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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
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
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
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
Calendar
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
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Sudoku (Fill-in)
CornerMercury
327
22ms
40 hours ago
Sudoku (Fill-in)
blaztoma
286
28ms
6 days ago
Sudoku (Fill-in)
ryyyn
174
181ms
18 days ago
Sudoku (Fill-in)
snoozingnewt
607
17ms
24 days ago
Sudoku (Fill-in)
Babafaba
413
276ms
25 days ago
Sudoku (Fill-in)
albanian-laundromat
235
15ms
19 Oct 2025
Sudoku (Fill-in)
bzijlema
178
293ms
8 Oct 2025
Sudoku (Fill-in)
BREMAUCY
327
39ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
192
393ms
2 Oct 2025
Sudoku (Fill-in)
qpwoeirut
287
59ms
21 Sep 2025
Sudoku (Fill-in)
InigoK
297
2,521ms
18 Sep 2025
Sudoku (Fill-in)
CaedenHarper
310
60ms
15 Sep 2025
Sudoku (Fill-in)
cros107
215
228ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
782
12ms
6 Sep 2025
Sudoku (Fill-in)
sean-niemann
189
47ms
26 Aug 2025
Sudoku (Fill-in)
ndren
578
31ms
14 Aug 2025
Sudoku (Fill-in)
Zhenyu-Bo
2,240
14ms
1 Aug 2025
Sudoku (Fill-in)
anter69
276
180ms
10 Jul 2025
Sudoku (Fill-in)
plcc0
287
344ms
22 Apr 2025
Sudoku (Fill-in)
evan18c
3,386
30ms
18 Apr 2025
Sudoku (Fill-in)
Keegan-T
1,457
14ms
18 Apr 2025
Sudoku (Fill-in)
mbittner20
610
127ms
14 Apr 2025
Sudoku (Fill-in)
madex
405
30ms
21 Mar 2025
Sudoku (Fill-in)
zt14427
4,693
21ms
18 Mar 2025
Sudoku (Fill-in)
jameswmccarty
1,521
19ms
13 Mar 2025
Sudoku (Fill-in)
ahmetdemirag
245
70ms
4 Mar 2025
Sudoku (Fill-in)
ovs-code
170
283ms
9 Feb 2025
Sudoku (Fill-in)
ComputerKWasTaken
1,007
24ms
23 Jan 2025
Sudoku (Fill-in)
croc54
358
54ms
18 Jan 2025
Sudoku (Fill-in)
theadamabrams
784
87ms
28 Nov 2024
Sudoku (Fill-in)
wh3n3v3r
430
21ms
18 Nov 2024
Sudoku (Fill-in)
lifthrasiir
240
125ms
16 Nov 2024
Sudoku (Fill-in)
Natanaelel
240
18ms
11 Nov 2024
Sudoku (Fill-in)
xyangst
760
14ms
12 Oct 2024
Sudoku (Fill-in)
JesseNoEyes
1,298
34ms
20 Sep 2024
Sudoku (Fill-in)
jatloe
193
62ms
16 Sep 2024
Sudoku (Fill-in)
Rubiksmath
188
101ms
2 Sep 2024
Sudoku (Fill-in)
dokutan
930
35ms
1 Aug 2024
Sudoku (Fill-in)
kg583
225
91ms
9 Jun 2024
Sudoku (Fill-in)
pardouin
170
52ms
9 Jun 2024
Sudoku (Fill-in)
Yewzir
1,084
4,553ms
1 Jun 2024
Sudoku (Fill-in)
jtaxen
3,085
25ms
10 May 2024
Sudoku (Fill-in)
Steffan153
183
41ms
4 Apr 2024
Sudoku (Fill-in)
AlephSquirrel
316
73ms
30 Mar 2024
Sudoku (Fill-in)
duckyluuk
230
1,643ms
22 Mar 2024
Sudoku (Fill-in)
davecame
269
69ms
20 Mar 2024
Sudoku (Fill-in)
5cw
🥉
164
103ms
11 Mar 2024
Sudoku (Fill-in)
mathisfun271
470
25ms
6 Mar 2024
Sudoku (Fill-in)
DialFrost
221
290ms
14 Feb 2024
Sudoku (Fill-in)
rsgray
468
96ms
7 Feb 2024
Sudoku (Fill-in)
neel11235813
294
56ms
12 Jan 2024
Sudoku (Fill-in)
yuchuehw
769
25ms
9 Jan 2024
Sudoku (Fill-in)
commandblockguy
358
19ms
31 Oct 2023
Sudoku (Fill-in)
StefanHabel
297
26ms
4 Sep 2023
Sudoku (Fill-in)
SB-945
277
98ms
31 Aug 2023
Sudoku (Fill-in)
stefangimmillaro
217
109ms
17 Aug 2023
Sudoku (Fill-in)
FortuiteMan
357
251ms
6 Aug 2023
Sudoku (Fill-in)
bizy-coder
188
522ms
4 Aug 2023
Sudoku (Fill-in)
AlexanderFair
270
190ms
31 Jul 2023
Sudoku (Fill-in)
msbranicky
746
18ms
26 Jul 2023
Sudoku (Fill-in)
janbehrens
443
379ms
17 Jun 2023
Sudoku (Fill-in)
TaserTheFox
428
4,305ms
23 May 2023
Sudoku (Fill-in)
eiburns
441
20ms
10 May 2023
Sudoku (Fill-in)
adamnielson42
263
74ms
25 Apr 2023
Sudoku (Fill-in)
galloj
634
17ms
24 Feb 2023
Sudoku (Fill-in)
aksyristos
782
146ms
27 Jan 2023
Sudoku (Fill-in)
scpchicken
300
181ms
7 Jan 2023
Sudoku (Fill-in)
prplz
225
51ms
6 Jan 2023
Sudoku (Fill-in)
za3k
1,109
28ms
14 Dec 2022
Sudoku (Fill-in)
QuincyNash
591
2,371ms
4 Dec 2022
Sudoku (Fill-in)
jakobkordez
306
45ms
2 Nov 2022
Sudoku (Fill-in)
bricknellj
178
32ms
2 Nov 2022
Sudoku (Fill-in)
MeWhenI
198
1,617ms
25 Oct 2022
Sudoku (Fill-in)
ValentinCassayre
620
128ms
19 Oct 2022
Sudoku (Fill-in)
atazzam
2,260
978ms
18 Oct 2022