzzles ) ★★
Fint the Fault (Mathematical Problems ) ★★
Four Flies (Mathematical Problems ) ★★
Four Fruits (Harder Puzzles ) ★★
Four Wise Words (Harder Puzzles ) ★★
Fourteen Fifteen (Brainteasers ) ★★★★
Freaky Frogs (Brainteasers ) ★★★
Friday the Thirteenth (Harder Mathematical Problems ) ★★★★
Fun with Fuses (Logical Puzzles ) ★★
Gas, Water & Electricity (Harder Puzzles ) ★★★
Green Green Grass (Harder Mathematical Problems ) ★★★
Growing Water Lily (Logical Puzzles ) ★★
Guess What (Logical Puzzles ) ★★
Hans & Gerri (Basic Puzzles ) ★
Happy Birthday (Basic Puzzles ) ★★
Happy Handshaking (Logical Puzzles ) ★★
Homework (Sticks, Coins & More... ) ★★
Horse Trade (Basic Puzzles ) ★★
Hotel Hocus (Basic Puzzles ) ★★
In or Out (Sticks, Coins & More... ) ★★
Jigsaw Puzzle (Funny Riddles & Puzzle Jokes ) ☺☺
John & Julia (Brainteasers ) ★★★
Jolly Jugs (Logical Puzzles ) ★★
Jolly Jungle (Basic Puzzles ) ★
July, August (Funny Riddles & Puzzle Jokes ) ☺☺
Jump & Pile (Sticks, Coins & More... ) ★★
Ladder Alley (Complex Problems ) ★★★
Leaning Ladder (Harder Mathematical Problems ) ★★★★
Lighting Bulb (Logical Puzzles ) ★★
Like a Fish in Water (Sticks, Coins & More... ) ★★
Little Lies (Logical Puzzles ) ★★★
Long Division (Harder Mathematical Problems ) ★★★
Magic Spiral (Brain Tests & Experiments )
Magic Square (Harder Puzzles ) ★★★
Make Hundred (Harder Mathematical Problems ) ★★★
Mathematical Sticks (Sticks, Coins & More... ) ★★★
Melting Snowballs (Harder Mathematical Problems ) ★★★
Men on the Moon (Harder Mathematical Problems ) ★★★
Mental Arithmetic Test (Brain Tests & Experiments )
Miraculous Mice (Funny Riddles & Puzzle Jokes ) ☺☺
Mirroring Clock (Harder Puzzles ) ★★
Miss the Mark (Harder Mathematical Problems ) ★★★
Missing Pages (Mathematical Problems ) ★★
Moving Dot (Brain Tests & Experiments )
Nine Dots (Harder Puzzles ) ★★
Nineteen Numbers Net (Complex Problems ) ★★★
Notable Number (Mathematical Problems ) ★★
Number Net (Harder Puzzles ) ★★
Number Star (Harder Puzzles ) ★★
Numbers and Dots (Brainteasers ) ★★★★
Odd Oranges (Mathematical Problems ) ★★
Old Masters (Logical Puzzles ) ★
One, Two, Three (Basic Puzzles ) ★★
Optical Illusions (Brain Tests & Experiments )
Optical Illusions: Ambiguous Images (Brain Tests & Experiments )
Optical Illusions: Possible or Impossible (Brain Tests & Experiments )
Optimist (Funny Riddles & Puzzle Jokes ) ☺
Painting Problems (Harder Puzzles ) ★★★
Palindrome Puzzle (Mathematical Problems ) ★★
Parking Place (Harder Puzzles ) ★★
Pastor Petersen (Harder Mathematical Problems ) ★★★
Penny through the Paper (Sticks, Coins & More... ) ★★
Pirate Treasure (Brainteasers ) ★★★★
Placing Bricks (Logical Puzzles ) ★★★
Plus & Minus (Mathematical Problems ) ★★
Plus Puzzle (Basic Puzzles ) ★★
Poor & Rich (Basic Puzzles ) ★★
Postman Pat (Mathematical Problems ) ★★
Pregnancy Test (Funny Riddles & Puzzle Jokes ) ☺☺
Prince Paul (Harder Puzzles ) ★★
Puzzle Picture (Funny Riddles & Puzzle Jokes ) ☺☺
Quick Eye Exam (Brain Tests & Experiments )
Replacement Resistance (Harder Mathematical Problems ) ★★★
Rowing Across the River (Mathematical Problems ) ★★
Running through the Rooms (Harder Puzzles ) ★★★
Segmented Numbers (Basic Puzzles ) ★
Seven Rows, Sixteen Numbers (Harder Puzzles ) ★★★★
Shuffle the Sticks! (Sticks, Coins & More... ) ★
Silly Statements (Basic Puzzles ) ★★
Simple Sums (Harder Puzzles ) ★★
Six-Sided Stick Shape (Sticks, Coins & More... ) ★★
Smaller Squares (Basic Puzzles ) ★★
Sneaking Spider (Mathematical Problems ) ★★
Sock Search (Logical Puzzles ) ★★
Solitaire (Sticks, Coins & More... ) ★★★
Speedy Sums (Mathematical Problems ) ★★
Spirited Soldier (Harder Mathematical Problems ) ★★★
Splitting Shapes (Basic Puzzles ) ★★
Splitting up Squares (Sticks, Coins & More... ) ★★
Square Circles (Logical Puzzles ) ★★★
Square Puzzle (Brainteasers ) ★★★
Square Sequence (Mathematical Problems ) ★★
Square and Rectangle (Mathematical Problems ) ★★
Squared Sticks (Sticks, Coins & More... ) ★★
Stacking Coins (Brainteasers ) ★★★
Stick Shapes (Sticks, Coins & More... ) ★★
Stick Spiral (Sticks, Coins & More... ) ★
Stick Stars (Sticks, Coins & More... ) ★★
Stick Tricks (Sticks, Coins & More... ) ★★★
Stick-at-Nothing! (Sticks, Coins & More... ) ★★
Sticking Away Squares (Sticks, Coins & More... ) ★
Stopping Simultaneously (Funny Riddles & Puzzle Jokes ) ☺☺
Storm-Damage (Sticks, Coins & More... ) ★★
Strange Sequence (Basic Puzzles ) ★★
Sunny Summer (Sticks, Coins & More... ) ★★★
Super Number Star (Harder Puzzles ) ★★★★
Surprising Sequence (Harder Puzzles ) ★★★
Table for Two (Brainteasers ) ★★★
Tall Dutchmen (Basic Puzzles ) ★
Ten Sentences (Basic Puzzles ) ★★
Ten Trees (Basic Puzzles ) ★★
The Bridge (Brainteasers ) ★★★
The Cucumber Case (Mathematical Problems ) ★★
The First Quiz (Quizzes ) ★★
The King's Gold (Harder Mathematical Problems ) ★★★
The Last Word (Harder Puzzles ) ★★
The Masters Plaza (Brainteasers ) ★★★
The Prince and the Pearls (Mathematical Problems ) ★★
The Round Table (Logical Puzzles ) ★★
The Second Quiz (Quizzes ) ★★
The Triangle (Harder Puzzles ) ★★
The Truel (Brainteasers ) ★★★★
The Urinal Game (Brain Tests & Experiments )
The Wolf, the Goat, and the Cabbage (Logical Puzzles ) ★
Thoughtless Thief (Logical Puzzles ) ★★
Three Blondes (Funny Riddles & Puzzle Jokes ) ☺☺☺
Three Taps (Mathematical Problems ) ★★
Tick-Tack-Toe (Logical Puzzles ) ★★
Tittle-Tattle (Harder Mathematical Problems ) ★★★
To Know or not To Know (Brainteasers ) ★★★
Touching Sticks (Sticks, Coins & More... ) ★★★
Tour de France (Basic Puzzles ) ★
Train Trouble (Mathematical Problems ) ★★
Traveling Bird (Mathematical Problems ) ★★
Traveling Toes (Mathematical Problems ) ★
Triangle Tricks (Sticks, Coins & More... ) ★
Tricky Sticks (Sticks, Coins & More... ) ★★★
Troubled Traveler (Logical Puzzles ) ★★★
Troubling Twenty-Four (Harder Mathematical Problems ) ★★★
Turn the Triangle (Sticks, Coins & More... ) ★★
Turning Cards (Logical Puzzles ) ★★
Twins Trouble (Basic Puzzles ) ★★
Two Pots (Basic Puzzles ) ★★
Two Trains (Mathematical Problems ) ★★
Unusual Paragraph (Basic Puzzles ) ★★
Wagon Works (Logical Puzzles ) ★★★
Water Bucket (Harder Mathematical Problems ) ★★★
Weighing Marbles (Harder Puzzles ) ★★
William's Whereabouts (Mathematical Problems ) ★★
Word Sums (Harder Puzzles ) ★★★
Zebra (Brainteasers ) ★★★
Puzzles added in September 2018:

Puzzles added in March 2018:

Puzzles added in October 2017:

Puzzles added in September 2017:

Puzzles added in July 2017:

Puzzles added in June 2017:

Puzzles added in May 2017:

Puzzles added in April 2017:

Puzzles added in June 2015:

Puzzles added in July 2015:

Puzzles added in February 2015:

Puzzles added in May 2014:

Puzzles added in May 2013:

Puzzles added in February 2012:

Puzzles added in October 2011:

Puzzles added in June 2011:

Puzzles added in July 2010:

Puzzles added in January 2010:

Puzzles added in October 2008:

Puzzles added in July 2008:

Sticking Away Squares , question 6 (Sticks, Coins & More... ) ★
Squared Sticks , questions 5, 6 (Sticks, Coins & More... ) ★★
Stick Shapes , question 6 (Sticks, Coins & More... ) ★★
Cuddling Coins (Sticks, Coins & More... ) ★★★
Mathematical Sticks , questions 2, 3, 4 (Sticks, Coins & More... ) ★★★
Running through the Rooms (Harder Puzzles ) ★★★
Acquiring Animals , question 3 (Harder Puzzles ) ★★★
Cards with Crosses (Brainteasers ) ★★
Puzzles added in March 2008:

Puzzles added in January 2008:

Puzzles added in April 2007:

Puzzles added in February 2007:

Puzzles added in August 2006:

Puzzles added in July 2006:

Jump & Pile (Sticks, Coins & More... ) ★★
Six-Sided Stick Shape (Sticks, Coins & More... ) ★★
Stick Shapes , questions 1, 2, 3, 4, 5 (Sticks, Coins & More... ) ★★
Touching Sticks (Sticks, Coins & More... ) ★★★
Solitaire (Sticks, Coins & More... ) ★★★
Notable Number , question 2 (Mathematical Problems ) ★★
Puzzles added in June 2006:

Triangle Tricks , questions 1, 2, 3, 4, 6 (Sticks, Coins & More... ) ★
Stick Spiral (Sticks, Coins & More... ) ★
Storm-Damage (Sticks, Coins & More... ) ★★
Homework (Sticks, Coins & More... ) ★★
In or Out (Sticks, Coins & More... ) ★★
Squared Sticks , questions 1, 2, 3, 4 (Sticks, Coins & More... ) ★★
Stick Tricks (Sticks, Coins & More... ) ★★★
Tricky Sticks , questions 1, 2, 3, 4, 5 (Sticks, Coins & More... ) ★★★
Puzzles added in March 2006:

Sticking Away Squares , questions 1, 2, 3, 4, 5 (Sticks, Coins & More... ) ★
Shuffle the Sticks! (Sticks, Coins & More... ) ★
Turn the Triangle (Sticks, Coins & More... ) ★★
Stick-at-Nothing! (Sticks, Coins & More... ) ★★
Stick Stars (Sticks, Coins & More... ) ★★
Mathematical Sticks , question 1 (Sticks, Coins & More... ) ★★★
Puzzles added in July 2005:

Puzzles added in January 2005:

Puzzles added in November 2004:

Puzzles added in July 2004:

Puzzles added in February 2004:

Puzzles added in October 2003:

Puzzles added in June 2003:

Puzzles added in November 2002:

Puzzles added in August 2002:

Puzzles added in April 2002:

Puzzles added in March 2002:

Puzzles added in January 2001:

Puzzles added in March 2000:

Puzzles added in September 1999:

Puzzles added in February 1999:

Puzzles added in January 1999:

Puzzles added before January 1999:

2016 :