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APL
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BQN
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Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
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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
bitsandbeyond
414
5ms
24 days ago
Sudoku
kasarino
1,051
2ms
26 Jun 2026
Sudoku
KasperKivimaeki
🥉
394
3,479ms
28 May 2026
Sudoku
BREMAUCY
1,840
3ms
25 May 2026
Sudoku
madex
508
3ms
5 Apr 2026
Sudoku
aksyristos
781
2ms
20 Feb 2026
Sudoku
AlexKent3141
892
3ms
17 Sep 2025
Sudoku
JayXon
🥇
323
3ms
2 May 2025
Sudoku
ovs-code
🥇
323
9ms
29 Apr 2025
Sudoku
devoil-g
633
2ms
4 Oct 2024
Sudoku
MostParsingVex
401
2ms
2 Sep 2024
Sudoku
RealAMC
639
2ms
27 Aug 2024
Sudoku
emgordon154
654
2ms
18 Jul 2024
Sudoku
aubergine-sauce
1,119
2ms
20 May 2024
Sudoku
Mandrzejy
1,559
3ms
28 Mar 2024
Sudoku
bac0id
607
2ms
23 Feb 2024
Sudoku
klixel
667
3ms
26 Aug 2023
Sudoku
lyphyser
1,638
3ms
17 Jul 2023
Sudoku
nyoshe
659
3ms
4 Jul 2023
Sudoku
CatsAreFluffy
1,236
2ms
13 May 2023
Sudoku
MeWhenI
595
7ms
7 May 2023
Sudoku
janbehrens
718
33ms
7 Apr 2023
Sudoku
cmayer777
851
6ms
18 Oct 2022
Sudoku
aidankco
1,809
4ms
9 Aug 2022
Sudoku
jared-hughes
419
3ms
3 Aug 2022
Sudoku
c0d3-4-F00d
634
2ms
23 May 2022
Sudoku
pandapawskat
595
2ms
13 Sep 2021
Sudoku
KatieLG
1,838
3ms
30 Jun 2021
Sudoku
SirBogman
434
7ms
17 Jul 2020
Sudoku
rambox11
565
2ms
20 May 2020
Sudoku
Alesun
617
28ms
18 Oct 2019
Sudoku
giacomogallina
625
18ms
18 Oct 2019
Sudoku
orthoplex
414
3ms
31 Aug 2019