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 672nd jtaxen 774 114 10ms 8 Jun 2024 672nd CutSandstone 774 114 9ms 8 Jul 2024 678th strout 774 145 148ms 15 Aug 2022 679th juliansiebert 🇩🇪 773 72 274ms 24 Jul 2022 680th maxpelic 🇺🇸 772 92 9ms 5 Jul 2022 680th astdefu 772 92 9ms 10 Dec 2022 680th two-bad 🇬🇧 772 92 9ms 25 Feb 2024 680th KatieLG 🇬🇧 772 92 9ms 8 Jul 2024 684th Steffan153 🇫🇮 772 106 79ms 21 Jun 2024 685th c0d3-4-F00d 🇩🇪 772 122 2ms 21 Feb 2022 686th emplv 🇱🇻 771 101 100ms 6 Dec 2022 687th Yewzir 🇧🇪 770 115 139ms 26 Dec 2023 688th Shanethegamer 🇺🇸 770 157 149ms 8 Oct 2022 689th primo-ppcg 🇹🇭 768 67 15ms 24 Jan 2022 690th Shanethegamer 🇺🇸 768 99 90ms 12 Dec 2022 691st jmerle 🇳🇱 768 115 9ms 22 Jan 2022 691st PiterAnnema 768 115 16ms 23 Mar 2022 691st AGoyet 768 115 9ms 29 Jun 2022 691st Eilonlif 🇮🇱 768 115 10ms 11 Sep 2022 691st IsmaelGSerrano 768 115 10ms 2 Nov 2022 691st bobbysq 768 115 9ms 22 Jan 2023 691st msbranicky 768 115 9ms 25 Jul 2023 691st ArenaGrenade 768 115 10ms 19 Feb 2024 691st NickTheEASDude 🇺🇸 768 115 10ms 15 May 2024 691st dokutan 768 115 10ms 13 Aug 2024 691st maxgodfrey2004 🇨🇦 768 115 10ms 8 Jan 2025 691st Pyroan 768 115 9ms 21 Feb 2025 691st chartung17 768 115 10ms 24 Mar 2025 704th CatsAreFluffy 766 57 50ms 9 Jan 2023 704th xsot 🇸🇬 766 57 52ms 2 Feb 2024 706th iczelia 🇩🇪 766 123 1ms 24 Sep 2025 707th DialFrost 🇸🇬 765 71 32ms 26 Dec 2024 708th MeWhenI 🇻🇦 765 81 699ms 15 Sep 2025 709th edsrzf 🇳🇿 765 107 73ms 28 Jun 2025 710th GrayJoKing 🇦🇺 765 126 421ms 1 Mar 2022 711th Andrey-Plotnikov 764 93 9ms 21 Jun 2025 711th Protothor 764 93 9ms 9 Jul 2025 713th DialFrost 🇸🇬 764 133 6ms 11 Dec 2024 714th jerrandolph 764 174 251ms 20 Oct 2023 715th stefangimmillaro 763 102 99ms 19 Oct 2022 716th annaproxy 763 134 13ms 24 Dec 2022 717th kejcao 🇨🇦 763 147 193ms 3 Aug 2024 718th Shanethegamer 🇺🇸 762 73 264ms 14 Jun 2024 719th DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 720th MeWhenI 🇻🇦 762 194 1,694ms 7 Nov 2025 721st martinnorling 🇸🇪 761 116 10ms 18 Feb 2022 721st Indivicivet 761 116 10ms 9 May 2022 721st Bonjour27891 🇻🇳 761 116 10ms 15 Jul 2022 721st tri1212 🇻🇳 761 116 9ms 16 Jul 2022 721st MichalMarsalek 🇨🇿 761 116 10ms 30 Nov 2022 721st yzhs 🇩🇪 761 116 11ms 25 Jun 2023 721st Attero 🇸🇪 761 116 9ms 2 Jan 2024 721st RobertHoeh 761 116 10ms 9 Apr 2024 721st Mabeloid 🇳🇴 761 116 9ms 7 Oct 2024 721st rollershutter 761 116 9ms 24 Feb 2025 731st MeWhenI 🇻🇦 761 138 7ms 9 May 2024 732nd MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 733rd djeedjay 🇳🇱 759 124 2ms 16 Sep 2022 734th Shanethegamer 🇺🇸 758 108 77ms 13 Nov 2023 735th nwellnhof 🇩🇪 757 88 31ms 12 Jul 2022 736th stackofbears 756 41 2ms 20 Feb 2022 736th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 736th edsrzf 🇳🇿 756 41 35ms 3 Nov 2025 736th AlephSquirrel 756 41 3ms 8 Nov 2025 740th m42km 756 101 396ms 4 Feb 2024 741st Ripick 756 121 329ms 11 Jul 2024 742nd emgordon154 756 139 8ms 20 Feb 2025 743rd edsrzf 🇳🇿 755 78 389ms 11 Oct 2025 744th CedricGebistorf 755 117 10ms 19 Feb 2022 744th sjrct 755 117 10ms 5 Aug 2024 744th FranklinJiaChen 755 117 10ms 10 Aug 2024 744th Artemis21 🇬🇧 755 117 9ms 21 Dec 2024 748th tatzyr 🇯🇵 754 72 37ms 28 Dec 2024 749th albanian-laundromat 754 133 42ms 7 Sep 2025 750th MeWhenI 🇻🇦 754 146 55ms 13 Nov 2022 First Prev 676–750 of 1,566 Next Last
