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ALGOL 68
ArkScript
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BASIC
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brainfuck
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C#
C++
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Coconut
Common Lisp
Crystal
D
Dart
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J
Janet
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jq
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R
Raku
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Rust
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sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
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Umka
Vala
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Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
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
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)
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Collatz
madex
52
363ms
4 days ago
Collatz
NoneTheFewer
105
426ms
27 Dec 2025
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DocJade
70
343ms
27 Dec 2025
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64
343ms
13 Nov 2025
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snoozingnewt
76
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CaedenHarper
3,225
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🥇
47
2,426ms
8 Jun 2025
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bitsandbeyond
🥇
47
2,455ms
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Collatz
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52
315ms
1 Jun 2025
Collatz
jborean93
🥇
47
2,037ms
9 Apr 2025
Collatz
grey0ut
48
2,086ms
8 Apr 2025
Collatz
corbob
🥇
47
2,224ms
8 Apr 2025
Collatz
sean-niemann
🥇
47
2,099ms
7 Apr 2025
Collatz
KevinMarquette
🥇
47
2,225ms
7 Apr 2025
Collatz
DelaneyJM
🥇
47
2,197ms
7 Apr 2025
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52
325ms
7 Apr 2025
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JPRuskin
52
314ms
7 Apr 2025
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61
320ms
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Collatz
madeforlosers
90
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72
308ms
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3,227
227ms
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Steffan153
50
485ms
9 Aug 2024
Collatz
dokutan
67
285ms
28 Jul 2024
Collatz
Flobois
63
276ms
23 Jul 2024
Collatz
israem
65
331ms
20 May 2024
Collatz
HumanoidCPU
3,225
248ms
9 May 2024
Collatz
dcgjb
52
279ms
29 Jan 2024
Collatz
janbehrens
65
517ms
3 Dec 2023
Collatz
Msleizak
94
289ms
29 Nov 2023
Collatz
Feniske
52
317ms
7 Nov 2023
Collatz
NicolasBn
65
346ms
29 Sep 2023
Collatz
TaserTheFox
54
284ms
31 May 2023
Collatz
Shanethegamer
51
472ms
15 May 2023
Collatz
harperse
81
332ms
4 May 2023
Collatz
waltervos
75
294ms
8 Feb 2023
Collatz
MeWhenI
52
318ms
28 Jan 2023
Collatz
Betuaredead
85
320ms
5 Jan 2023
Collatz
PowershellKnut
60
313ms
31 Dec 2022
Collatz
retrohun
16,225
237ms
27 Dec 2022
Collatz
SinstralK
138
310ms
6 Oct 2022
Collatz
MaxCastella
60
298ms
29 Sep 2022
Collatz
5quiwyrm
52
304ms
4 Sep 2022
Collatz
janssenu-assurity
71
318ms
31 Aug 2022
Collatz
juliansiebert
58
343ms
15 Aug 2022
Collatz
Lydxn
50
431ms
15 Aug 2022
Collatz
sisyphus-ppcg
53
456ms
15 Aug 2022
Collatz
Arnaud-beep
68
315ms
11 Aug 2022
Collatz
Clebam
70
306ms
1 Aug 2022
Collatz
northvandrew
77
339ms
15 Jul 2022
Collatz
KatieLG-Transpiler
4,231
210ms
24 Jun 2022
Collatz
clemmesserli
80
334ms
20 Jun 2022
Collatz
ryanlanegit
53
311ms
19 Jun 2022
Collatz
nwellnhof
50
504ms
3 Jun 2022
Collatz
ze-h
89
337ms
1 Jun 2022
Collatz
krcs
53
284ms
9 May 2022
Collatz
SirBogman
50
516ms
5 May 2022
Collatz
KatieLG
4,231
236ms
4 May 2022