12 Days of Christmas
461
917
24 Game
622
99 Bottles of Beer
439
Abundant Numbers
860
Abundant Numbers (Long)
948
Arabic to Roman
442
Arithmetic Numbers
848939
Arrows
771
Ascending Primes
496
ASCII Table
651
Billiards
557
brainfuck
345
Calendar
743
Card Number Validation
859
Catalan Numbers
957
Catalan’s Constant
1,000
504
Christmas Trees
538
740
Collatz
814
Connect Four
348
Continued Fractions
691
CSS Colors
329
Cubes
430
Day of Week
1,000
6521,000
DFA Simulator
934
Diamonds
740528
Divisors
1,000
938981
629
Emirp Numbers
545
Emirp Numbers (Long)
624
Emojify
599
Evil Numbers
900673
1,000
Evil Numbers (Long)
818
891
Factorial Factorisation
507
Farey Sequence
892
Fibonacci
971
1,000
9801,000
901
Fizz Buzz
837879
1,000
964
445
Foo Fizz Buzz Bar
985
Forsyth–Edwards Notation
848
Fractions
8491,000
Game of Life
745
Gijswijt’s Sequence
634
Gray Code Decoder
779
Gray Code Encoder
1,000
1,000
Happy Numbers
828
Happy Numbers (Long)
663
Hexdump
447
Hilbert Curve
676
737
Intersection
868
Inventory Sequence
927
ISBN
910
Jacobi Symbol
526
Kaprekar Numbers
610
Kolakoski Constant
545
Kolakoski Sequence
944
Leap Years
976
935
Levenshtein Distance
435
Leyland Numbers
1,000
ln 2
1,000
Look and Say
645
Lucky Numbers
693
Lucky Tickets
477
Mahjong
301
Mandelbrot
874
Maze
528
Medal Tally
517
Minesweeper
535
Morse Decoder
455
Morse Encoder
508
Multitap Input
500
Musical Chords
607
N Queens
513
Nim
562
Niven Numbers
1,0001,000
936957
1,000
Niven Numbers (Long)
1,000
943
Number Spiral
492
Odious Numbers
1,000
976
Odious Numbers (Long)
1,000
891
Ordinal Numbers
575
PalindromemordnilaP
903
Pangram Grep
1,000
Partition Numbers
505
Pascal’s Triangle
847
Pernicious Numbers
816
Pernicious Numbers (Long)
911
Poker
335
Polyominoes
332
Prime Numbers
8041,000
Prime Numbers (Long)
943978
Proximity Grid
390
QR Decoder
592
Quine
1,000
862
914969
Recamán
917
Repeating Decimals
423
Reverse Polish Notation
497
Reversi
766
Rijndael S-box
364
Rock-paper-scissors-Spock-lizard
917
Roman to Arabic
602
ROT13
983
Rule 110
602
Scrambled Sort
643
959
Set
932
Seven Segment
442
SI Units
226
Sierpiński Triangle
659
Smith Numbers
406
Spelling Numbers
291
Star Wars GPT
838
Star Wars Opening Crawl
408
Sudoku
380
Sudoku (Fill-in)
369
Taxicab Numbers
657
Ten-pin Bowling
424
Tic-tac-toe
900
Time Distance
880
Tongue-twisters
577
814
Topological Sort
533
Tower of Hanoi
895
Transpose Sentence
1,000
719
Trinomial Triangle
846
Ulam Sequence
675
United States
459
Vampire Numbers
839
Van Eck Sequence
946
Zeckendorf Representation
853
Zodiac Signs
904
γ
1,000
λ
439
π
1,000
659
τ
975
644
φ
837
897
√2
872
1,000
𝑒
1,000
1,000