12 Days of Christmas
455
913
24 Game
605
99 Bottles of Beer
435
Abundant Numbers
842
Abundant Numbers (Long)
920
Arabic to Roman
432
Arithmetic Numbers
764910
Arrows
747
Ascending Primes
476
ASCII Table
639
Billiards
530
brainfuck
336
Calendar
718
Card Number Validation
823
Catalan Numbers
927
Catalan’s Constant
971
490
Christmas Trees
503
724
Collatz
796
Connect Four
334
Continued Fractions
656
CSS Colors
316
Cubes
422
Day of Week
951
588964
DFA Simulator
899
Diamonds
671514
Divisors
1,000
843961
590
Emirp Numbers
533
Emirp Numbers (Long)
602
Emojify
584
Evil Numbers
900652
980
Evil Numbers (Long)
818
866
Factorial Factorisation
490
Farey Sequence
863
Fibonacci
931
977
902984
861
Fizz Buzz
818850
986
954
430
Foo Fizz Buzz Bar
967
Forsyth–Edwards Notation
814
Fractions
825982
Game of Life
717
Gijswijt’s Sequence
605
Gray Code Decoder
727
Gray Code Encoder
920
937
Happy Numbers
808
Happy Numbers (Long)
641
Hexdump
435
Hilbert Curve
654
720
Intersection
836
Inventory Sequence
889
ISBN
880
Jacobi Symbol
508
Kaprekar Numbers
579
Kolakoski Constant
525
Kolakoski Sequence
910
Leap Years
952
918
Levenshtein Distance
419
Leyland Numbers
967
ln 2
964
Look and Say
625
Lucky Numbers
667
Lucky Tickets
454
Mahjong
287
Mandelbrot
847
Maze
504
Medal Tally
492
Minesweeper
504
Morse Decoder
443
Morse Encoder
495
Multitap Input
471
Musical Chords
582
N Queens
491
Nim
525
Niven Numbers
1,000964
849933
931
Niven Numbers (Long)
1,000
912
Number Spiral
474
Odious Numbers
1,000
953
Odious Numbers (Long)
1,000
863
Ordinal Numbers
560
PalindromemordnilaP
856
Pangram Grep
969
Partition Numbers
480
Pascal’s Triangle
824
Pernicious Numbers
794
Pernicious Numbers (Long)
876
Poker
329
Polyominoes
319
Prime Numbers
734980
Prime Numbers (Long)
854950
Proximity Grid
372
QR Decoder
568
Quine
962
834
825945
Recamán
890
Repeating Decimals
411
Reverse Polish Notation
473
Reversi
734
Rijndael S-box
355
Rock-paper-scissors-Spock-lizard
901
Roman to Arabic
581
ROT13
942
Rule 110
583
Scrambled Sort
553
905
Set
883
Seven Segment
429
SI Units
226
Sierpiński Triangle
639
Smith Numbers
393
Spelling Numbers
282
Star Wars GPT
791
Star Wars Opening Crawl
397
Sudoku
371
Sudoku (Fill-in)
356
Taxicab Numbers
617
Ten-pin Bowling
406
Tic-tac-toe
861
Time Distance
863
Tongue-twisters
566
809
Topological Sort
502
Tower of Hanoi
861
Transpose Sentence
1,000
681
Trinomial Triangle
801
Ulam Sequence
638
United States
450
Vampire Numbers
807
Van Eck Sequence
912
Zeckendorf Representation
813
Zodiac Signs
870
γ
979
λ
429
π
977
644
τ
937
625
φ
798
869
√2
823
972
𝑒
955
970