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 897th smilesformiles3 712 124 10ms 14 Jun 2025 902nd albanian-laundromat 712 265 440ms 18 Oct 2025 903rd jgbaldwinbrown 708 133 2ms 13 Oct 2022 903rd klixel 🇨🇦 708 133 2ms 27 Nov 2023 905th TheZwierzLF 🇵🇱 707 108 502ms 22 days ago 906th MeWhenI 🇻🇦 706 123 1ms 2 Oct 2024 907th BenBanerjeeRichards 706 125 10ms 22 Apr 2022 907th richard-oelze 🇩🇪 706 125 9ms 8 May 2022 907th vishwathg 706 125 15ms 16 Sep 2022 907th Thonoton 706 125 16ms 24 Feb 2023 907th sandorstormen 706 125 16ms 11 Mar 2023 907th MiranDaniel 🇨🇿 706 125 16ms 28 Apr 2023 907th VictorStenvers 🇳🇱 706 125 17ms 26 Jun 2024 907th Terobero 706 125 16ms 3 Sep 2024 907th LostSyntax21 🇬🇧 706 125 16ms 9 Sep 2024 907th jamesthekee 706 125 10ms 22 Jan 2025 917th olleicua 🇺🇸 705 44 39ms 11 Mar 2024 918th jstanley0 705 77 32ms 5 Feb 2022 918th olivermrose 🇺🇸 705 77 34ms 5 Dec 2022 920th jipsong 🇩🇪 705 116 72ms 25 Oct 2023 921st fitzdotlol 🇺🇸 703 101 9ms 7 Mar 2022 921st mrxz 🇳🇱 703 101 10ms 23 Jun 2024 923rd snoozingnewt 🇨🇦 703 148 121ms 26 days ago 924th Natanaelel 🇸🇪 702 62 32ms 21 Jun 2022 925th dokutan 701 84 795ms 14 Mar 2023 925th alemelis 701 84 789ms 21 Aug 2024 927th TetraPengwin 701 124 2ms 14 Mar 2025 928th TobyBoyne 🇬🇧 701 126 11ms 28 Jan 2022 928th OllieBoyne 🇬🇧 701 126 10ms 2 Mar 2022 928th Anonymousellama21 701 126 10ms 14 Apr 2022 928th Trunksistor 🇫🇷 701 126 11ms 19 Apr 2022 928th docd 701 126 16ms 8 Aug 2022 928th LogicalJoe 701 126 16ms 4 May 2023 928th pde-bakk 🇳🇱 701 126 10ms 23 Oct 2023 928th mstang107 701 126 10ms 20 Dec 2023 928th DGipe 701 126 9ms 13 May 2024 928th retrohun 701 126 9ms 18 Oct 2024 928th yokasuretsu 701 126 9ms 23 Jan 2025 928th bknower 701 126 10ms 26 Jun 2025 940th inverseLorentz 🇦🇺 701 160 145ms 14 May 2024 941st albanian-laundromat 701 192 24ms 9 days ago 942nd albanian-laundromat 700 186 43ms 17 Nov 2025 943rd msbranicky 700 190 262ms 3 Oct 2023 944th retrohun 697 75 2ms 9 Nov 2022 945th HumanoidCPU 697 158 61ms 3 Mar 2025 946th DialFrost 🇸🇬 696 84 5ms 14 Aug 2024 947th ShiraJoseph 🇺🇸 696 102 10ms 28 Jan 2023 947th itserasmus 696 102 9ms 17 Jan 2024 947th eranws 696 102 9ms 23 Dec 2024 950th snoozingnewt 🇨🇦 696 119 100ms 11 days ago 951st MeWhenI 🇻🇦 695 67 3ms 15 Apr 2023 952nd jacklynnepenick 695 127 9ms 15 Feb 2022 952nd Pena86 695 127 16ms 14 Sep 2022 952nd pascscha 695 127 9ms 18 Sep 2022 952nd DrPiranoid 695 127 10ms 8 Oct 2022 952nd QuincyNash 🇺🇸 695 127 9ms 13 Nov 2022 952nd epic-programmer-guy 695 127 10ms 21 Dec 2023 952nd AdamMorris377 695 127 9ms 29 Jul 2024 952nd 40fied4t 695 127 10ms 15 May 2025 952nd Luke44565 695 127 9ms 10 Aug 2025 952nd jacekwladzinski 695 127 9ms 5 Oct 2025 962nd klixel 🇨🇦 695 174 148ms 7 Jun 2023 963rd emgordon154 694 213 1,661ms 17 Sep 2025 964th janbehrens 🇩🇪 693 85 303ms 23 Jun 2023 965th MeWhenI 🇻🇦 692 110 2,827ms 24 Oct 2024 966th HumanoidCPU 692 136 1ms 4 Mar 2025 967th janbehrens 🇩🇪 691 155 382ms 23 Jun 2023 968th Yewzir 🇧🇪 690 112 337ms 1 Dec 2023 968th michelebastione 🇮🇹 690 112 398ms 20 Sep 2025 970th gchenfc 690 128 9ms 24 Jan 2022 970th pyrolitic 🇮🇪 690 128 11ms 5 Apr 2022 970th hellwue 690 128 11ms 8 Feb 2023 970th Wildst 690 128 11ms 4 Aug 2023 970th sleepyStick 690 128 9ms 7 Dec 2023 970th damoose717 690 128 10ms 23 May 2025 First Prev 901–975 of 1,564 Next Last
