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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 824th emgordon154 734 74 33ms 25 Jun 2024 827th commandblockguy 🇺🇸 734 104 926ms 1 Sep 2025 828th yzhs 🇩🇪 734 153 146ms 25 Jun 2023 829th SirBogman 🇺🇸 734 320 15ms 21 May 2022 830th dokutan 732 97 9ms 5 Jun 2025 830th iczelia 🇩🇪 732 97 9ms 26 Sep 2025 830th johnkiernander 732 97 9ms 25 hours ago 833rd Yewzir 🇧🇪 732 137 38ms 28 Nov 2023 834th GolfingSuccess 🇬🇷 731 80 5ms 17 Aug 2024 835th Natanaelel 🇸🇪 730 121 9ms 12 Jan 2022 835th NerdyMcNerd42 730 121 9ms 20 Aug 2022 835th Kloppermand 🇩🇰 730 121 10ms 3 Oct 2022 835th ehulinsky 🇺🇸 730 121 16ms 15 May 2023 835th AbhilashaTandon 730 121 10ms 21 Sep 2023 835th davecame 730 121 9ms 2 Oct 2023 835th gussy420 730 121 9ms 23 Oct 2023 835th tobyLovick 730 121 9ms 13 Dec 2023 843rd ericlangedijk 🇸🇮 729 106 352ms 19 Mar 2022 844th retrohun 729 151 57ms 30 Dec 2022 844th annaproxy 729 151 59ms 5 Jan 2023 846th mlugg 728 203 1,617ms 10 Aug 2024 847th MeWhenI 🇻🇦 726 72 2ms 13 Nov 2022 848th Shanethegamer 🇺🇸 726 138 38ms 6 Sep 2022 849th krcs 🇵🇱 725 98 9ms 2 May 2022 849th stefangimmillaro 725 98 8ms 12 Sep 2024 851st jared-hughes 724 75 32ms 9 Sep 2022 852nd jm600 724 122 9ms 19 Apr 2022 852nd krcs 🇵🇱 724 122 10ms 29 Apr 2022 852nd bbakersmith 724 122 10ms 6 Jun 2022 852nd nstearns96 🇬🇧 724 122 10ms 29 Nov 2022 852nd stertooy 🇧🇪 724 122 10ms 11 Jun 2024 852nd croc54 724 122 11ms 8 Jan 2025 852nd Matter1024 🇮🇳 724 122 9ms 15 Nov 2025 859th janbehrens 🇩🇪 724 130 5ms 23 Jun 2023 859th dokutan 724 130 1ms 8 Nov 2025 861st janbehrens 🇩🇪 724 133 495ms 24 Nov 2022 862nd jared-hughes 724 152 372ms 24 Jun 2022 862nd Betuaredead 724 152 384ms 7 Jan 2023 864th Shanethegamer 🇺🇸 723 180 40ms 23 Apr 2022 865th MeWhenI 🇻🇦 722 174 41ms 13 Feb 2025 866th GolfingSuccess 🇬🇷 721 43 40ms 22 Jul 2022 866th DialFrost 🇸🇬 721 43 2ms 3 Feb 2024 868th emgordon154 721 106 465ms 20 Feb 2025 869th MeWhenI 🇻🇦 721 139 40ms 17 Feb 2023 870th msbranicky 720 168 147ms 1 Oct 2023 871st KasperKivimaeki 🇫🇮 719 149 343ms 3 days ago 871st ravnskjaer 🇩🇰 719 149 341ms 6 hours ago 873rd dokutan 719 153 64ms 8 Nov 2025 874th Frowny 719 156 146ms 11 Jan 2022 875th gitbedd 🇬🇧 718 123 10ms 10 Jan 2022 875th andre-lameirinhas 🇵🇹 718 123 9ms 8 Aug 2022 875th MaxElf999 718 123 10ms 13 Sep 2022 875th Mikey-Beep 🇬🇧 718 123 10ms 24 Aug 2023 875th bac0id 718 123 17ms 22 Sep 2023 875th HumanoidCPU 718 123 10ms 2 Mar 2025 875th Masttest 718 123 12ms 19 days ago 882nd GeorgeStechman 🇬🇧 717 99 8ms 19 May 2022 882nd vphoebe 717 99 9ms 25 May 2022 882nd elisherer 🇮🇱 717 99 9ms 5 Jun 2022 885th revlayle 🇺🇸 716 108 364ms 20 Jan 2022 885th primo-ppcg 🇹🇭 716 108 334ms 20 Apr 2022 887th AlephSquirrel 715 136 3ms 14 May 2025 888th HallMatthew314 715 157 121ms 24 Jan 2022 889th nullshallot 714 78 304ms 5 Jan 2025 890th duckyluuk 🇳🇱 714 108 10ms 13 Dec 2024 891st Yewzir 🇧🇪 713 87 715ms 15 Nov 2025 892nd pandapawskat 713 132 2ms 7 Feb 2022 893rd dokutan 712 105 134ms 6 Jun 2025 894th HumanoidCPU 712 107 3,002ms 3 Mar 2025 895th Blendi-Goose 712 122 2ms 19 Jun 2025 896th Ailko 🇧🇪 712 124 11ms 6 May 2022 896th qwjhvbxi 712 124 10ms 10 Feb 2024 896th leon-w 712 124 11ms 24 Jul 2024 896th jbjd 712 124 16ms 12 Sep 2024 896th smilesformiles3 712 124 10ms 14 Jun 2025 First Prev 826–900 of 1,563 Next Last
