Sudoku (Fill-in) in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 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 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 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 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 iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 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 Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 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 # Golfer Points Chars Time Submitted 321st AlexanderFair 371 270 60ms 31 Jul 2023 322nd Ripick 371 525 587ms 24 Jul 2023 323rd Natanaelel 🇸🇪 370 532 162ms 10 Dec 2024 324th yzhs 🇩🇪 368 535 317ms 27 Jul 2021 325th flekAI 367 261 763ms 3 days ago 326th MeWhenI 🇻🇦 359 703 1,319ms 1 Jan 2022 327th kmathis22 358 548 568ms 10 days ago 328th AlephSquirrel 355 509 100ms 23 Jan 2025 329th blaztoma 🇱🇹 351 276 21ms 13 Dec 2025 330th qpwoeirut 349 287 40ms 21 Sep 2025 331st KatieLG 🇬🇧 345 534 124ms 20 Jan 2023 332nd blaztoma 🇱🇹 343 508 208ms 10 Dec 2025 333rd janbehrens 🇩🇪 343 573 925ms 31 Dec 2021 334th RDShah 338 297 15ms 8 Jun 2022 335th janbehrens 🇩🇪 338 511 4,955ms 20 Nov 2022 336th janbehrens 🇩🇪 336 500 317ms 5 Jul 2023 337th madeforlosers 330 349 26ms 15 days ago 338th janbehrens 🇩🇪 330 470 17ms 21 Mar 2022 339th strout 329 599 282ms 19 Aug 2022 340th scpchicken 🇵🇼 328 264 511ms 1 Jan 2023 341st CaedenHarper 🇨🇦 323 310 63ms 15 Sep 2025 342nd MeWhenI 🇻🇦 323 669 49ms 18 Jun 2022 343rd CaedenHarper 🇨🇦 321 298 816ms 15 Sep 2025 344th janbehrens 🇩🇪 321 523 824ms 26 Mar 2022 345th jerrandolph 321 718 389ms 1 Oct 2025 346th SniperSmiley 🇺🇸 318 315 148ms 18 Jul 2022 347th AlephSquirrel 317 316 169ms 30 Mar 2024 348th prestosilver 🇺🇸 315 620 417ms 21 days ago 349th JRaspass 🇬🇧 313 277 405ms 27 Apr 2021 350th JOrE20 311 322 16ms 22 Feb 2026 351st Irratix 🇳🇱 307 327 37ms 2 Jul 2022 352nd janbehrens 🇩🇪 303 581 559ms 31 Dec 2021 353rd CaedenHarper 🇨🇦 300 362 4,358ms 25 Sep 2025 354th alemelis 298 294 1,173ms 21 Aug 2024 355th amollberg 🇸🇪 297 338 139ms 20 Feb 2022 356th targrik 295 569 149ms 1 Feb 2025 357th jusaka 293 174 6ms 13 hours ago 358th MeWhenI 🇻🇦 293 502 181ms 28 May 2022 359th retrohun 291 344 18ms 29 Apr 2021 360th madex 🇩🇪 286 350 22ms 12 days ago 361st Natanaelel 🇸🇪 285 304 257ms 3 Jun 2024 362nd commandz0 🇺🇸 280 358 51ms 31 Oct 2023 362nd croc54 280 358 78ms 18 Jan 2025 364th KatieLG 🇬🇧 277 304 71ms 26 Dec 2023 365th yzhs 🇩🇪 277 362 44ms 14 Jun 2022 366th aaronze 🇦🇺 277 416 50ms 2 May 2021 367th CaedenHarper 🇨🇦 275 714 571ms 24 days ago 368th Natanaelel 🇸🇪 273 187 12ms 5 Nov 2025 369th tomh1012 271 370 64ms 6 Mar 2026 370th janbehrens 🇩🇪 271 425 1,128ms 2 Sep 2024 371st annaproxy 270 371 3,808ms 20 Sep 2022 372nd Natanaelel 🇸🇪 270 426 14ms 11 Dec 2021 373rd MeWhenI 🇻🇦 268 469 11ms 30 Sep 2021 374th KatieLG 🇬🇧 267 358 830ms 15 Jan 2024 375th dillon-duncando 263 381 13ms 11 Oct 2022 376th Lv0Sys 🇵🇱 261 441 17ms 28 Feb 2026 377th dokutan 259 387 15ms 27 Dec 2025 378th CaedenHarper 🇨🇦 257 686 494ms 21 Oct 2025 379th dokutan 248 386 451ms 14 Feb 2026 380th yuchuehw 244 410 24ms 17 Jan 2024 381st HumanoidCPU 241 416 18ms 6 Sep 2025 382nd coreynash 241 478 22ms 4 Mar 2024 383rd MeWhenI 🇻🇦 239 419 230ms 3 Aug 2024 384th nullie 236 424 20ms 17 Jun 2022 385th dillon-duncando 235 661 2ms 11 Oct 2022 386th TaserTheFox 🇺🇸 234 428 4,056ms 23 May 2023 387th KatieLG 🇬🇧 234 840 654ms 4 Jun 2021 388th fynnkroeger 233 430 23ms 1 May 2021 389th HumanoidCPU 232 412 503ms 6 Sep 2025 390th emgordon154 230 675 2ms 6 Mar 2025 391st eiburns 227 441 53ms 10 May 2023 391st janbehrens 🇩🇪 227 441 311ms 17 Jun 2023 393rd MeWhenI 🇻🇦 227 604 35ms 17 Nov 2021 394th CaedenHarper 🇨🇦 220 523 23ms 28 Aug 2025 395th h3ra993huskp 🇯🇵 217 903 821ms 30 Nov 2025 396th rsgray 214 468 1,434ms 7 Feb 2024 397th mathisfun271 213 470 31ms 6 Mar 2024 398th scpchicken 🇵🇼 212 571 1,600ms 26 Jan 2022 399th LukeBridges 🇬🇧 210 549 16ms 24 Sep 2024 400th Lv0Sys 🇵🇱 209 403 38ms 5 Dec 2025 First Prev 321–400 of 498 Next Last