12 Days of Christmas
789
24 Game
919
99 Bottles of Beer
805
Abundant Numbers
939
Abundant Numbers (Long)
901
Arabic to Roman
762
Arithmetic Numbers
902
Arrows
674
Ascending Primes
853858863
ASCII Table
938
Billiards
870
brainfuck
621
Card Number Validation
913
Catalan Numbers
917
Catalan’s Constant
821
Christmas Trees
738
Collatz
935
CSS Colors
931
989
Cubes
933
Day of Week
932
1,000
DFA Simulator
895
Diamonds
677
Divisors
928
740
Emirp Numbers
948
Emirp Numbers (Long)
765
Emojify
721
Evil Numbers
888948
1,000
Evil Numbers (Long)
846937
1,000
Factorial Factorisation
918
Farey Sequence
733795775
Fibonacci
932964961
650
Fizz Buzz
977
703
Foo Fizz Buzz Bar
955
Forsyth–Edwards Notation
748
Fractions
896
Game of Life
819
Gijswijt’s Sequence
632
Happy Numbers
822947831
Happy Numbers (Long)
807
Hexdump
920
Hilbert Curve
627
Intersection
886
Inventory Sequence
873
ISBN
937
Jacobi Symbol
834
Kaprekar Numbers
929
Kolakoski Constant
810
Kolakoski Sequence
654
Leap Years
881
Levenshtein Distance
736
738
Leyland Numbers
857
ln 2
861
Look and Say
855
Lucky Numbers
694
Lucky Tickets
760
Mahjong
672
Mandelbrot
901
Maze
911
Medal Tally
801
Minesweeper
888
Morse Decoder
706
Morse Encoder
710
Musical Chords
610
N Queens
904
Niven Numbers
840948
680
Niven Numbers (Long)
923
Number Spiral
716
Odious Numbers
901943
1,000
Odious Numbers (Long)
892933
1,000
Ordinal Numbers
936
PalindromemordnilaP
893
Pangram Grep
947908921
Partition Numbers
644
Pascal’s Triangle
892
Pernicious Numbers
938
933
Pernicious Numbers (Long)
917
1,000
Poker
662
Polyominoes
426
Prime Numbers
845947823
Prime Numbers (Long)
870920865
Proximity Grid
791
QR Decoder
616
Quine
940
Recamán
930
Repeating Decimals
887
Reverse Polish Notation
759
Reversi
904
Rijndael S-box
1,000949967
379928
964
581945
Rock-paper-scissors-Spock-lizard
643
Roman to Arabic
929
ROT13
763
Rule 110
940
Scrambled Sort
887
Set
714
Seven Segment
763
SI Units
909
Sierpiński Triangle
853
Smith Numbers
813
Spelling Numbers
891
Star Wars GPT
873
Star Wars Opening Crawl
904
Sudoku
740
Sudoku (Fill-in)
844
Ten-pin Bowling
809
Tic-tac-toe
842
Time Distance
920
Tongue-twisters
522
Topological Sort
865
Tower of Hanoi
922924907
Transpose Sentence
884
Trinomial Triangle
886
United States
806
Vampire Numbers
748
Van Eck Sequence
873
Zeckendorf Representation
903
Zodiac Signs
815
γ
829
λ
806
π
899
τ
858
φ
908
√2
810
𝑒
803