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𝑒
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ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
iogii
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
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
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
Collatz
kasarino
126
289ms
3 hours ago
Collatz
madeforlosers
128
353ms
9 Apr 2026
Collatz
edsrzf
109
323ms
5 Apr 2026
Collatz
albanian-laundromat
🥉
107
336ms
22 Dec 2025
Collatz
KasperKivimaeki
💎
104
338ms
10 Dec 2025
Collatz
snoozingnewt
121
359ms
8 Oct 2025
Collatz
CaedenHarper
108
331ms
5 Oct 2025
Collatz
Yax42
126
327ms
4 Oct 2025
Collatz
JayXon
🥈
105
322ms
4 Oct 2025
Collatz
cduerm
118
323ms
19 Sep 2025
Collatz
GolfingSuccess
109
324ms
6 Sep 2025
Collatz
kmathis22
134
346ms
5 Sep 2025
Collatz
targrik
110
358ms
30 Jun 2025
Collatz
ereztaiar
125
352ms
11 May 2025
Collatz
ComputerKWasTaken
120
363ms
20 Jan 2025
Collatz
emgordon154
115
333ms
17 Jan 2025
Collatz
Mabeloid
4,277
315ms
17 Sep 2024
Collatz
HumanoidCPU
3,273
302ms
26 Aug 2024
Collatz
dokutan
122
315ms
15 Jul 2024
Collatz
sean-niemann
109
317ms
25 May 2024
Collatz
arctouch-cristiannevianna
121
325ms
15 Apr 2024
Collatz
Grrisly
114
316ms
25 Mar 2024
Collatz
wearsunscreen
158
294ms
17 Feb 2024
Collatz
Yewzir
117
304ms
7 Feb 2024
Collatz
xbxbxb007
159
322ms
10 Jan 2024
Collatz
kkoenig
112
300ms
4 Jan 2024
Collatz
Shanethegamer
111
351ms
21 Nov 2023
Collatz
jerrandolph
121
326ms
21 Oct 2023
Collatz
hotmanga
160
340ms
20 Oct 2023
Collatz
weliveinhell
123
311ms
2 Oct 2023
Collatz
stefangimmillaro
112
340ms
26 Sep 2023
Collatz
msbranicky
127
340ms
8 Sep 2023
Collatz
steven-purcell
395
336ms
4 Aug 2023
Collatz
Re-Adventures
116
306ms
16 Jul 2023
Collatz
eli-siegel
163
333ms
30 Jun 2023
Collatz
odsteel
126
318ms
30 Mar 2023
Collatz
MeWhenI
110
314ms
9 Feb 2023
Collatz
Bodo171
163
326ms
15 Jan 2023
Collatz
Betuaredead
124
343ms
5 Jan 2023
Collatz
kimbo
119
330ms
28 Dec 2022
Collatz
retrohun
4,277
293ms
27 Dec 2022
Collatz
nstearns96
126
297ms
13 Dec 2022
Collatz
KatieLG
115
342ms
25 Sep 2022
Collatz
ibeucaly
120
336ms
20 Sep 2022
Collatz
destofr
126
330ms
23 Aug 2022
Collatz
WindbeutelBaron
130
291ms
18 Aug 2022
Collatz
KatieLG-Transpiler
3,275
324ms
24 Jun 2022
Collatz
dkbednarczyk
122
312ms
5 Jun 2022
Collatz
j-Ewan
121
330ms
13 May 2022
Collatz
Lydxn
108
336ms
6 May 2022
Collatz
emplv
111
306ms
5 May 2022
Collatz
nwellnhof
111
355ms
4 May 2022
Collatz
JRaspass
122
373ms
4 May 2022