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 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 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 671st CutSandstone 774 114 9ms 8 Jul 2024 677th strout 774 145 162ms 15 Aug 2022 678th juliansiebert 🇩🇪 773 72 236ms 24 Jul 2022 679th maxpelic 🇺🇸 772 92 9ms 5 Jul 2022 679th astdefu 772 92 9ms 10 Dec 2022 679th two-bad 🇬🇧 772 92 10ms 25 Feb 2024 679th KatieLG 🇬🇧 772 92 10ms 8 Jul 2024 683rd Steffan153 🇫🇮 772 106 81ms 21 Jun 2024 684th c0d3-4-F00d 🇩🇪 772 122 2ms 21 Feb 2022 685th emplv 🇱🇻 771 101 101ms 6 Dec 2022 686th Yewzir 🇧🇪 770 115 139ms 26 Dec 2023 687th Shanethegamer 🇺🇸 770 157 148ms 8 Oct 2022 688th primo-ppcg 🇹🇭 768 67 15ms 24 Jan 2022 689th Shanethegamer 🇺🇸 768 99 76ms 12 Dec 2022 690th jmerle 🇳🇱 768 115 9ms 22 Jan 2022 690th PiterAnnema 768 115 16ms 23 Mar 2022 690th AGoyet 768 115 10ms 29 Jun 2022 690th Eilonlif 🇮🇱 768 115 10ms 11 Sep 2022 690th IsmaelGSerrano 768 115 10ms 2 Nov 2022 690th bobbysq 768 115 9ms 22 Jan 2023 690th msbranicky 768 115 9ms 25 Jul 2023 690th ArenaGrenade 768 115 9ms 19 Feb 2024 690th NickTheEASDude 🇺🇸 768 115 9ms 15 May 2024 690th dokutan 768 115 10ms 13 Aug 2024 690th maxgodfrey2004 🇨🇦 768 115 10ms 8 Jan 2025 690th Pyroan 768 115 10ms 21 Feb 2025 690th chartung17 768 115 10ms 24 Mar 2025 703rd CatsAreFluffy 765 57 51ms 9 Jan 2023 703rd xsot 🇸🇬 765 57 47ms 2 Feb 2024 705th DialFrost 🇸🇬 765 71 35ms 26 Dec 2024 706th MeWhenI 🇻🇦 765 81 698ms 15 Sep 2025 707th edsrzf 🇳🇿 765 107 73ms 28 Jun 2025 708th iczelia 🇩🇪 765 123 2ms 24 Sep 2025 709th GrayJoKing 🇦🇺 765 126 421ms 1 Mar 2022 710th Andrey-Plotnikov 764 93 9ms 21 Jun 2025 710th Protothor 764 93 9ms 9 Jul 2025 712th DialFrost 🇸🇬 764 133 7ms 11 Dec 2024 713th jerrandolph 764 174 263ms 20 Oct 2023 714th stefangimmillaro 763 102 101ms 19 Oct 2022 715th annaproxy 763 134 14ms 24 Dec 2022 716th kejcao 🇨🇦 763 147 184ms 3 Aug 2024 717th Shanethegamer 🇺🇸 762 73 259ms 14 Jun 2024 718th DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 719th MeWhenI 🇻🇦 762 194 1,555ms 7 Nov 2025 720th martinnorling 🇸🇪 761 116 10ms 18 Feb 2022 720th Indivicivet 761 116 10ms 9 May 2022 720th Bonjour27891 🇻🇳 761 116 9ms 15 Jul 2022 720th tri1212 🇻🇳 761 116 9ms 16 Jul 2022 720th MichalMarsalek 🇨🇿 761 116 11ms 30 Nov 2022 720th yzhs 🇩🇪 761 116 9ms 25 Jun 2023 720th Attero 🇸🇪 761 116 10ms 2 Jan 2024 720th RobertHoeh 761 116 9ms 9 Apr 2024 720th Mabeloid 🇳🇴 761 116 10ms 7 Oct 2024 720th rollershutter 761 116 9ms 24 Feb 2025 730th MeWhenI 🇻🇦 761 138 7ms 9 May 2024 731st MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 732nd djeedjay 🇳🇱 759 124 2ms 16 Sep 2022 733rd Shanethegamer 🇺🇸 758 108 77ms 13 Nov 2023 734th nwellnhof 🇩🇪 757 88 31ms 12 Jul 2022 735th stackofbears 756 41 3ms 20 Feb 2022 735th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 735th edsrzf 🇳🇿 756 41 34ms 3 Nov 2025 735th AlephSquirrel 756 41 2ms 8 Nov 2025 739th m42km 756 101 405ms 4 Feb 2024 740th Ripick 756 121 350ms 11 Jul 2024 741st emgordon154 756 139 7ms 20 Feb 2025 742nd edsrzf 🇳🇿 755 78 389ms 11 Oct 2025 743rd CedricGebistorf 755 117 10ms 19 Feb 2022 743rd sjrct 755 117 9ms 5 Aug 2024 743rd FranklinJiaChen 755 117 9ms 10 Aug 2024 743rd Artemis21 🇬🇧 755 117 10ms 21 Dec 2024 747th tatzyr 🇯🇵 754 72 32ms 28 Dec 2024 748th MeWhenI 🇻🇦 754 146 60ms 13 Nov 2022 748th janbehrens 🇩🇪 754 146 59ms 23 Jun 2023 750th jupj 🇫🇮 753 125 2ms 31 Aug 2022 First Prev 676–750 of 1,557 Next Last
