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><>
ALGOL 68
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
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
ArkScript
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
Uiua
Umka
Vala
Vyxal
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
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
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
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Card Number Validation
lukegustafson
73
10ms
3 mins ago
Card Number Validation
GrayJoKing
💎
110
6ms
3 hours ago
Card Number Validation
xsot
🥇
47
3ms
3 hours ago
Card Number Validation
frankgraziano
🥈
128
7ms
6 hours ago
Card Number Validation
JOrE20
124
17ms
9 hours ago
Card Number Validation
edsrzf
🥈
104
380ms
17 hours ago
Card Number Validation
edsrzf
🥈
83
102ms
17 hours ago
Card Number Validation
edsrzf
🥇
64
788ms
18 hours ago
Card Number Validation
edsrzf
🥈
135
272ms
18 hours ago
Card Number Validation
edsrzf
🥈
121
3ms
26 hours ago
Card Number Validation
Steffan153
🥈
74
420ms
27 hours ago
Card Number Validation
Steffan153
🥈
84
20ms
27 hours ago
Card Number Validation
dokutan
114
804ms
27 hours ago
Card Number Validation
Steffan153
🥇
78
2ms
29 hours ago
Card Number Validation
edsrzf
🥉
107
421ms
30 hours ago
Card Number Validation
edsrzf
72
11ms
32 hours ago
Card Number Validation
edsrzf
🥇
78
2ms
32 hours ago
Card Number Validation
edsrzf
🥈
148
47ms
43 hours ago
Card Number Validation
kg583
80
384ms
46 hours ago
Card Number Validation
kg583
💎
143
40ms
46 hours ago
Card Number Validation
kg583
💎
111
7ms
47 hours ago
Card Number Validation
edsrzf
💎
84
4ms
47 hours ago
Card Number Validation
kg583
🥈
86
4ms
47 hours ago
Card Number Validation
kg583
113
8ms
47 hours ago
Card Number Validation
firegene
90
16ms
2 days ago
Card Number Validation
jshholland
35
1,111ms
2 days ago
Card Number Validation
Flekay
102
18ms
2 days ago
Card Number Validation
Natanaelel
15
35ms
4 days ago
Card Number Validation
Steffan153
47
5ms
5 days ago
Card Number Validation
sean-niemann
🥇
64
785ms
5 days ago
Card Number Validation
Steffan153
🥉
65
779ms
5 days ago
Card Number Validation
Steffan153
55
39ms
5 days ago
Card Number Validation
plcc0
18
35ms
7 days ago
Card Number Validation
2bular
15
32ms
7 days ago
Card Number Validation
darrenks
16
33ms
7 days ago
Card Number Validation
solisolu
106
2ms
8 days ago
Card Number Validation
JOrE20
93
9ms
9 days ago
Card Number Validation
denkyuu1
145
17ms
10 days ago
Card Number Validation
KatieLG
105
439ms
10 days ago
Card Number Validation
frosster
97
2ms
11 days ago
Card Number Validation
Steffan153
🥈
81
12ms
11 days ago
Card Number Validation
Steffan153
🥇
68
11ms
11 days ago
Card Number Validation
KatieLG
106
17ms
11 days ago
Card Number Validation
dokutan
155
396ms
11 days ago
Card Number Validation
dokutan
131
2ms
11 days ago
Card Number Validation
edsrzf
💎
131
28ms
11 days ago
Card Number Validation
isaiah0311
135
2ms
13 days ago
Card Number Validation
dokutan
141
64ms
13 days ago
Card Number Validation
kasarino
299
11ms
13 days ago
Card Number Validation
kasarino
373
44ms
13 days ago
Card Number Validation
kasarino
240
2ms
13 days ago
Card Number Validation
emgordon154
129
55ms
14 days ago
Card Number Validation
emgordon154
94
2ms
14 days ago
Card Number Validation
jbjd
151
2ms
17 days ago
Card Number Validation
jbjd
142
11ms
17 days ago
Card Number Validation
ryyyn
🥈
84
21ms
18 days ago
Card Number Validation
yeminghan2021
131
56ms
18 days ago
Card Number Validation
error256
💎
60
1,103ms
20 days ago
Card Number Validation
Andrey2001
129
525ms
20 days ago
Card Number Validation
Andrey2001
137
9ms
20 days ago
Card Number Validation
plcc0
30
97ms
21 days ago
Card Number Validation
plcc0
34
68ms
21 days ago
Card Number Validation
canissimia
🥇
47
2ms
22 days ago
Card Number Validation
edsrzf
🥈
113
6ms
23 days ago
Card Number Validation
JOrE20
191
109ms
25 days ago
Card Number Validation
ovs-code
52
4ms
24 Jan 2026
Card Number Validation
jkelly467
99
2,384ms
22 Jan 2026
Card Number Validation
nwellnhof
🥉
105
390ms
22 Jan 2026
Card Number Validation
theEsteemed
606
472ms
20 Jan 2026
Card Number Validation
alexsave
89
9ms
20 Jan 2026
Card Number Validation
error256
98
416ms
17 Jan 2026
Card Number Validation
tomh1012
139
19ms
16 Jan 2026
Card Number Validation
edsrzf
52
113ms
16 Jan 2026
Card Number Validation
jgbaldwinbrown
123
2ms
14 Jan 2026
Card Number Validation
plcc0
97
17ms
12 Jan 2026
Card Number Validation
dokutan
138
8ms
11 Jan 2026
Card Number Validation
NicoBliss
84
10ms
11 Jan 2026
Card Number Validation
osNiko
72
51ms
11 Jan 2026
Card Number Validation
KatieLG
89
5ms
10 Jan 2026
Card Number Validation
commandz0
74
5ms
10 Jan 2026