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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 877th stertooy 🇧🇪 724 122 10ms 11 Jun 2024 877th croc54 724 122 11ms 8 Jan 2025 877th Matter1024 🇮🇳 724 122 10ms 15 Nov 2025 884th janbehrens 🇩🇪 724 133 461ms 24 Nov 2022 885th jared-hughes 722 128 2ms 17 Mar 2022 885th matricronia 722 128 2ms 2 Feb 2026 887th MeWhenI 🇻🇦 722 174 41ms 13 Feb 2025 888th GolfingSuccess 🇬🇷 721 43 42ms 22 Jul 2022 888th DialFrost 🇸🇬 721 43 2ms 3 Feb 2024 890th GolfingSuccess 🇬🇷 721 80 5ms 17 Aug 2024 891st msbranicky 721 168 156ms 1 Oct 2023 892nd Frowny 720 156 146ms 11 Jan 2022 893rd KasperKivimaeki 🇫🇮 719 149 459ms 12 Dec 2025 893rd ravnskjaer 🇩🇰 719 149 432ms 15 Dec 2025 895th gitbedd 🇬🇧 718 123 9ms 10 Jan 2022 895th andre-lameirinhas 🇵🇹 718 123 9ms 8 Aug 2022 895th MaxElf999 718 123 9ms 13 Sep 2022 895th Mikey-Beep 🇬🇧 718 123 10ms 24 Aug 2023 895th bac0id 718 123 16ms 22 Sep 2023 895th HumanoidCPU 718 123 9ms 2 Mar 2025 895th Masttest 718 123 10ms 26 Nov 2025 895th yujqiao 718 123 10ms 16 Dec 2025 895th matricronia 718 123 15ms 2 Feb 2026 904th GeorgeStechman 🇬🇧 717 99 10ms 19 May 2022 904th vphoebe 717 99 10ms 25 May 2022 904th elisherer 🇮🇱 717 99 10ms 5 Jun 2022 907th revlayle 🇺🇸 717 108 529ms 20 Jan 2022 907th primo-ppcg 🇹🇭 717 108 558ms 20 Apr 2022 909th HallMatthew314 716 157 121ms 24 Jan 2022 910th AlephSquirrel 715 136 3ms 14 May 2025 911th nullshallot 714 78 323ms 5 Jan 2025 912th duckyluuk 🇳🇱 714 108 11ms 13 Dec 2024 913th emgordon154 712 106 427ms 20 Feb 2025 914th Ailko 🇧🇪 712 124 9ms 6 May 2022 914th qwjhvbxi 712 124 10ms 10 Feb 2024 914th leon-w 712 124 10ms 24 Jul 2024 914th jbjd 712 124 18ms 12 Sep 2024 914th smilesformiles3 712 124 10ms 14 Jun 2025 919th albanian-laundromat 712 265 1,469ms 18 Oct 2025 920th janbehrens 🇩🇪 710 130 2ms 23 Jun 2023 920th dokutan 710 130 1ms 8 Nov 2025 922nd albanian-laundromat 707 191 27ms 2 days ago 923rd jstanley0 706 77 36ms 5 Feb 2022 923rd olivermrose 🇺🇸 706 77 36ms 5 Dec 2022 925th MeWhenI 🇻🇦 706 123 2ms 2 Oct 2024 926th BenBanerjeeRichards 706 125 9ms 22 Apr 2022 926th richard-oelze 🇩🇪 706 125 11ms 8 May 2022 926th vishwathg 706 125 16ms 16 Sep 2022 926th Thonoton 706 125 16ms 24 Feb 2023 926th sandorstormen 706 125 16ms 11 Mar 2023 926th MiranDaniel 🇨🇿 706 125 16ms 28 Apr 2023 926th VictorStenvers 🇳🇱 706 125 16ms 26 Jun 2024 926th Terobero 706 125 16ms 3 Sep 2024 926th LostSyntax21 🇬🇧 706 125 16ms 9 Sep 2024 926th jamesthekee 706 125 10ms 22 Jan 2025 936th olleicua 🇺🇸 705 44 42ms 11 Mar 2024 937th jipsong 🇩🇪 705 116 76ms 25 Oct 2023 938th Natanaelel 🇸🇪 703 62 32ms 21 Jun 2022 939th fitzdotlol 🇺🇸 703 101 10ms 7 Mar 2022 939th mrxz 🇳🇱 703 101 11ms 23 Jun 2024 941st HumanoidCPU 702 158 67ms 3 Mar 2025 942nd inverseLorentz 🇦🇺 702 160 145ms 14 May 2024 943rd dokutan 701 84 874ms 14 Mar 2023 943rd alemelis 701 84 845ms 21 Aug 2024 945th TetraPengwin 701 124 2ms 14 Mar 2025 946th TobyBoyne 🇬🇧 701 126 9ms 28 Jan 2022 946th OllieBoyne 🇬🇧 701 126 10ms 2 Mar 2022 946th Anonymousellama21 701 126 9ms 14 Apr 2022 946th Trunksistor 🇫🇷 701 126 11ms 19 Apr 2022 946th docd 701 126 16ms 8 Aug 2022 946th LogicalJoe 701 126 16ms 4 May 2023 946th pde-bakk 🇳🇱 701 126 10ms 23 Oct 2023 946th mstang107 701 126 10ms 20 Dec 2023 946th DGipe 701 126 10ms 13 May 2024 946th retrohun 701 126 10ms 18 Oct 2024 946th yokasuretsu 701 126 10ms 23 Jan 2025 946th bknower 701 126 9ms 26 Jun 2025 958th snoozingnewt 🇨🇦 701 148 117ms 20 Nov 2025 959th msbranicky 700 190 289ms 3 Oct 2023 960th TheZwierzLF 🇵🇱 699 108 476ms 23 Nov 2025 First Prev 881–960 of 1,609 Next Last