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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
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
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
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
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
Chars
Time
Submitted
Sudoku
CaedenHarper
623
20ms
31 Aug 2025
Sudoku
gigaprofisi
1,286
36ms
12 Aug 2025
Sudoku
acollett89
1,635
13ms
11 Jul 2025
Sudoku
Lv0Sys
628
13ms
21 Jun 2025
Sudoku
sean-niemann
245
51ms
20 Feb 2025
Sudoku
rucin93
241
43ms
19 Jan 2025
Sudoku
Salutations45
436
18ms
27 Nov 2024
Sudoku
ovs-code
305
31ms
21 Nov 2024
Sudoku
madeforlosers
499
28ms
23 Oct 2024
Sudoku
LukeBridges
581
23ms
24 Sep 2024
Sudoku
helbling
438
12ms
12 Sep 2024
Sudoku
vlpx
217
18ms
19 Jun 2024
Sudoku
coreynash
567
21ms
1 Mar 2024
Sudoku
two-bad
537
13ms
25 Feb 2024
Sudoku
dmrichwa
339
240ms
31 Oct 2023
Sudoku
unfinishedprogram
735
133ms
27 Oct 2023
Sudoku
Larento
548
15ms
12 Oct 2023
Sudoku
Argeento
335
82ms
8 Sep 2023
Sudoku
una-ada
331
63ms
2 Sep 2023
Sudoku
voytxt
439
29ms
1 Sep 2023
Sudoku
IchBinMichMarkus
735
17ms
18 Jul 2023
Sudoku
janbehrens
519
758ms
17 Jun 2023
Sudoku
JayXon
💎
184
60ms
21 May 2023
Sudoku
zakariamouhid
861
53ms
20 May 2023
Sudoku
ShiraJoseph
530
74ms
5 May 2023
Sudoku
CarsonChr
776
16ms
30 Apr 2023
Sudoku
tayloia
354
18ms
24 Mar 2023
Sudoku
jared-hughes
355
32ms
13 Feb 2023
Sudoku
emplv
🥈
187
84ms
13 Oct 2022
Sudoku
BambooleanLogic
513
15ms
21 Sep 2022
Sudoku
KatieLG
586
25ms
21 Sep 2022
Sudoku
dgerblick
514
897ms
20 Sep 2022
Sudoku
GeorgeStechman
731
24ms
8 Sep 2022
Sudoku
itsh01
554
15ms
10 Jul 2022
Sudoku
KatieLG-Transpiler
1,887
17ms
2 Jul 2022
Sudoku
uttumuttu
391
17ms
21 Mar 2022
Sudoku
didion0
456
11ms
18 Feb 2022
Sudoku
Irratix
226
26ms
4 Jan 2022
Sudoku
MeWhenI
483
26ms
24 Sep 2021
Sudoku
tomtheisen
220
45ms
17 Oct 2020
Sudoku
dsntzn
634
13ms
4 Oct 2020
Sudoku
tomh1012
522
15ms
25 Sep 2020
Sudoku
thisishowmymindworks
348
22ms
9 Sep 2020
Sudoku
proton
948
65ms
20 Jun 2020
Sudoku
elisherer
415
25ms
11 Dec 2019
Sudoku
prplz
229
51ms
29 Oct 2019
Sudoku
primo-ppcg
🥉
212
27ms
13 Sep 2019
Sudoku
frobinsonj
547
22ms
21 Aug 2019
Sudoku
lukasmoellerch
583
196ms
18 Jul 2019
Sudoku
rambox11
271
12ms
23 Nov 2018