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ALGOL 68
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brainfuck
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C++
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Coconut
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D
Dart
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J
Janet
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jq
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K
Kotlin
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R
Raku
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Rust
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sed
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Tcl
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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 (Fill-in)
scpchicken
262
36ms
23 hours ago
Sudoku (Fill-in)
flekAI
261
13ms
35 hours ago
Sudoku (Fill-in)
StefanHabel
266
113ms
10 days ago
Sudoku (Fill-in)
madex
350
22ms
10 days ago
Sudoku (Fill-in)
jusaka
262
35ms
11 days ago
Sudoku (Fill-in)
Flekay
261
15ms
17 days ago
Sudoku (Fill-in)
aksyristos
262
41ms
18 days ago
Sudoku (Fill-in)
blaztoma
193
40ms
15 Mar 2026
Sudoku (Fill-in)
snoozingnewt
200
187ms
14 Mar 2026
Sudoku (Fill-in)
tomh1012
370
64ms
6 Mar 2026
Sudoku (Fill-in)
JOrE20
594
16ms
22 Feb 2026
Sudoku (Fill-in)
Lv0Sys
562
21ms
20 Feb 2026
Sudoku (Fill-in)
Steffan153
182
33ms
18 Feb 2026
Sudoku (Fill-in)
plcc0
248
103ms
9 Jan 2026
Sudoku (Fill-in)
dokutan
724
21ms
27 Dec 2025
Sudoku (Fill-in)
TheZwierzLF
554
304ms
25 Dec 2025
Sudoku (Fill-in)
bzijlema
178
83ms
16 Dec 2025
Sudoku (Fill-in)
MeWhenI
196
1,182ms
12 Dec 2025
Sudoku (Fill-in)
CornerMercury
238
64ms
1 Dec 2025
Sudoku (Fill-in)
AidanWalter
2,614
34ms
28 Nov 2025
Sudoku (Fill-in)
ndren
343
46ms
26 Nov 2025
Sudoku (Fill-in)
ryyyn
174
1,024ms
1 Nov 2025
Sudoku (Fill-in)
Babafaba
413
548ms
26 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
235
52ms
19 Oct 2025
Sudoku (Fill-in)
BREMAUCY
327
43ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
192
248ms
2 Oct 2025
Sudoku (Fill-in)
qpwoeirut
287
40ms
21 Sep 2025
Sudoku (Fill-in)
InigoK
297
678ms
18 Sep 2025
Sudoku (Fill-in)
CaedenHarper
310
63ms
15 Sep 2025
Sudoku (Fill-in)
cros107
215
100ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
782
14ms
6 Sep 2025
Sudoku (Fill-in)
sean-niemann
189
39ms
26 Aug 2025
Sudoku (Fill-in)
Zhenyu-Bo
2,240
14ms
1 Aug 2025
Sudoku (Fill-in)
anter69
276
176ms
10 Jul 2025
Sudoku (Fill-in)
evan18c
3,386
26ms
18 Apr 2025
Sudoku (Fill-in)
keegan-t
1,457
18ms
18 Apr 2025
Sudoku (Fill-in)
mbittner20
610
89ms
14 Apr 2025
Sudoku (Fill-in)
zt14427
4,693
25ms
18 Mar 2025
Sudoku (Fill-in)
jameswmccarty
1,521
20ms
13 Mar 2025
Sudoku (Fill-in)
ahmetdemirag
245
59ms
4 Mar 2025
Sudoku (Fill-in)
ovs-code
170
3,237ms
9 Feb 2025
Sudoku (Fill-in)
ComputerKWasTaken
1,007
13ms
23 Jan 2025
Sudoku (Fill-in)
croc54
358
78ms
18 Jan 2025
Sudoku (Fill-in)
theadamabrams
784
92ms
28 Nov 2024
Sudoku (Fill-in)
wh3n3v3r
430
32ms
18 Nov 2024
Sudoku (Fill-in)
lifthrasiir
240
149ms
16 Nov 2024
Sudoku (Fill-in)
Natanaelel
240
21ms
11 Nov 2024
Sudoku (Fill-in)
xyangst
760
23ms
12 Oct 2024
Sudoku (Fill-in)
JesseNoEyes
1,298
25ms
20 Sep 2024
Sudoku (Fill-in)
jatloe
193
91ms
16 Sep 2024
Sudoku (Fill-in)
Rubiksmath
188
565ms
2 Sep 2024
Sudoku (Fill-in)
kg583
225
74ms
9 Jun 2024
Sudoku (Fill-in)
pardouin
170
67ms
9 Jun 2024
Sudoku (Fill-in)
Yewzir
1,084
3,881ms
1 Jun 2024
Sudoku (Fill-in)
jtaxen
3,085
40ms
10 May 2024
Sudoku (Fill-in)
AlephSquirrel
316
169ms
30 Mar 2024
Sudoku (Fill-in)
duckyluuk
230
70ms
22 Mar 2024
Sudoku (Fill-in)
davecame
269
180ms
20 Mar 2024
Sudoku (Fill-in)
5cw
🥉
164
99ms
11 Mar 2024
Sudoku (Fill-in)
mathisfun271
470
31ms
6 Mar 2024
Sudoku (Fill-in)
DialFrost
221
339ms
14 Feb 2024
Sudoku (Fill-in)
rsgray
468
1,434ms
7 Feb 2024
Sudoku (Fill-in)
neel11235813
294
85ms
12 Jan 2024
Sudoku (Fill-in)
yuchuehw
769
16ms
9 Jan 2024
Sudoku (Fill-in)
commandz0
358
51ms
31 Oct 2023
Sudoku (Fill-in)
SB-945
277
503ms
31 Aug 2023
Sudoku (Fill-in)
stefangimmillaro
217
205ms
17 Aug 2023
Sudoku (Fill-in)
FortuiteMan
357
131ms
6 Aug 2023
Sudoku (Fill-in)
bizy-coder
188
132ms
4 Aug 2023
Sudoku (Fill-in)
AlexanderFair
270
60ms
31 Jul 2023
Sudoku (Fill-in)
msbranicky
746
27ms
26 Jul 2023
Sudoku (Fill-in)
janbehrens
443
311ms
17 Jun 2023
Sudoku (Fill-in)
TaserTheFox
428
4,056ms
23 May 2023
Sudoku (Fill-in)
eiburns
441
53ms
10 May 2023
Sudoku (Fill-in)
adamnielson42
263
61ms
25 Apr 2023
Sudoku (Fill-in)
galloj
634
65ms
24 Feb 2023
Sudoku (Fill-in)
prplz
225
115ms
6 Jan 2023
Sudoku (Fill-in)
za3k
1,109
48ms
14 Dec 2022
Sudoku (Fill-in)
QuincyNash
591
966ms
4 Dec 2022
Sudoku (Fill-in)
jakobkordez
306
142ms
2 Nov 2022