List of All Puzzles

On this page, we present a list of all our puzzles and riddles, in all our categories.

The puzzles are marked with stars (★) that show the degree of difficulty of the given puzzle. The funny riddles and puzzle jokes are marked with smileys (☺) denoting the degree of fun of the given riddle or joke.

Per category

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Gallery

3

3 Heads & 5 Hats (Brainteasers) ★★★

A

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)

B

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) ★
Busy Bus (Funny Riddles & Puzzle Jokes) ☺☺
Buying Bitterballs (Mathematical Problems)
Buying Books (Mathematical Problems) ★★

C

Cable Curve (Harder Mathematical Problems)
Camel & Bananas (Mathematical Problems) ★★
Car Parking (Complex Problems) ★★★★★
Cards with Crosses (Brainteasers) ★★
Carpet Cutting (Harder Puzzles)
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) ★★

D

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) ★★★

E

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)

F

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) ★★

G

Gas, Water & Electricity (Harder Puzzles) ★★★
Green Green Grass (Harder Mathematical Problems)
Growing Water Lily (Logical Puzzles)
Guess What (Logical Puzzles) ★★

H

Hans & Gerri (Basic Puzzles) ★
Happy Birthday (Basic Puzzles) ★★
Happy Handshaking (Logical Puzzles) ★★
Homework (Sticks, Coins & More...)
Horse Trade (Basic Puzzles)
Hotel Hocus (Basic Puzzles)

I

In or Out (Sticks, Coins & More...)
Intriguing Intersections (Harder Mathematical Problems)

J

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...)

L

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)

M

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)

N

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) ★★★★

O

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: Confusing Colors (Brain Tests & Experiments)
Optical Illusions: Possible or Impossible (Brain Tests & Experiments)
Optimist (Funny Riddles & Puzzle Jokes) ☺

P

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) ☺☺
Pretty Pets (Funny Riddles & Puzzle Jokes) ☺☺☺
Prince Paul (Harder Puzzles) ★★
Puzzle Picture (Funny Riddles & Puzzle Jokes) ☺☺

Q

Quick Eye Exam (Brain Tests & Experiments)

R

Replacement Resistance (Harder Mathematical Problems)
Rowing Across the River (Mathematical Problems)
Running through the Rooms (Harder Puzzles) ★★★

S

Segmented Numbers (Basic Puzzles) ★
Sending Secrets (Logical 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) ★★★

T

Table for Two (Brainteasers) ★★★
Tall Dutchmen (Basic Puzzles) ★
Tap and Tanks (Harder 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 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) ★
Treasure Island (Brainteasers) ★★
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) ★★

U

Unusual Paragraph (Basic Puzzles) ★★

W

Wagon Works (Logical Puzzles)
Water Bucket (Harder Mathematical Problems) ★★★
Weighing Marbles (Harder Puzzles) ★★
William's Whereabouts (Mathematical Problems) ★★
Word Sums (Harder Puzzles)

Z

Zebra (Brainteasers) ★★★

Puzzles added in September 2024:

Pretty Pets (Funny Riddles & Puzzle Jokes) ☺☺☺

Puzzles added in August 2024:

Intriguing Intersections (Harder Mathematical Problems)
Optical Illusions: Confusing Colors (Brain Tests & Experiments)

Puzzles added in February 2019:

Sending Secrets (Logical Puzzles)

Puzzles added in November 2018:

Tap and Tanks (Harder Puzzles) ★★
Treasure Island (Brainteasers) ★★

Puzzles added in September 2018:

Cute Cats (Basic Puzzles) ★★
Curious Crossroads (Basic Puzzles) ★★
Weighing Marbles, questions 2, 3 (Harder Puzzles) ★★

Puzzles added in March 2018:

Mathematical Sticks, questions 8, 9, 10, 11 (Sticks, Coins & More...)
Color Reading (Brain Tests & Experiments)

Puzzles added in October 2017:

Splitting up Squares (Sticks, Coins & More...) ★★
Fine Family (Harder Puzzles) ★★

Puzzles added in September 2017:

Fascinating Fruits (Harder Puzzles) ★★
Dazzling Disappearance (Harder Puzzles)

Puzzles added in July 2017:

Squared Sticks, questions 7, 8, 9 (Sticks, Coins & More...) ★★
Stick Shapes, questions 7, 8 (Sticks, Coins & More...) ★★

Puzzles added in June 2017:

Mathematical Sticks, questions 5, 6, 7 (Sticks, Coins & More...)
Tricky Sticks, question 6 (Sticks, Coins & More...) ★★★

Puzzles added in May 2017:

Triangle Tricks, question 5 (Sticks, Coins & More...) ★

Puzzles added in April 2017:

Prince Paul (Harder Puzzles) ★★
Mirroring Clock, question 2 (Harder Puzzles) ★★
Animals in Action (Brainteasers)

Puzzles added in June 2015:

Cracking the safe (Basic Puzzles)
Two Trains (Mathematical Problems) ★★
Notable Number, question 4 (Mathematical Problems) ★★
Colorful Dwarfs, question 2 (Brainteasers)

Puzzles added in July 2015:

Parking Place (Harder Puzzles) ★★

Puzzles added in February 2015:

Hotel Hocus, question 2 (Basic Puzzles)
Number Net, question 3 (Harder Puzzles) ★★
Word Sums, question 8 (Harder Puzzles)
Notable Number, question 3 (Mathematical Problems) ★★

Puzzles added in May 2014:

Acquiring Animals, question 4 (Harder Puzzles) ★★★
Big Numbers, question 2 (Mathematical Problems) ★
Square Sequence (Mathematical Problems)
Moving Dot (Brain Tests & Experiments)

Puzzles added in May 2013:

Day after Day (Basic Puzzles) ★
Jolly Jungle (Basic Puzzles) ★
Sunny Summer (Sticks, Coins & More...)
Optical Illusions, question 1 (Brain Tests & Experiments)

Puzzles added in December 2012:

Optical Illusions, questions 2, 3 (Brain Tests & Experiments)
Optical Illusions: Ambiguous Images (Brain Tests & Experiments)
Optical Illusions: Possible or Impossible (Brain Tests & Experiments)

Puzzles added in February 2012:

Easy Equation, question 2 (Basic Puzzles)
Fint the Fault (Mathematical Problems) ★★
Family Fuss (Logical Puzzles)
Eureka! (Brainteasers)
Table for Two (Brainteasers) ★★★

Puzzles added in October 2011:

To Know or not To Know, question 2 (Brainteasers) ★★★

Puzzles added in June 2011:

Freaky Frogs (Brainteasers)

Puzzles added in July 2010:

Number Net, question 2 (Harder Puzzles) ★★
Dangerous Discoveries (Harder Puzzles)
Word Sums, question 7 (Harder Puzzles)
Super Number Star, question 2 (Harder Puzzles) ★★★★
Miss the Mark (Harder Mathematical Problems)

Puzzles added in January 2010:

Tall Dutchmen (Basic Puzzles) ★
Penny through the Paper (Sticks, Coins & More...) ★★
Simple Sums, question 3 (Harder Puzzles) ★★
The Triangle, question 2 (Harder Puzzles) ★★
Turning Cards (Logical Puzzles) ★★
Miraculous Mice (Funny Riddles & Puzzle Jokes) ☺☺

Puzzles added in October 2008:

Happy Birthday (Basic Puzzles) ★★
Word Sums, questions 1, 3 (Harder Puzzles)
Old Masters (Logical Puzzles) ★
Sock Search (Logical Puzzles)

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:

Simple Sums, questions 1, 2 (Harder Puzzles) ★★
Traveling Toes (Mathematical Problems) ★
Guess What (Logical Puzzles) ★★

Puzzles added in January 2008:

Like a Fish in Water (Sticks, Coins & More...)
Train Trouble (Mathematical Problems)
Leaning Ladder (Harder Mathematical Problems) ★★★★

Puzzles added in April 2007:

Surprising Sequence (Harder Puzzles) ★★★
Boys and Girls (Mathematical Problems) ★
Make Hundred (Harder Mathematical Problems)
The Masters Plaza (Brainteasers) ★★★

Puzzles added in February 2007:

Clever Commuter (Harder Puzzles)
Super Number Star, question 1 (Harder Puzzles) ★★★★
Speedy Sums, question 4 (Mathematical Problems)
Three Taps (Mathematical Problems) ★★
Puzzle Picture (Funny Riddles & Puzzle Jokes) ☺☺

Puzzles added in August 2006:

Acquiring Animals, questions 1, 2 (Harder Puzzles) ★★★
Charlie's Chickens (Mathematical Problems)
Long Division, question 3 (Harder Mathematical Problems)
Cube Creatures (Brainteasers)

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:

Chain Connection (Basic Puzzles)
Splitting Shapes (Basic Puzzles) ★★
Digit Square, questions 2, 3 (Harder Puzzles) ★★
Four Fruits (Harder Puzzles) ★★
Big Numbers, question 1 (Mathematical Problems) ★
Rowing Across the River (Mathematical Problems)
Sneaking Spider (Mathematical Problems)
Baffling Birthdays (Mathematical Problems) ★★
Long Division, question 2 (Harder Mathematical Problems)
Men on the Moon (Harder Mathematical Problems)
Chessboard Chunks (Logical Puzzles)

Puzzles added in January 2005:

Easy Equation, question 1 (Basic Puzzles)
Awkward Addition (Harder Puzzles)
July, August (Funny Riddles & Puzzle Jokes) ☺☺

Puzzles added in November 2004:

Abracadabra with Apples (Basic Puzzles) ★
Tour de France (Basic Puzzles) ★
Buying Bitterballs (Mathematical Problems)
William's Whereabouts (Mathematical Problems) ★★
Absurd Answers (Logical Puzzles)
Enjoy your meal (Funny Riddles & Puzzle Jokes) ☺☺☺

Puzzles added in July 2004:

Poor & Rich (Basic Puzzles)
Crazy Cows (Harder Puzzles)
Always & Never (Harder Puzzles) ★★★
Speedy Sums, questions 1, 2, 3 (Mathematical Problems)
Notable Number, question 1 (Mathematical Problems) ★★
The Prince and the Pearls (Mathematical Problems) ★★
Dog's Mead (Harder Mathematical Problems) ★★★
The Wolf, the Goat, and the Cabbage (Logical Puzzles) ★
Thoughtless Thief (Logical Puzzles) ★★
Wagon Works (Logical Puzzles)
Fourteen Fifteen (Brainteasers) ★★★★
Mental Arithmetic Test (Brain Tests & Experiments)
Barrel (Funny Riddles & Puzzle Jokes) ☺☺
Cold and Dark (Funny Riddles & Puzzle Jokes) ☺☺
Busy Bus (Funny Riddles & Puzzle Jokes) ☺☺

Puzzles added in February 2004:

Twins Trouble (Basic Puzzles)
One, Two, Three (Basic Puzzles)
Ten Trees (Basic Puzzles)
Silly Statements (Basic Puzzles)
Smaller Squares (Basic Puzzles) ★★
Plus Puzzle (Basic Puzzles) ★★
Strange Sequence (Basic Puzzles) ★★
Seven Rows, Sixteen Numbers (Harder Puzzles) ★★★★
Plus & Minus (Mathematical Problems) ★★
Tick-Tack-Toe (Logical Puzzles) ★★
The Round Table (Logical Puzzles) ★★
Happy Handshaking (Logical Puzzles) ★★
Little Lies (Logical Puzzles)

Puzzles added in October 2003:

Unusual Paragraph (Basic Puzzles) ★★
Palindrome Puzzle (Mathematical Problems) ★★
Escalator Exercise (Mathematical Problems) ★★
Green Green Grass (Harder Mathematical Problems)
Melting Snowballs (Harder Mathematical Problems) ★★★
At School (Logical Puzzles)
Quick Eye Exam (Brain Tests & Experiments)
Pregnancy Test (Funny Riddles & Puzzle Jokes) ☺☺
Jigsaw Puzzle (Funny Riddles & Puzzle Jokes) ☺☺
Optimist (Funny Riddles & Puzzle Jokes) ☺

Puzzles added in June 2003:

Number Star (Harder Puzzles) ★★
Gas, Water & Electricity (Harder Puzzles) ★★★
The Cucumber Case (Mathematical Problems) ★★
Elegant Equation (Harder Mathematical Problems)
Spirited Soldier (Harder Mathematical Problems) ★★★
Friday the Thirteenth (Harder Mathematical Problems)
Barbara's Boxes (Logical Puzzles)
Alphabet Blocks (Brainteasers)
Stopping Simultaneously (Funny Riddles & Puzzle Jokes) ☺☺

Puzzles added in November 2002:

The Last Word (Harder Puzzles) ★★
Painting Problems (Harder Puzzles) ★★★
Postman Pat (Mathematical Problems) ★★
Odd Oranges (Mathematical Problems) ★★
Long Division, question 1 (Harder Mathematical Problems)
Tittle-Tattle (Harder Mathematical Problems)
Pastor Petersen (Harder Mathematical Problems)
Water Bucket (Harder Mathematical Problems) ★★★
Square Circles (Logical Puzzles)
The Truel (Brainteasers)
Coconut Chaos (Brainteasers) ★★★★

Puzzles added in August 2002:

Ten Sentences (Basic Puzzles) ★★
Magic Square (Harder Puzzles) ★★★
Missing Pages (Mathematical Problems) ★★
Fabulous Fraction (Mathematical Problems) ★★
Circling Cyclist (Mathematical Problems) ★★
The King's Gold (Harder Mathematical Problems)
Angled Triangle (Harder Mathematical Problems)
Troubling Twenty-Four (Harder Mathematical Problems) ★★★
To Know or not To Know, question 1 (Brainteasers) ★★★
Stacking Coins (Brainteasers) ★★★
Zebra (Brainteasers) ★★★

Puzzles added in April 2002:

All Apples (Mathematical Problems) ★★
Buying Books (Mathematical Problems) ★★
Confusing Clock (Harder Mathematical Problems) ★★★
Lighting Bulb (Logical Puzzles) ★★
Apples and Pears (Logical Puzzles) ★★
Numbers and Dots (Brainteasers) ★★★★

Puzzles added in January 2001:

Four Wise Words (Harder Puzzles) ★★
Colorful Dwarfs, question 1 (Brainteasers)

Puzzles added in November 2000:

Three Blondes (Funny Riddles & Puzzle Jokes) ☺☺☺

Puzzles added in March 2000:

Hans & Gerri (Basic Puzzles) ★
Black Dots (Brain Tests & Experiments)

Puzzles added in September 1999:

Fun with Fuses (Logical Puzzles) ★★
Alien Alert (Logical Puzzles)
Nineteen Numbers Net (Complex Problems)

Puzzles added in April 1999:

Camel & Bananas (Mathematical Problems) ★★

Puzzles added in February 1999:

John & Julia (Brainteasers) ★★★

Puzzles added in January 1999:

Appearing Area (Harder Puzzles) ★★
Cork in the Canal (Mathematical Problems)
Bizarre Boxes (Brainteasers)

Puzzles added in 1998:

Segmented Numbers (Basic Puzzles) ★
3 Heads & 5 Hats (Brainteasers) ★★★
Magic Spiral (Brain Tests & Experiments)

Puzzles added in 1997:

Colored Grid (Basic Puzzles)
Weighing Marbles, question 1 (Harder Puzzles) ★★
Traveling Bird (Mathematical Problems)
Cable Curve (Harder Mathematical Problems)
Growing Water Lily (Logical Puzzles)
Jolly Jugs (Logical Puzzles)
Placing Bricks (Logical Puzzles)
Troubled Traveler (Logical Puzzles)
The Bridge (Brainteasers)
Coin Weighing (Brainteasers) ★★★
Car Parking (Complex Problems) ★★★★★
The First Quiz (Quizzes) ★★
The Second Quiz (Quizzes) ★★

Puzzles added in 1996:

Climbing Snail (Basic Puzzles) ★
Consecutive Elements (Basic Puzzles)
Two Pots (Basic Puzzles)
Horse Trade (Basic Puzzles)
Hotel Hocus, question 1 (Basic Puzzles)
Birthday Cake (Basic Puzzles)
Digit Square, question 1 (Harder Puzzles) ★★
Dividing Paper (Harder Puzzles) ★★
Mirroring Clock, question 1 (Harder Puzzles) ★★
The Triangle, question 1 (Harder Puzzles) ★★
Number Net, question 1 (Harder Puzzles) ★★
Nine Dots (Harder Puzzles) ★★
Word Sums, question 4 (Harder Puzzles)
Carpet Cutting (Harder Puzzles)
Square and Rectangle (Mathematical Problems)
Four Flies (Mathematical Problems) ★★
Faites Vos Jeux (Harder Mathematical Problems)
Replacement Resistance (Harder Mathematical Problems)
A Quiz (Brainteasers) ★★★
Square Puzzle (Brainteasers) ★★★
Pirate Treasure (Brainteasers)
Eight Queens (Complex Problems)
Ladder Alley (Complex Problems) ★★★
Cat & Mouse (Complex Problems)

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