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Hy
Knight
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Luau
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
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
Nim
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Chars
Time
Submitted
Sudoku (Fill-in)
ihsan-gpt
161
225ms
5 days ago
Sudoku (Fill-in)
ryyyn
163
1,541ms
7 days ago
Sudoku (Fill-in)
christos-cantina-security
262
18ms
15 days ago
Sudoku (Fill-in)
Andrey2001
204
404ms
16 days ago
Sudoku (Fill-in)
kg583
116
41ms
16 days ago
Sudoku (Fill-in)
blaztoma
162
41ms
17 days ago
Sudoku (Fill-in)
jordansafer
594
13ms
20 days ago
Sudoku (Fill-in)
Lv0Sys
259
39ms
21 days ago
Sudoku (Fill-in)
Steffan153
172
64ms
16 Aug 2026
Sudoku (Fill-in)
qpwoeirut
282
313ms
2 Aug 2026
Sudoku (Fill-in)
Seek64
170
42ms
18 Jul 2026
Sudoku (Fill-in)
zzh1996
282
23ms
19 Jun 2026
Sudoku (Fill-in)
codereport
168
452ms
18 Jun 2026
Sudoku (Fill-in)
CaedenHarper
306
62ms
11 Jun 2026
Sudoku (Fill-in)
pardouin
🥉
107
82ms
25 May 2026
Sudoku (Fill-in)
oaiqjuy
261
206ms
20 May 2026
Sudoku (Fill-in)
aksyristos
156
35ms
18 May 2026
Sudoku (Fill-in)
sisyphus-gpt
171
51ms
15 May 2026
Sudoku (Fill-in)
LostSyntax21
148
78ms
14 May 2026
Sudoku (Fill-in)
vang1ong7ang
222
37ms
26 Apr 2026
Sudoku (Fill-in)
bknower
541
143ms
24 Apr 2026
Sudoku (Fill-in)
scpchicken
262
38ms
13 Apr 2026
Sudoku (Fill-in)
StefanHabel
266
54ms
3 Apr 2026
Sudoku (Fill-in)
madex
350
21ms
3 Apr 2026
Sudoku (Fill-in)
snoozingnewt
125
50ms
14 Mar 2026
Sudoku (Fill-in)
tomh1012
370
56ms
6 Mar 2026
Sudoku (Fill-in)
JOrE20
322
27ms
22 Feb 2026
Sudoku (Fill-in)
Flekay
159
37ms
15 Feb 2026
Sudoku (Fill-in)
plcc0
133
58ms
9 Jan 2026
Sudoku (Fill-in)
dokutan
387
15ms
27 Dec 2025
Sudoku (Fill-in)
TheZwierzLF
554
222ms
25 Dec 2025
Sudoku (Fill-in)
bzijlema
178
66ms
16 Dec 2025
Sudoku (Fill-in)
CornerMercury
137
55ms
1 Dec 2025
Sudoku (Fill-in)
AidanWalter
2,304
23ms
28 Nov 2025
Sudoku (Fill-in)
Babafaba
232
267ms
26 Oct 2025
Sudoku (Fill-in)
KatieLG
204
46ms
19 Oct 2025
Sudoku (Fill-in)
BREMAUCY
189
57ms
4 Oct 2025
Sudoku (Fill-in)
emgordon154
184
767ms
2 Oct 2025
Sudoku (Fill-in)
albanian-laundromat
144
17ms
16 Sep 2025
Sudoku (Fill-in)
cros107
215
92ms
8 Sep 2025
Sudoku (Fill-in)
HumanoidCPU
416
12ms
6 Sep 2025
Sudoku (Fill-in)
InigoK
182
267ms
29 Aug 2025
Sudoku (Fill-in)
sean-niemann
120
59ms
26 Aug 2025
Sudoku (Fill-in)
Zhenyu-Bo
1,900
15ms
1 Aug 2025
Sudoku (Fill-in)
ndren
267
26ms
14 Jul 2025
Sudoku (Fill-in)
evan18c
3,070
25ms
18 Apr 2025
Sudoku (Fill-in)
keegan-t
1,431
13ms
18 Apr 2025
Sudoku (Fill-in)
mbittner20
564
84ms
14 Apr 2025
Sudoku (Fill-in)
zt14427
4,377
19ms
18 Mar 2025
Sudoku (Fill-in)
jameswmccarty
1,205
29ms
13 Mar 2025
Sudoku (Fill-in)
ahmetdemirag
245
17ms
4 Mar 2025
Sudoku (Fill-in)
ovs-code
170
79ms
9 Feb 2025
Sudoku (Fill-in)
ComputerKWasTaken
705
13ms
23 Jan 2025
Sudoku (Fill-in)
croc54
358
57ms
18 Jan 2025
Sudoku (Fill-in)
lifthrasiir
133
49ms
2 Dec 2024
Sudoku (Fill-in)
theadamabrams
784
110ms
28 Nov 2024
Sudoku (Fill-in)
wh3n3v3r
240
24ms
18 Nov 2024
Sudoku (Fill-in)
Natanaelel
240
16ms
11 Nov 2024
Sudoku (Fill-in)
xyangst
760
15ms
12 Oct 2024
Sudoku (Fill-in)
JesseNoEyes
982
20ms
20 Sep 2024
Sudoku (Fill-in)
jatloe
122
67ms
16 Sep 2024
Sudoku (Fill-in)
Rubiksmath
188
98ms
2 Sep 2024
Sudoku (Fill-in)
duckyluuk
126
105ms
29 Aug 2024
Sudoku (Fill-in)
jtaxen
2,165
33ms
10 May 2024
Sudoku (Fill-in)
neel11235813
148
39ms
3 Apr 2024
Sudoku (Fill-in)
AlephSquirrel
316
309ms
30 Mar 2024
Sudoku (Fill-in)
davecame
269
170ms
20 Mar 2024
Sudoku (Fill-in)
anter69
146
287ms
15 Mar 2024
Sudoku (Fill-in)
5cw
164
67ms
11 Mar 2024
Sudoku (Fill-in)
mathisfun271
470
24ms
6 Mar 2024
Sudoku (Fill-in)
DialFrost
136
360ms
14 Feb 2024
Sudoku (Fill-in)
rsgray
468
173ms
7 Feb 2024
Sudoku (Fill-in)
SirBogman
117
233ms
22 Jan 2024
Sudoku (Fill-in)
yuchuehw
410
21ms
17 Jan 2024
Sudoku (Fill-in)
hallvabo
109
47ms
31 Dec 2023
Sudoku (Fill-in)
commandz0
358
19ms
31 Oct 2023
Sudoku (Fill-in)
FlorianCassayre
250
337ms
18 Sep 2023
Sudoku (Fill-in)
SB-945
164
132ms
31 Aug 2023
Sudoku (Fill-in)
stefangimmillaro
217
142ms
17 Aug 2023
Sudoku (Fill-in)
FortuiteMan
203
408ms
6 Aug 2023
Sudoku (Fill-in)
bizy-coder
188
92ms
4 Aug 2023
Sudoku (Fill-in)
AlexanderFair
270
54ms
31 Jul 2023
Sudoku (Fill-in)
msbranicky
704
19ms
26 Jul 2023
Sudoku (Fill-in)
janbehrens
441
81ms
17 Jun 2023
Sudoku (Fill-in)
Yewzir
567
3,220ms
11 Jun 2023
Sudoku (Fill-in)
TaserTheFox
428
545ms
23 May 2023
Sudoku (Fill-in)
eiburns
441
14ms
10 May 2023
Sudoku (Fill-in)
adamnielson42
263
48ms
25 Apr 2023
Sudoku (Fill-in)
galloj
620
22ms
24 Feb 2023
Sudoku (Fill-in)
prplz
225
110ms
6 Jan 2023
Sudoku (Fill-in)
za3k
793
21ms
14 Dec 2022
Sudoku (Fill-in)
QuincyNash
547
1,258ms
4 Dec 2022
Sudoku (Fill-in)
jakobkordez
178
66ms
2 Nov 2022
Sudoku (Fill-in)
bricknellj
178
36ms
2 Nov 2022
Sudoku (Fill-in)
ValentinCassayre
620
70ms
19 Oct 2022
Sudoku (Fill-in)
atazzam
1,944
762ms
18 Oct 2022
Sudoku (Fill-in)
dillon-duncando
381
17ms
11 Oct 2022
Sudoku (Fill-in)
m-tkach
171
57ms
6 Oct 2022
Sudoku (Fill-in)
guilhem-roy
166
19ms
5 Oct 2022
Sudoku (Fill-in)
MaxElf999
508
14ms
29 Sep 2022