12 Days of Christmas
1st
24 Game
9th
99 Bottles of Beer
22nd
Abundant Numbers
10th
Abundant Numbers (Long)
7th
Alphabetic Numbers
8th
Arabic to Roman
5th
Arithmetic Numbers
23rd
Arrows
9th
Ascending Primes
3rd
ASCII Table
19th
Billiards
6th
brainfuck
8th
Calendar
1st
Card Number Validation
20th
Catalan Numbers
1st
Catalan’s Constant
1st
Chess Move Validation
12th
Christmas Trees
7th
Collatz
12th
Connect Four
15th
Continued Fractions
1st
CSS Colors
20th
Cubes
9th
Day of Week
1st
DFA Simulator
11th
Diamonds
11th
Divisors
25th
Emirp Numbers (Long)
12th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
6th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
31st
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
1st
Gray Code Decoder
9th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
21st
Hexdump
4th
Hilbert Curve
7th
Intersection
34th
Inventory Sequence
1st
ISBN
25th
Jacobi Symbol
4th
Kaprekar Numbers
13th
Kolakoski Constant
2nd
Kolakoski Sequence
1st
Levenshtein Distance
1st
Leyland Numbers
11th
ln 2
1st
Lucky Tickets
1st
Mahjong
7th
Mandelbrot
20th
Maze
2nd
Medal Tally
1st
Minesweeper
8th
Morse Decoder
19th
Multitap Input
11th
N Queens
9th
Nim
23rd
Number Spiral
1st
Ordinal Numbers
8th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
3rd
Poker
26th
Polyominoes
13th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
14th
QR Decoder
12th
Quine
1st
Recamán
10th
Repeating Decimals
1st
Reverse Polish Notation
23rd
Reversi
3rd
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
1st
Rule 110
1st
Set
1st
Seven Segment
5th
SI Units
7th
Sierpiński Triangle
19th
Snake
11th
Sudoku
7th
Sudoku (Fill-in)
1st
Taxicab Numbers
1st
Ten-pin Bowling
7th
Tic-tac-toe
5th
Time Distance
11th
Tongue-twisters
8th
Topological Sort
14th
Tower of Hanoi
1st
United States
3rd
Zeckendorf Representation
6th
γ
25th
λ
1st
π
1st
τ
1st
φ
52nd
√2
1st
𝑒
1st