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iogii
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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
Chars
Time
Submitted
Sudoku
StefanHabel
369
54ms
3 days ago
Sudoku
jusaka
387
48ms
8 days ago
Sudoku
aksyristos
387
42ms
14 days ago
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blaztoma
329
44ms
26 days ago
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snoozingnewt
219
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27 days ago
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Flekay
387
41ms
10 Mar 2026
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JOrE20
546
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21 Feb 2026
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zhaohm14
435
49ms
16 Jan 2026
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kurkale6ka
841
18ms
15 Dec 2025
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CornerMercury
213
39ms
14 Dec 2025
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ryyyn
362
3,623ms
3 Dec 2025
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dokutan
401
31ms
3 Dec 2025
Sudoku
Lv0Sys
546
22ms
2 Dec 2025
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robin-scragg
735
15ms
1 Nov 2025
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CaedenHarper
456
66ms
31 Oct 2025
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Babafaba
376
297ms
26 Oct 2025
Sudoku
BREMAUCY
553
27ms
4 Oct 2025
Sudoku
bzijlema
399
766ms
2 Oct 2025
Sudoku
albanian-laundromat
262
22ms
16 Sep 2025
Sudoku
cros107
430
115ms
7 Sep 2025
Sudoku
HumanoidCPU
360
12ms
6 Sep 2025
Sudoku
InigoK
286
70ms
29 Aug 2025
Sudoku
muser-logiccpu
935
39ms
25 Aug 2025
Sudoku
Zhenyu-Bo
1,760
15ms
1 Aug 2025
Sudoku
ndren
390
23ms
26 Jul 2025
Sudoku
klixel
647
24ms
20 Jul 2025
Sudoku
RaBa21
476
214ms
17 Jul 2025
Sudoku
FortuiteMan
552
226ms
14 Jul 2025
Sudoku
ovs-code
299
39ms
29 Jun 2025
Sudoku
KatieLG
291
48ms
25 May 2025
Sudoku
kistlerf
526
380ms
19 May 2025
Sudoku
gamk3
408
14ms
6 May 2025
Sudoku
emgordon154
256
45ms
23 Apr 2025
Sudoku
mbittner20
541
452ms
14 Apr 2025
Sudoku
zt14427
4,420
13ms
18 Mar 2025
Sudoku
sean-niemann
204
13ms
17 Mar 2025
Sudoku
jameswmccarty
1,160
20ms
13 Mar 2025
Sudoku
ahmetdemirag
353
160ms
4 Mar 2025
Sudoku
ComputerKWasTaken
685
24ms
23 Jan 2025
Sudoku
JunkIce
427
24ms
19 Jan 2025
Sudoku
yokasuretsu
691
11ms
6 Jan 2025
Sudoku
AidanWalter
1,944
14ms
3 Jan 2025
Sudoku
croc54
599
22ms
14 Dec 2024
Sudoku
lifthrasiir
190
45ms
16 Nov 2024
Sudoku
wh3n3v3r
496
40ms
14 Nov 2024
Sudoku
yousefalizadeh
567
14ms
8 Oct 2024
Sudoku
hiichbindermax
1,251
51ms
17 Sep 2024
Sudoku
jatloe
392
38ms
16 Sep 2024
Sudoku
PyryL
659
39ms
24 Aug 2024
Sudoku
duckyluuk
230
39ms
15 Aug 2024
Sudoku
pardouin
174
60ms
12 Jul 2024
Sudoku
Steffan153
200
16ms
11 Jul 2024
Sudoku
cingulataluke
846
25ms
3 Jun 2024
Sudoku
Natanaelel
579
33ms
24 May 2024
Sudoku
cakular
440
25ms
19 May 2024
Sudoku
jtaxen
2,123
23ms
10 May 2024
Sudoku
inverseLorentz
1,081
19ms
30 Apr 2024
Sudoku
aalec
561
20ms
25 Apr 2024
Sudoku
SB-945
308
519ms
17 Apr 2024
Sudoku
yuchuehw
874
24ms
11 Apr 2024
Sudoku
5cw
347
36ms
28 Mar 2024
Sudoku
mathisfun271
647
25ms
6 Mar 2024
Sudoku
DialFrost
379
253ms
14 Feb 2024
Sudoku
kg583
196
209ms
1 Feb 2024
Sudoku
SirBogman
168
317ms
22 Jan 2024
Sudoku
MeWhenI
351
225ms
17 Jan 2024
Sudoku
neel11235813
179
141ms
11 Jan 2024
Sudoku
brimstonetrader
555
456ms
11 Jan 2024
Sudoku
hallvabo
189
44ms
31 Dec 2023
Sudoku
adamnielson42
513
62ms
27 Nov 2023
Sudoku
stefangimmillaro
389
289ms
29 Oct 2023
Sudoku
FlorianCassayre
423
1,369ms
18 Sep 2023
Sudoku
msbranicky
694
21ms
31 Aug 2023
Sudoku
christensendaniel
2,125
17ms
24 Aug 2023
Sudoku
Vaekor
570
46ms
3 Aug 2023
Sudoku
Ripick
711
572ms
24 Jul 2023
Sudoku
janbehrens
519
238ms
17 Jun 2023
Sudoku
Yewzir
506
4,918ms
8 Jun 2023
Sudoku
TaserTheFox
611
571ms
23 May 2023
Sudoku
JayXon
💎
158
27ms
21 May 2023