Spelling Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 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 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Minesweeper 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 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 # Golfer Points Bytes Time Submitted 526th CaedenHarper 🇨🇦 614 430 518ms 5 Oct 2025 527th cmayer777 613 535 5ms 20 Dec 2022 528th jaredcrystal 🇺🇸 612 389 38ms 13 Dec 2018 529th KatieLG 🇬🇧 612 393 993ms 25 Apr 2021 530th roavin 612 481 360ms 30 Jun 2022 531st snoozingnewt 🇺🇸 611 537 419ms 13 Sep 2025 532nd ericlangedijk 🇸🇮 610 483 365ms 18 Mar 2022 533rd bac0id 610 538 3ms 24 Dec 2024 534th RegularSalamander 609 441 11ms 30 Jan 2022 535th rbertram90 🇬🇧 608 448 5ms 3 May 2025 536th gnlow 🇰🇷 606 443 11ms 27 Jan 2022 537th Laksen 🇩🇰 606 656 30ms 9 Jul 2021 538th IISResetMe 604 408 289ms 7 Mar 2024 539th MattShaile 604 445 12ms 13 Apr 2022 540th mckymsh 602 446 14ms 14 Feb 2024 540th XenThe 🇬🇧 602 446 11ms 23 Jun 2025 542nd Meowsan91 🇨🇿 602 489 373ms 21 Nov 2021 543rd biinari 598 398 43ms 18 Mar 2018 544th samthidny 598 449 11ms 13 Apr 2022 545th two-bad 🇬🇧 597 450 11ms 25 Feb 2024 546th emgordon154 594 405 1,364ms 20 Nov 2024 547th bac0id 593 584 2,521ms 10 Jan 2025 548th BlueSky555 591 586 2,529ms 8 Aug 2024 549th msbranicky 591 603 289ms 6 Oct 2023 550th lahell 590 418 392ms 17 Jun 2020 551st BettaGeorge 589 300 5ms 24 Dec 2017 552nd Waffle3z 588 405 37ms 6 Jul 2021 553rd jorbDehmel 🇺🇸 585 592 1,062ms 8 Jun 2023 554th bzijlema 🇳🇱 584 325 14ms 7 Jul 2025 555th mrmena 🇦🇺 584 580 49ms 8 May 2024 556th boxjelly 581 565 5ms 17 Feb 2021 557th kjetillll 🇮🇩 579 305 4ms 19 May 2021 558th bricknellj 579 328 16ms 19 Jul 2024 559th Florian-Mt 579 464 10ms 12 Jul 2024 560th cmayer777 579 598 75ms 19 Dec 2022 561st SkimnerPhi 578 465 12ms 5 Dec 2020 562nd anter69 🇭🇺 577 329 14ms 13 Mar 2025 563rd sebipopa 🇷🇴 575 467 11ms 12 Sep 2022 563rd Lv0Sys 🇵🇱 575 467 12ms 25 May 2025 563rd Ow0cast 575 467 12ms 17 days ago 566th chartung17 574 460 601ms 1 Jan 2024 567th ETHproductions 🇺🇸 574 468 14ms 19 Dec 2018 568th MeWhenI 🇻🇦 572 309 4ms 16 Apr 2023 569th ericlangedijk 🇸🇮 566 702 28ms 18 Feb 2022 570th Kacarott 🇦🇺 565 396 93ms 13 Sep 2024 571st janbehrens 🇩🇪 562 314 5ms 28 May 2021 572nd lacroixjonathan87 560 487 10ms 6 Sep 2020 573rd janbehrens 🇩🇪 559 340 13ms 17 Jun 2023 574th ian-h-chamberlain 🇺🇸 557 656 304ms 12 Oct 2020 575th ahmetdemirag 🇨🇾 555 342 18ms 11 Aug 2024 576th TFeld00 🇩🇰 554 343 32ms 11 Nov 2020 577th MeWhenI 🇻🇦 554 369 37ms 13 Dec 2021 578th yokasuretsu 552 225 151ms 30 Nov 2021 579th neihousaigaai 549 346 16ms 7 Jul 2021 579th sultan 549 346 14ms 26 Feb 2024 579th 051 🇸🇬 549 346 22ms 28 Feb 2024 582nd marcin7Cd 547 347 21ms 16 Dec 2020 583rd TimCurwick 🇺🇸 547 451 261ms 27 Jan 2021 584th annaproxy 547 560 24ms 13 Jan 2023 585th lrustand 546 348 15ms 18 Jan 2018 586th jared-hughes 544 349 13ms 25 Mar 2022 586th shelerr 544 349 18ms 23 Aug 2025 588th akshatj27 🇦🇶 544 494 12ms 11 Jan 2022 589th StefanHabel 🇨🇦 543 350 23ms 20 Apr 2024 590th TornadoCookie 542 605 4ms 25 Dec 2022 591st Attero 🇸🇪 541 351 14ms 13 Oct 2020 592nd zakariamouhid 539 498 12ms 14 May 2023 593rd scpchicken 🇵🇼 537 329 7ms 30 Jan 2023 594th baumpilz 537 492 392ms 20 Jan 2021 595th inventshah 536 354 34ms 27 Jan 2023 595th TaserTheFox 🇺🇸 536 354 20ms 20 Apr 2023 597th OllieBoyne 🇬🇧 535 355 19ms 18 Apr 2022 598th KevinMarquette 🇺🇸 535 461 333ms 8 Jun 2020 599th lynn 535 479 29ms 25 Jul 2021 600th jacklynnepenick 533 356 14ms 17 Aug 2021 First Prev 526–600 of 1,015 Next Last
