All Holes 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal

Bytes Chars

Hole	Golfer	Chars	Submitted
Sudoku (Fill-in)	pardouin	98	3 days ago
Sudoku (Fill-in)	tatzyr	881	28 Jun 2025
Sudoku (Fill-in)	emgordon154	201	21 Apr 2025
Sudoku (Fill-in)	Natanaelel	178	11 Nov 2024
Sudoku (Fill-in)	JayXon	💎 90	2 Apr 2024
Sudoku (Fill-in)	Steffan153	🥈 92	2 Apr 2024
Sudoku (Fill-in)	sean-niemann	95	27 Feb 2024
Sudoku (Fill-in)	olleicua	156	26 Feb 2024
Sudoku (Fill-in)	ovs-code	128	20 Jan 2024
Sudoku (Fill-in)	KatieLG	304	26 Dec 2023
Sudoku (Fill-in)	stefangimmillaro	95	18 Aug 2023
Sudoku (Fill-in)	scpchicken	213	6 Jan 2023
Sudoku (Fill-in)	SirBogman	99	20 Nov 2022
Sudoku (Fill-in)	jared-hughes	173	10 Sep 2022
Sudoku (Fill-in)	KatieLG-Transpiler	1,704	3 Jul 2022
Sudoku (Fill-in)	MeWhenI	🥉 93	3 Jul 2022
Sudoku (Fill-in)	xiBread	114	26 Oct 2021
Sudoku (Fill-in)	prplz	181	6 Jun 2021
Sudoku (Fill-in)	primo-ppcg	134	26 Apr 2021
Sudoku (Fill-in)	sisyphus-ppcg	94	26 Apr 2021