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ALGOL 68
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05AB1E
APL
Arturo
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BQN
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Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
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Stax
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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
Chars
Time
Submitted
Collatz
Alex-Huggett
113
200ms
22 May 2026
Collatz
madeforlosers
77
205ms
17 Mar 2026
Collatz
Shengxuan-Zhang
66
304ms
20 Feb 2026
Collatz
dokutan
109
213ms
1 Feb 2026
Collatz
Ibozz91
98
195ms
20 Nov 2025
Collatz
albanian-laundromat
83
217ms
4 Oct 2025
Collatz
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72
212ms
10 Sep 2025
Collatz
El-PowerPtr
83
203ms
22 Aug 2025
Collatz
sean-niemann
65
226ms
9 Jun 2025
Collatz
CLOStrophobic
69
198ms
28 May 2025
Collatz
tobeannouncd
65
308ms
25 Apr 2025
Collatz
heanyang1
77
218ms
27 Mar 2025
Collatz
jamiloBBKing
70
198ms
31 Jan 2025
Collatz
CaedenHarper
4,237
151ms
25 Jan 2025
Collatz
xnor-gate
🥈
63
245ms
20 Jan 2025
Collatz
glassala
122
204ms
25 Oct 2024
Collatz
Mabeloid
4,237
140ms
17 Sep 2024
Collatz
DialFrost
71
214ms
6 Aug 2024
Collatz
ovs-code
💎
61
296ms
5 Aug 2024
Collatz
jtaxen
93
209ms
15 Jul 2024
Collatz
LHLaurini
93
207ms
26 Jun 2024
Collatz
elttil
96
186ms
14 Jun 2024
Collatz
inverseLorentz
69
192ms
3 Jun 2024
Collatz
snoozingnewt
71
214ms
2 Jun 2024
Collatz
cefqrn
71
197ms
26 May 2024
Collatz
HumanoidCPU
4,237
126ms
20 May 2024
Collatz
kejcao
71
208ms
10 May 2024
Collatz
MeWhenI
74
202ms
22 Mar 2024
Collatz
epic-programmer-guy
71
190ms
19 Feb 2024
Collatz
ninjawarrior1337
152
201ms
1 Feb 2024
Collatz
RobertHoeh
70
214ms
28 Jan 2024
Collatz
brimstonetrader
77
188ms
15 Jan 2024
Collatz
strout
72
196ms
14 Dec 2023
Collatz
wearsunscreen
127
235ms
19 Oct 2023
Collatz
btnlq
66
191ms
17 Oct 2023
Collatz
the-zammers
68
198ms
2 Oct 2023
Collatz
VictorFordham
71
204ms
30 Sep 2023
Collatz
cbrt-x
79
189ms
19 Sep 2023
Collatz
alomiF
66
310ms
1 Sep 2023
Collatz
GuilhermeRodriguesEras
91
194ms
16 Aug 2023
Collatz
zbreit
88
218ms
25 Jun 2023
Collatz
yzhs
77
207ms
24 Jun 2023
Collatz
Widgitty
110
189ms
21 May 2023
Collatz
PanKarapas
99
213ms
20 May 2023
Collatz
KatieLG-Transpiler
4,237
142ms
14 May 2023
Collatz
Andriamanitra
67
193ms
26 Apr 2023
Collatz
Lydxn
🥉
64
230ms
1 Apr 2023
Collatz
Jeremy-Stafford
66
316ms
27 Feb 2023
Collatz
Z-snails
66
290ms
27 Feb 2023
Collatz
eddiesmithxyz
71
191ms
15 Jan 2023
Collatz
Siri-chan
140
190ms
29 Dec 2022
Collatz
retrohun
4,237
130ms
27 Dec 2022
Collatz
aDwarfNamedUrist
86
201ms
12 Dec 2022
Collatz
eskildam
72
183ms
27 Nov 2022
Collatz
Innf107
72
202ms
12 Nov 2022
Collatz
Steffan153
65
226ms
12 Nov 2022
Collatz
Awsute
93
202ms
11 Nov 2022
Collatz
exodrifter
75
202ms
25 Oct 2022
Collatz
JayXon
65
321ms
17 Oct 2022
Collatz
jtnuttall
71
208ms
4 Oct 2022
Collatz
saitouena
94
198ms
18 Sep 2022
Collatz
HallMatthew314
75
205ms
14 Sep 2022
Collatz
christianlegge
71
191ms
28 Jul 2022
Collatz
ze-h
78
199ms
13 Jul 2022
Collatz
Natanaelel
66
204ms
15 Jun 2022
Collatz
sisyphus-ppcg
66
219ms
6 May 2022
Collatz
Sakisan
65
233ms
6 May 2022
Collatz
annaproxy
75
191ms
5 May 2022
Collatz
scpchicken
66
380ms
5 May 2022
Collatz
GrayJoKing
65
313ms
5 May 2022
Collatz
lynn
65
299ms
5 May 2022
Collatz
Shanethegamer
66
218ms
4 May 2022
Collatz
Irratix
71
216ms
4 May 2022
Collatz
KatieLG
4,237
142ms
4 May 2022