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ALGOL 68
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AWK
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BASIC
Berry
brainfuck
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C#
C++
Civet
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
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Forth
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iogii
J
Janet
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jq
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R
Raku
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sed
SQL
Swift
Tcl
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V
VimL
Wren
Zig
Experimental Language
05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
Continued Fractions
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Gray Code Decoder
Gray Code Encoder
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
Hole
Golfer
Bytes
Time
Submitted
Happy Numbers (Long)
Orsailius
151
396ms
23 days ago
Happy Numbers (Long)
janbehrens
126
419ms
16 May 2026
Happy Numbers (Long)
error256
117
446ms
13 Mar 2026
Happy Numbers (Long)
Steffan153
🥇
102
483ms
11 Feb 2026
Happy Numbers (Long)
ravnskjaer
138
400ms
15 Dec 2025
Happy Numbers (Long)
KasperKivimaeki
105
450ms
12 Dec 2025
Happy Numbers (Long)
Lydxn
🥇
102
434ms
12 Dec 2025
Happy Numbers (Long)
snoozingnewt
111
472ms
5 Dec 2025
Happy Numbers (Long)
h3ra993huskp
113
412ms
30 Nov 2025
Happy Numbers (Long)
dokutan
111
404ms
23 Nov 2025
Happy Numbers (Long)
ethanlally
111
419ms
23 Nov 2025
Happy Numbers (Long)
kmathis22
111
417ms
20 Nov 2025
Happy Numbers (Long)
DialFrost
104
376ms
16 Nov 2025
Happy Numbers (Long)
HumanoidCPU
162
506ms
8 Nov 2025
Happy Numbers (Long)
MeWhenI
110
499ms
7 Nov 2025
Happy Numbers (Long)
CaedenHarper
110
507ms
5 Nov 2025
Happy Numbers (Long)
Babafaba
123
443ms
14 Oct 2025
Happy Numbers (Long)
namelessiw
118
463ms
6 Oct 2025
Happy Numbers (Long)
stefangimmillaro
111
458ms
6 Oct 2025
Happy Numbers (Long)
Yewzir
110
428ms
2 Oct 2025
Happy Numbers (Long)
Schmitt-Very-Cool
129
464ms
30 Sep 2025
Happy Numbers (Long)
JayXon
🥇
102
498ms
26 Sep 2025
Happy Numbers (Long)
sean-niemann
🥇
102
483ms
26 Sep 2025
Happy Numbers (Long)
Liibe
194
503ms
25 Sep 2025
Happy Numbers (Long)
nwellnhof
103
467ms
25 Sep 2025
Happy Numbers (Long)
Shanethegamer
110
489ms
25 Sep 2025
Happy Numbers (Long)
jared-hughes
123
478ms
24 Sep 2025
Happy Numbers (Long)
KatieLG
599
436ms
24 Sep 2025
Happy Numbers (Long)
Apataras
157
406ms
20 Aug 2025
Happy Numbers (Long)
yoshykai
181
409ms
15 Apr 2025
Happy Numbers (Long)
Jacob385
358
360ms
21 Feb 2025
Happy Numbers (Long)
Mabeloid
766
373ms
18 Sep 2024
Happy Numbers (Long)
bac0id
221
413ms
30 Jun 2024
Happy Numbers (Long)
msbranicky
188
386ms
9 Jan 2024
Happy Numbers (Long)
PierceZ
798
418ms
29 Nov 2023
Happy Numbers (Long)
benradclyffe
195
417ms
15 May 2023
Happy Numbers (Long)
ToxicP1e
336
437ms
20 Jan 2023
Happy Numbers (Long)
retrohun
766
324ms
27 Dec 2022
Happy Numbers (Long)
KatieLG-Transpiler
622
364ms
23 Jun 2022
Happy Numbers (Long)
tejokumar
495
378ms
22 Jan 2022
Happy Numbers (Long)
inventshah
148
398ms
18 Jan 2022
Happy Numbers (Long)
bwat2
254
380ms
7 Jan 2022
Happy Numbers (Long)
Irratix
147
390ms
11 Dec 2021
Happy Numbers (Long)
cbrt-x
162
375ms
25 Sep 2021
Happy Numbers (Long)
primo-ppcg
147
406ms
23 Sep 2021