Puzzles

Name Solved By
Palindromic Primes 19
Caesar Cipher 16
Triangular Number Sum 15
Fibonacci Numbers 13
Perfect Multiples 13
Letter Frequency 13
Square Numbers 13
Caeser Cipher II 13
The Eight Queens 12
The Truck Driver 12
Christmas Day 3000 12
The Josephus Problem 12
Fizz Buzz Bizz Fuzz 12
Canoe or Dinghy? 11
Consecutive Prime Digits 11
Mersenne Prime 11
Hexadecimal Representations 11
Look and Say Sequence 11
The Open Golf Challenge 10
Increasing Digits 10
Champernowne Constant 9
HQ9+ 9
The Troublesome Eight 8
Number Sequence 8
Base 36 8
Total Area 8
Magic Square 7
Flight Times 7
To Be Or Not To Be 7
Amicable Numbers 7
10 Factors 6
Shorthand 6
Excluded Letters 6
Brainf**k 5
Langton’s Ant 5
Fibonacci Primes 5
Square Triangles 5
64 bits won’t save you! 4
Monday 1st January 4
Removing Digits 4
The Magic 7 4
Searching Latin 4
The Reddo 3
100% Attitude 2
Lexicographic Permutations 2
Winning Wimbledon 1
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