12 Days of Christmas
859
864
24 Game
539
99 Bottles of Beer
759
Abundant Numbers
780
Abundant Numbers (Long)
924
Arabic to Roman
606
Arithmetic Numbers
764860
Arrows
662
Ascending Primes
540
ASCII Table
802
Billiards
783
brainfuck
529
Calendar
942
Card Number Validation
748
Catalan Numbers
927
Catalan’s Constant
971
576
Christmas Trees
503
830
Collatz
879
Connect Four
511
Continued Fractions
941
CSS Colors
718
Cubes
561
Day of Week
951
588962
DFA Simulator
844
Diamonds
671614
Divisors
1,000
843979
590
Emirp Numbers
648
Emirp Numbers (Long)
716
Emojify
808
Evil Numbers
900652
980
Evil Numbers (Long)
818
866
Factorial Factorisation
616
Farey Sequence
746
Fibonacci
931
977
902984
861
Fizz Buzz
818850
986
973
430
Foo Fizz Buzz Bar
981
Forsyth–Edwards Notation
762
Fractions
970982
Game of Life
600
Gijswijt’s Sequence
735
Gray Code Decoder
835
Gray Code Encoder
920
936
Happy Numbers
888
Happy Numbers (Long)
755
Hexdump
637
Hilbert Curve
543
621
Intersection
787
Inventory Sequence
863
ISBN
836
Jacobi Symbol
716
Kaprekar Numbers
672
Kolakoski Constant
611
Kolakoski Sequence
879
Leap Years
953
919
Levenshtein Distance
536
Leyland Numbers
952
ln 2
964
Look and Say
770
Lucky Numbers
692
Lucky Tickets
600
Mahjong
406
Mandelbrot
809
Maze
701
Medal Tally
658
Minesweeper
702
Morse Decoder
641
Morse Encoder
718
Multitap Input
631
Musical Chords
435
N Queens
654
Nim
705
Niven Numbers
1,000964
849933
931
Niven Numbers (Long)
1,000
863
Number Spiral
582
Odious Numbers
1,000
953
Odious Numbers (Long)
1,000
863
Ordinal Numbers
687
PalindromemordnilaP
806
Pangram Grep
968
Partition Numbers
517
Pascal’s Triangle
783
Pernicious Numbers
794
Pernicious Numbers (Long)
895
Poker
602
Polyominoes
445
Prime Numbers
855980
Prime Numbers (Long)
854950
Proximity Grid
538
QR Decoder
422
Quine
962
834
825945
Recamán
845
Repeating Decimals
560
Reverse Polish Notation
641
Reversi
621
Rijndael S-box
512
Rock-paper-scissors-Spock-lizard
852
Roman to Arabic
769
ROT13
942
Rule 110
645
Scrambled Sort
553
883
Set
846
Seven Segment
585
SI Units
465
Sierpiński Triangle
659
Smith Numbers
535
Spelling Numbers
445
Star Wars GPT
736
Star Wars Opening Crawl
686
Sudoku
603
Sudoku (Fill-in)
547
Taxicab Numbers
775
Ten-pin Bowling
579
Tic-tac-toe
806
Time Distance
791
Tongue-twisters
847
675
Topological Sort
650
Tower of Hanoi
878
Transpose Sentence
1,000
858
Trinomial Triangle
765
Ulam Sequence
684
United States
606
Vampire Numbers
764
Van Eck Sequence
870
Zeckendorf Representation
764
Zodiac Signs
846
γ
978
λ
648
π
975
721
τ
937
699
φ
819
791
√2
870
972
𝑒
953
970