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Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
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Stax
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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
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
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
Morse Decoder
Morse Encoder
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
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
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Collatz
snoozingnewt
94
109ms
22 days ago
Collatz
Yax42
79
115ms
25 days ago
Collatz
albanian-laundromat
85
101ms
27 days ago
Collatz
kmathis22
93
124ms
25 Sep 2025
Collatz
ffelixm
87
105ms
1 Jun 2025
Collatz
sean-niemann
72
112ms
7 Mar 2025
Collatz
CaedenHarper
3,247
110ms
24 Jan 2025
Collatz
Mabeloid
3,252
110ms
18 Sep 2024
Collatz
RedzGoose
96
110ms
9 Sep 2024
Collatz
dokutan
79
118ms
9 Aug 2024
Collatz
bac0id
82
128ms
29 Jun 2024
Collatz
HumanoidCPU
3,247
101ms
20 May 2024
Collatz
Yewzir
79
125ms
28 Mar 2024
Collatz
anoopsg
89
103ms
18 Nov 2023
Collatz
madeforlosers
104
111ms
26 Oct 2023
Collatz
raszpi
77
128ms
1 Sep 2023
Collatz
msbranicky
91
116ms
22 Aug 2023
Collatz
Alex-x90
83
115ms
2 Apr 2023
Collatz
StronkCheese
111
113ms
18 Feb 2023
Collatz
Betuaredead
80
111ms
5 Jan 2023
Collatz
retrohun
4,247
123ms
27 Dec 2022
Collatz
passsy
81
107ms
19 Nov 2022
Collatz
KrausRaus
79
105ms
10 Nov 2022
Collatz
ze-h
138
131ms
2 Nov 2022
Collatz
emplv
72
107ms
27 Oct 2022
Collatz
GrayJoKing
72
115ms
22 Oct 2022
Collatz
JayXon
🥇
70
110ms
17 Oct 2022
Collatz
Lydxn
🥇
70
106ms
17 Oct 2022
Collatz
MeWhenI
🥉
71
115ms
16 Oct 2022
Collatz
stefangimmillaro
🥉
71
111ms
16 Oct 2022
Collatz
m-tkach
72
130ms
16 Oct 2022
Collatz
Shanethegamer
🥉
71
107ms
15 Oct 2022
Collatz
Quijx
129
130ms
15 Oct 2022
Collatz
Steffan153
🥉
71
117ms
14 Oct 2022
Collatz
KatieLG
3,247
106ms
14 Oct 2022
Collatz
KatieLG-Transpiler
3,268
113ms
13 Oct 2022