ISBN in all languages in bytes. 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 Bytes Time Submitted 881st MeWhenI 🇻🇦 727 81 929ms 15 Sep 2025 882nd janbehrens 🇩🇪 727 133 461ms 24 Nov 2022 883rd MeWhenI 🇻🇦 726 72 2ms 13 Nov 2022 884th commandz0 🇺🇸 726 104 596ms 1 Sep 2025 885th dokutan 726 153 59ms 8 Nov 2025 886th jared-hughes 725 75 38ms 9 Sep 2022 887th krcs 🇵🇱 725 98 13ms 2 May 2022 887th stefangimmillaro 725 98 11ms 12 Sep 2024 889th Shanethegamer 🇺🇸 725 180 40ms 23 Apr 2022 890th Blendi-Goose 724 120 2ms 7 Mar 2026 891st jm600 724 122 10ms 19 Apr 2022 891st krcs 🇵🇱 724 122 10ms 29 Apr 2022 891st bbakersmith 724 122 10ms 6 Jun 2022 891st nstearns96 🇬🇧 724 122 11ms 29 Nov 2022 891st stertooy 🇧🇪 724 122 11ms 11 Jun 2024 891st croc54 724 122 10ms 8 Jan 2025 891st Matter1024 🇮🇳 724 122 15ms 15 Nov 2025 891st Mikey-Beep 🇬🇧 724 122 14ms 6 days ago 899th msbranicky 724 168 157ms 1 Oct 2023 900th janAkali 🇷🇺 723 127 362ms 27 days ago 901st jared-hughes 722 128 2ms 17 Mar 2022 901st matricronia 722 128 2ms 2 Feb 2026 903rd GolfingSuccess 🇬🇷 721 43 42ms 22 Jul 2022 903rd DialFrost 🇸🇬 721 43 2ms 3 Feb 2024 905th GolfingSuccess 🇬🇷 721 80 5ms 17 Aug 2024 906th Frowny 720 156 146ms 11 Jan 2022 907th KasperKivimaeki 🇫🇮 719 149 459ms 12 Dec 2025 907th ravnskjaer 🇩🇰 719 149 432ms 15 Dec 2025 909th GeorgeStechman 🇬🇧 718 99 13ms 19 May 2022 909th vphoebe 718 99 11ms 25 May 2022 909th elisherer 🇮🇱 718 99 10ms 5 Jun 2022 912th gitbedd 🇬🇧 718 123 11ms 10 Jan 2022 912th andre-lameirinhas 🇵🇹 718 123 11ms 8 Aug 2022 912th MaxElf999 718 123 11ms 13 Sep 2022 912th bac0id 718 123 19ms 22 Sep 2023 912th HumanoidCPU 718 123 11ms 2 Mar 2025 912th Masttest 718 123 11ms 26 Nov 2025 912th yujqiao 718 123 11ms 16 Dec 2025 912th matricronia 718 123 19ms 2 Feb 2026 920th MeWhenI 🇻🇦 718 174 41ms 13 Feb 2025 921st revlayle 🇺🇸 717 108 441ms 20 Jan 2022 921st primo-ppcg 🇹🇭 717 108 387ms 20 Apr 2022 923rd HallMatthew314 716 157 121ms 24 Jan 2022 924th AlephSquirrel 715 136 3ms 14 May 2025 925th nullshallot 714 78 289ms 5 Jan 2025 926th duckyluuk 🇳🇱 714 108 11ms 13 Dec 2024 927th snoozingnewt 🇨🇦 714 116 97ms 3 hours ago 928th emgordon154 713 106 456ms 20 Feb 2025 929th Ailko 🇧🇪 712 124 10ms 6 May 2022 929th qwjhvbxi 712 124 13ms 10 Feb 2024 929th leon-w 712 124 10ms 24 Jul 2024 929th jbjd 712 124 20ms 12 Sep 2024 929th smilesformiles3 712 124 11ms 14 Jun 2025 934th prestosilver 🇺🇸 712 129 395ms 22 days ago 935th janbehrens 🇩🇪 711 130 2ms 23 Jun 2023 935th dokutan 711 130 1ms 8 Nov 2025 937th albanian-laundromat 🇺🇸 709 191 27ms 12 Mar 2026 938th MeWhenI 🇻🇦 707 123 2ms 2 Oct 2024 939th BenBanerjeeRichards 707 125 10ms 22 Apr 2022 939th richard-oelze 🇩🇪 707 125 10ms 8 May 2022 939th vishwathg 707 125 18ms 16 Sep 2022 939th Thonoton 707 125 19ms 24 Feb 2023 939th sandorstormen 707 125 17ms 11 Mar 2023 939th MiranDaniel 🇨🇿 707 125 18ms 28 Apr 2023 939th VictorStenvers 🇳🇱 707 125 18ms 26 Jun 2024 939th Terobero 707 125 19ms 3 Sep 2024 939th LostSyntax21 🇬🇧 707 125 20ms 9 Sep 2024 939th jamesthekee 707 125 10ms 22 Jan 2025 949th jstanley0 706 77 35ms 5 Feb 2022 949th olivermrose 🇺🇸 706 77 39ms 5 Dec 2022 951st GolfingSuccess 🇬🇷 706 156 39ms 20 days ago 952nd olleicua 🇺🇸 705 44 41ms 11 Mar 2024 953rd jipsong 🇩🇪 705 116 76ms 25 Oct 2023 954th snoozingnewt 🇨🇦 704 148 116ms 20 Nov 2025 955th Natanaelel 🇸🇪 703 62 32ms 21 Jun 2022 956th fitzdotlol 🇺🇸 703 101 11ms 7 Mar 2022 956th mrxz 🇳🇱 703 101 11ms 23 Jun 2024 958th HumanoidCPU 703 158 64ms 3 Mar 2025 959th dokutan 702 84 934ms 14 Mar 2023 959th alemelis 702 84 881ms 21 Aug 2024 First Prev 881–960 of 1,647 Next Last
