Index of Logic Puzzles

The star rating is an indication of complexity for pencil-and-paper solving. However, as a computer-programming exercise, a '3 star' puzzle can be much harder to code than a '5 star' puzzle. If clp(fd) is new to you, start with the 1 star puzzles.

Stars Title Clues Answers Solutions Comments Analysis
1
Arch Friends Clues Answer Solve Hint for newbies: the Analysis explains how to approach this puzzle Analysis
1
A Round of Golf Clues Answer Solve Read the Analysis section to see how this compares to Arch Friends Analysis
1
Babysitting Clues Answer Solve Another starter puzzle
1
Breaking News Clues Answer Solve A simple 1 star warmup
1
Four Islands Clues Answer Solve Locations on a simple map
2
Tunapalooza Clues Answer Solve Exactly 2 of 3
2
Lecture Series Clues Answer Solve Starter, has male/female clues to code
2
Historic Homes Clues Answer Solve Starter, order and age
2
Blueberry Muffins Clues Answer Solve A starter puzzle
2
Master Class Clues Answer Solve Handle duplicates (last names, and vocal range)
2
Sleeping Arrangements Clues Answer Solve Sharing bedrooms
2
Stones of Heaven Clues Answer Solve If you're starting out, it helps to see examples
2
Pro and Con Clues Answer Solve Don't scoff at this 2 star!
3
Bob's Shish Kebabs Clues Answer Solve A 5 star puzzle for the programmer. Challenging.
3
Jelly Beans Clues Answer Solve Closest guess (high or low) is first
3
Piano Lessons Clues Answer Solve numbers: years of study and appointment time
3
Ticket Sellers Clues Answer Solve A bit easier math
3
Dollar A Ticket Clues Answer Solve Another similar to the zebra puzzle
3
Building Blocks Clues Answer Solve Visual clues: Six-sided dice, spell words
3
Dominoes Clues Answer Solve Visual clues: Dominoes layout. Thanks to Warwick Harvey and Joachim Schimpf for the solution!
3
Who Found The Hamster Clues Answer Solve Indirect "spouse of" clues
3
Stablemates Clues Answer Solve Two numeric sequences involved
3
Exodus Clues Answer Solve A lot like the zebra puzzle
3
Seeing Triple Clues Answer Solve Sets: solution uses the conjunto library
3
Wired Up Clues Answer Solve Six people share 4 rooms
4
Travel Swap Clues Answer Solve A gives to B, A receives from C, B gives to ...
4
Surf and Turf Clues Answer Solve Names and initials
4
Open House Clues Answer Solve Challenge to code the sets of relatives
4
Snow Play Clues Answer Solve Another puzzle involving sets and using conjunto
4
Teachers' Union Clues Answer Solve Domain values for years not given, must be calculated
4
The Last Mile Clues Answer Solve Sunday, Sunday morning, Sunday afternoon
4
Face Facts Clues Answer Solve Check out Clue 8
4
Minor Confusion Clues Answer Solve Updated, faster solution found (March 2001)
4
Lynxville Links Clues Answer Solve Graph nodes and edges
4
Mush, You Huskies! Clues Answer Solve 20 variables to figure out
4
Share and Share Unalike Clues Answer Solve Top-down, bottom up, and across the pyramid. Challenging to code.
4
Flowers in February Clues Answer Solve Which days of which weeks
4
Soup Selections Clues Answer Solve Visual: Around a circle, across and next to clues
4
Dessert Bar Clues Answer Solve Not one-to-one match; pick 1 to 5; duplicates
5
Signing Off Clues Answer Solve Visual clues: model a roadmap.
5
Cheese and Crackers Clues Answer Solve Look at clues 7 to 11
5
Iltorian Planetoids Clues Answer Solve Size and quantity grouping
5
Cedar Lake Clean-Up Clues Answer Solve Arrival order, even-odd clues
5
Calendar Men Clues Answer Solve 12 months, 12 athletes, 12 sports
5
Computer Romance Clues Answer Solve Each person has an alias
5
Sibling Uproar Clues Answer Solve Double-depth reference: the person who was angry at the person who was angry at ...