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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
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
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Card Number Validation
solisolu
99
17ms
24 hours ago
Card Number Validation
dokutan
107
814ms
38 hours ago
Card Number Validation
dokutan
92
392ms
38 hours ago
Card Number Validation
dokutan
102
16ms
38 hours ago
Card Number Validation
tomh1012
108
10ms
46 hours ago
Card Number Validation
fantaize
330
198ms
3 days ago
Card Number Validation
denkyuu1
126
11ms
3 days ago
Card Number Validation
denkyuu1
156
603ms
3 days ago
Card Number Validation
denkyuu1
123
17ms
3 days ago
Card Number Validation
denkyuu1
97
37ms
4 days ago
Card Number Validation
Protothor
122
12ms
4 days ago
Card Number Validation
albanian-laundromat
🥉
161
27ms
4 days ago
Card Number Validation
janAkali
147
373ms
4 days ago
Card Number Validation
aksyristos
155
10ms
4 days ago
Card Number Validation
CaedenHarper
99
425ms
5 days ago
Card Number Validation
Aquateraneal
137
17ms
5 days ago
Card Number Validation
albanian-laundromat
108
68ms
8 days ago
Card Number Validation
tomh1012
137
17ms
9 days ago
Card Number Validation
kg583
166
37ms
12 days ago
Card Number Validation
JayXon
💎
71
177ms
13 days ago
Card Number Validation
Steffan153
🥈
72
181ms
13 days ago
Card Number Validation
rucin93
🥈
72
185ms
13 days ago
Card Number Validation
Steffan153
🥇
64
843ms
15 days ago
Card Number Validation
GrayJoKing
🥈
101
9ms
15 days ago
Card Number Validation
anter69
71
1,213ms
16 days ago
Card Number Validation
anter69
65
35ms
16 days ago
Card Number Validation
anter69
94
16ms
16 days ago
Card Number Validation
edsrzf
💎
98
7ms
16 days ago
Card Number Validation
lukegustafson
90
17ms
16 days ago
Card Number Validation
albanian-laundromat
72
1ms
17 days ago
Card Number Validation
Lv0Sys
76
14ms
19 days ago
Card Number Validation
Lv0Sys
107
17ms
19 days ago
Card Number Validation
RodAlc24
149
17ms
19 days ago
Card Number Validation
xsot
66
782ms
20 days ago
Card Number Validation
lukegustafson
71
10ms
20 days ago
Card Number Validation
xsot
🥇
47
2ms
20 days ago
Card Number Validation
frankgraziano
🥉
128
7ms
20 days ago
Card Number Validation
JOrE20
124
17ms
20 days ago
Card Number Validation
edsrzf
🥈
104
437ms
20 days ago
Card Number Validation
edsrzf
🥈
83
103ms
20 days ago
Card Number Validation
edsrzf
🥇
64
788ms
20 days ago
Card Number Validation
edsrzf
🥈
135
272ms
20 days ago
Card Number Validation
edsrzf
🥈
121
3ms
21 days ago
Card Number Validation
Steffan153
🥈
74
420ms
21 days ago
Card Number Validation
Steffan153
🥈
84
20ms
21 days ago
Card Number Validation
Steffan153
🥇
78
2ms
21 days ago
Card Number Validation
edsrzf
🥉
107
411ms
21 days ago
Card Number Validation
edsrzf
72
11ms
21 days ago
Card Number Validation
edsrzf
🥇
78
2ms
21 days ago
Card Number Validation
edsrzf
🥈
148
40ms
21 days ago
Card Number Validation
kg583
80
384ms
22 days ago
Card Number Validation
kg583
💎
143
40ms
22 days ago
Card Number Validation
kg583
💎
111
7ms
22 days ago
Card Number Validation
edsrzf
💎
84
4ms
22 days ago
Card Number Validation
kg583
🥈
86
4ms
22 days ago
Card Number Validation
kg583
113
7ms
22 days ago
Card Number Validation
firegene
90
16ms
22 days ago
Card Number Validation
jshholland
35
1,111ms
22 days ago
Card Number Validation
Flekay
102
18ms
22 days ago
Card Number Validation
Natanaelel
15
34ms
24 days ago
Card Number Validation
Steffan153
47
4ms
25 days ago
Card Number Validation
sean-niemann
🥇
64
785ms
25 days ago
Card Number Validation
Steffan153
55
39ms
25 days ago
Card Number Validation
plcc0
18
35ms
27 days ago
Card Number Validation
2bular
15
32ms
27 days ago
Card Number Validation
darrenks
16
33ms
27 days ago
Card Number Validation
solisolu
106
2ms
14 Feb 2026
Card Number Validation
JOrE20
93
11ms
12 Feb 2026
Card Number Validation
KatieLG
105
439ms
11 Feb 2026
Card Number Validation
frosster
97
2ms
11 Feb 2026
Card Number Validation
Steffan153
🥈
81
11ms
11 Feb 2026
Card Number Validation
Steffan153
🥇
68
12ms
11 Feb 2026
Card Number Validation
KatieLG
106
17ms
11 Feb 2026
Card Number Validation
dokutan
155
467ms
10 Feb 2026
Card Number Validation
dokutan
131
2ms
10 Feb 2026
Card Number Validation
edsrzf
💎
131
28ms
10 Feb 2026
Card Number Validation
isaiah0311
135
2ms
9 Feb 2026
Card Number Validation
dokutan
141
64ms
8 Feb 2026
Card Number Validation
kasarino
299
11ms
8 Feb 2026
Card Number Validation
kasarino
373
44ms
8 Feb 2026