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ALGOL 68
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BASIC
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brainfuck
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C#
C++
Civet
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
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F#
Factor
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Go
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Groovy
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J
Janet
Java
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jq
Julia
K
Kotlin
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OCaml
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Perl
PHP
PowerShell
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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
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
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)
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
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Sudoku
flekAI
395
33ms
19 hours ago
Sudoku
StefanHabel
425
54ms
5 days ago
Sudoku
jusaka
395
48ms
10 days ago
Sudoku
aksyristos
395
42ms
17 days ago
Sudoku
blaztoma
333
44ms
15 Mar 2026
Sudoku
snoozingnewt
388
47ms
14 Mar 2026
Sudoku
Flekay
395
41ms
10 Mar 2026
Sudoku
CornerMercury
444
23ms
1 Mar 2026
Sudoku
JOrE20
1,042
14ms
21 Feb 2026
Sudoku
Steffan153
349
16ms
11 Feb 2026
Sudoku
zhaohm14
485
49ms
16 Jan 2026
Sudoku
kurkale6ka
1,151
18ms
15 Dec 2025
Sudoku
ryyyn
404
3,623ms
3 Dec 2025
Sudoku
dokutan
752
194ms
2 Dec 2025
Sudoku
Lv0Sys
590
22ms
2 Dec 2025
Sudoku
ndren
560
185ms
26 Nov 2025
Sudoku
robin-scragg
775
15ms
1 Nov 2025
Sudoku
CaedenHarper
500
66ms
31 Oct 2025
Sudoku
Babafaba
702
1,031ms
26 Oct 2025
Sudoku
InigoK
505
36ms
9 Oct 2025
Sudoku
BREMAUCY
597
27ms
4 Oct 2025
Sudoku
bzijlema
403
766ms
2 Oct 2025
Sudoku
albanian-laundromat
474
25ms
16 Sep 2025
Sudoku
cros107
479
516ms
7 Sep 2025
Sudoku
HumanoidCPU
670
12ms
6 Sep 2025
Sudoku
muser-logiccpu
1,176
18ms
21 Aug 2025
Sudoku
Zhenyu-Bo
2,074
15ms
1 Aug 2025
Sudoku
klixel
951
24ms
20 Jul 2025
Sudoku
RaBa21
901
420ms
17 Jul 2025
Sudoku
FortuiteMan
640
226ms
14 Jul 2025
Sudoku
ovs-code
💎
299
39ms
29 Jun 2025
Sudoku
kistlerf
568
380ms
19 May 2025
Sudoku
gamk3
743
13ms
6 May 2025
Sudoku
emgordon154
453
65ms
1 May 2025
Sudoku
KatieLG
531
26ms
19 Apr 2025
Sudoku
mbittner20
587
452ms
14 Apr 2025
Sudoku
zt14427
4,736
13ms
18 Mar 2025
Sudoku
sean-niemann
358
17ms
17 Mar 2025
Sudoku
jameswmccarty
1,476
20ms
13 Mar 2025
Sudoku
ahmetdemirag
401
160ms
4 Mar 2025
Sudoku
ComputerKWasTaken
987
24ms
23 Jan 2025
Sudoku
JunkIce
804
31ms
19 Jan 2025
Sudoku
yokasuretsu
771
11ms
6 Jan 2025
Sudoku
AidanWalter
2,246
14ms
3 Jan 2025
Sudoku
croc54
607
22ms
14 Dec 2024
Sudoku
lifthrasiir
394
46ms
16 Nov 2024
Sudoku
pardouin
345
48ms
15 Nov 2024
Sudoku
wh3n3v3r
542
40ms
14 Nov 2024
Sudoku
yousefalizadeh
611
14ms
8 Oct 2024
Sudoku
mathisfun271
898
31ms
4 Oct 2024
Sudoku
hiichbindermax
2,171
51ms
17 Sep 2024
Sudoku
jatloe
464
38ms
16 Sep 2024
Sudoku
PyryL
963
39ms
24 Aug 2024
Sudoku
kg583
370
262ms
28 Jun 2024
Sudoku
cingulataluke
1,150
25ms
3 Jun 2024
Sudoku
Yewzir
961
1,911ms
1 Jun 2024
Sudoku
Natanaelel
643
33ms
24 May 2024
Sudoku
cakular
508
25ms
19 May 2024
Sudoku
jtaxen
3,043
23ms
10 May 2024
Sudoku
inverseLorentz
1,405
19ms
30 Apr 2024
Sudoku
aalec
679
20ms
25 Apr 2024
Sudoku
yuchuehw
920
24ms
11 Apr 2024
Sudoku
5cw
355
36ms
28 Mar 2024
Sudoku
duckyluuk
409
62ms
22 Mar 2024
Sudoku
neel11235813
374
147ms
29 Feb 2024
Sudoku
DialFrost
423
253ms
14 Feb 2024
Sudoku
SB-945
565
406ms
17 Jan 2024
Sudoku
brimstonetrader
857
456ms
11 Jan 2024
Sudoku
adamnielson42
607
164ms
27 Nov 2023
Sudoku
stefangimmillaro
389
289ms
29 Oct 2023
Sudoku
FlorianCassayre
787
248ms
30 Sep 2023
Sudoku
msbranicky
736
21ms
31 Aug 2023
Sudoku
christensendaniel
2,427
17ms
24 Aug 2023
Sudoku
Vaekor
630
46ms
3 Aug 2023
Sudoku
Ripick
757
572ms
24 Jul 2023
Sudoku
janbehrens
567
238ms
17 Jun 2023
Sudoku
TaserTheFox
653
571ms
23 May 2023
Sudoku
JayXon
320
17ms
21 May 2023
Sudoku
eiburns
630
20ms
10 May 2023
Sudoku
TheCod-r
963
20ms
20 Mar 2023