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 876th croc54 724 122 11ms 8 Jan 2025 876th Matter1024 🇮🇳 724 122 10ms 15 Nov 2025 883rd janbehrens 🇩🇪 724 133 461ms 24 Nov 2022 884th jared-hughes 722 128 2ms 17 Mar 2022 884th matricronia 722 128 2ms 2 Feb 2026 886th MeWhenI 🇻🇦 722 174 41ms 13 Feb 2025 887th GolfingSuccess 🇬🇷 721 43 42ms 22 Jul 2022 887th DialFrost 🇸🇬 721 43 2ms 3 Feb 2024 889th GolfingSuccess 🇬🇷 721 80 5ms 17 Aug 2024 890th msbranicky 721 168 156ms 1 Oct 2023 891st Frowny 720 156 146ms 11 Jan 2022 892nd KasperKivimaeki 🇫🇮 719 149 459ms 12 Dec 2025 892nd ravnskjaer 🇩🇰 719 149 432ms 15 Dec 2025 894th gitbedd 🇬🇧 718 123 9ms 10 Jan 2022 894th andre-lameirinhas 🇵🇹 718 123 9ms 8 Aug 2022 894th MaxElf999 718 123 9ms 13 Sep 2022 894th Mikey-Beep 🇬🇧 718 123 10ms 24 Aug 2023 894th bac0id 718 123 16ms 22 Sep 2023 894th HumanoidCPU 718 123 9ms 2 Mar 2025 894th Masttest 718 123 10ms 26 Nov 2025 894th yujqiao 718 123 10ms 16 Dec 2025 894th matricronia 718 123 15ms 2 Feb 2026 903rd GeorgeStechman 🇬🇧 717 99 11ms 19 May 2022 903rd vphoebe 717 99 12ms 25 May 2022 903rd elisherer 🇮🇱 717 99 10ms 5 Jun 2022 906th revlayle 🇺🇸 717 108 414ms 20 Jan 2022 906th primo-ppcg 🇹🇭 717 108 407ms 20 Apr 2022 908th HallMatthew314 716 157 121ms 24 Jan 2022 909th AlephSquirrel 715 136 3ms 14 May 2025 910th nullshallot 714 78 236ms 5 Jan 2025 911th duckyluuk 🇳🇱 714 108 11ms 13 Dec 2024 912th emgordon154 712 106 427ms 20 Feb 2025 913th Ailko 🇧🇪 712 124 9ms 6 May 2022 913th qwjhvbxi 712 124 10ms 10 Feb 2024 913th leon-w 712 124 10ms 24 Jul 2024 913th jbjd 712 124 18ms 12 Sep 2024 913th smilesformiles3 712 124 10ms 14 Jun 2025 918th albanian-laundromat 712 265 1,469ms 18 Oct 2025 919th janbehrens 🇩🇪 710 130 2ms 23 Jun 2023 919th dokutan 710 130 1ms 8 Nov 2025 921st albanian-laundromat 707 191 27ms 110 mins ago 922nd jstanley0 706 77 36ms 5 Feb 2022 922nd olivermrose 🇺🇸 706 77 36ms 5 Dec 2022 924th MeWhenI 🇻🇦 706 123 2ms 2 Oct 2024 925th BenBanerjeeRichards 706 125 9ms 22 Apr 2022 925th richard-oelze 🇩🇪 706 125 11ms 8 May 2022 925th vishwathg 706 125 16ms 16 Sep 2022 925th Thonoton 706 125 16ms 24 Feb 2023 925th sandorstormen 706 125 16ms 11 Mar 2023 925th MiranDaniel 🇨🇿 706 125 16ms 28 Apr 2023 925th VictorStenvers 🇳🇱 706 125 16ms 26 Jun 2024 925th Terobero 706 125 16ms 3 Sep 2024 925th LostSyntax21 🇬🇧 706 125 16ms 9 Sep 2024 925th jamesthekee 706 125 10ms 22 Jan 2025 935th olleicua 🇺🇸 705 44 42ms 11 Mar 2024 936th jipsong 🇩🇪 705 116 76ms 25 Oct 2023 937th Natanaelel 🇸🇪 703 62 32ms 21 Jun 2022 938th fitzdotlol 🇺🇸 703 101 11ms 7 Mar 2022 938th mrxz 🇳🇱 703 101 11ms 23 Jun 2024 940th HumanoidCPU 702 158 67ms 3 Mar 2025 941st inverseLorentz 🇦🇺 702 160 145ms 14 May 2024 942nd dokutan 701 84 874ms 14 Mar 2023 942nd alemelis 701 84 845ms 21 Aug 2024 944th TetraPengwin 701 124 2ms 14 Mar 2025 945th TobyBoyne 🇬🇧 701 126 9ms 28 Jan 2022 945th OllieBoyne 🇬🇧 701 126 10ms 2 Mar 2022 945th Anonymousellama21 701 126 9ms 14 Apr 2022 945th Trunksistor 🇫🇷 701 126 11ms 19 Apr 2022 945th docd 701 126 16ms 8 Aug 2022 945th LogicalJoe 701 126 16ms 4 May 2023 945th pde-bakk 🇳🇱 701 126 10ms 23 Oct 2023 945th mstang107 701 126 10ms 20 Dec 2023 945th DGipe 701 126 10ms 13 May 2024 945th retrohun 701 126 10ms 18 Oct 2024 945th yokasuretsu 701 126 10ms 23 Jan 2025 945th bknower 701 126 9ms 26 Jun 2025 957th snoozingnewt 🇨🇦 701 148 117ms 20 Nov 2025 958th msbranicky 700 190 289ms 3 Oct 2023 959th TheZwierzLF 🇵🇱 699 108 476ms 23 Nov 2025 960th DialFrost 🇸🇬 698 144 40ms 30 Dec 2025 First Prev 881–960 of 1,606 Next Last