All Holes 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 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 All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony iogii J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal ZuzuScript

Bytes Chars

Hole	Golfer	Chars	Time	Submitted
Sudoku (Fill-in)	JOrE20	385	474ms	2 days ago
Sudoku (Fill-in)	zzh1996	241	656ms	8 days ago
Sudoku (Fill-in)	codewrite	1,307	568ms	16 days ago
Sudoku (Fill-in)	kmathis22	545	676ms	23 Jun 2026
Sudoku (Fill-in)	janbehrens	545	2,111ms	16 May 2026
Sudoku (Fill-in)	CaedenHarper	714	870ms	22 Mar 2026
Sudoku (Fill-in)	Steffan153	🥉 238	719ms	11 Feb 2026
Sudoku (Fill-in)	h3ra993huskp	903	671ms	30 Nov 2025
Sudoku (Fill-in)	MeWhenI	🥈 228	916ms	7 Nov 2025
Sudoku (Fill-in)	Jacob385	1,241	611ms	28 Oct 2025
Sudoku (Fill-in)	stefangimmillaro	264	809ms	6 Oct 2025
Sudoku (Fill-in)	edsrzf	253	778ms	3 Oct 2025
Sudoku (Fill-in)	JayXon	💎 220	831ms	27 Sep 2025
Sudoku (Fill-in)	sean-niemann	243	796ms	24 Sep 2025
Sudoku (Fill-in)	bac0id	487	631ms	23 Feb 2024
Sudoku (Fill-in)	KatieLG-Transpiler	2,488	889ms	7 Jul 2022
Sudoku (Fill-in)	SirBogman	311	515ms	30 Oct 2021
Sudoku (Fill-in)	KatieLG	840	737ms	4 Jun 2021
Sudoku (Fill-in)	Dazza314	1,746	740ms	2 Jun 2021
Sudoku (Fill-in)	neihousaigaai	515	646ms	10 May 2021