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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 721st retrohun 764 121 2ms 30 Dec 2022 721st abc7-12 764 121 1ms 26 Jun 2024 723rd MeWhenI 🇻🇦 764 138 7ms 9 May 2024 724th kejcao 🇨🇦 764 147 193ms 3 Aug 2024 725th jerrandolph 764 174 282ms 20 Oct 2023 726th Shanethegamer 🇺🇸 763 73 273ms 14 Jun 2024 727th stefangimmillaro 763 102 139ms 19 Oct 2022 728th annaproxy 763 134 13ms 24 Dec 2022 729th DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 730th MeWhenI 🇻🇦 762 194 1,694ms 7 Nov 2025 731st martinnorling 🇸🇪 761 116 10ms 18 Feb 2022 731st Indivicivet 761 116 9ms 9 May 2022 731st Bonjour27891 🇻🇳 761 116 9ms 15 Jul 2022 731st tri1212 🇻🇳 761 116 10ms 16 Jul 2022 731st MichalMarsalek 🇨🇿 761 116 9ms 30 Nov 2022 731st yzhs 🇩🇪 761 116 10ms 25 Jun 2023 731st Attero 🇸🇪 761 116 10ms 2 Jan 2024 731st RobertHoeh 761 116 12ms 9 Apr 2024 731st Mabeloid 🇳🇴 761 116 11ms 7 Oct 2024 731st rollershutter 761 116 11ms 24 Feb 2025 731st denkyuu1 761 116 10ms 13 days ago 742nd edsrzf 🇳🇿 761 132 43ms 31 Dec 2025 743rd MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 744th Shanethegamer 🇺🇸 758 108 83ms 13 Nov 2023 745th Ripick 758 121 329ms 11 Jul 2024 746th emgordon154 758 139 7ms 20 Feb 2025 747th nwellnhof 🇩🇪 757 88 31ms 12 Jul 2022 748th c0d3-4-F00d 🇩🇪 757 122 2ms 21 Feb 2022 749th stackofbears 756 41 2ms 20 Feb 2022 749th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 749th edsrzf 🇳🇿 756 41 41ms 3 Nov 2025 749th AlephSquirrel 756 41 3ms 8 Nov 2025 753rd m42km 756 101 485ms 4 Feb 2024 754th albanian-laundromat 756 133 42ms 7 Sep 2025 755th tatzyr 🇯🇵 755 72 37ms 28 Dec 2024 756th edsrzf 🇳🇿 755 78 396ms 11 Oct 2025 757th CedricGebistorf 755 117 16ms 19 Feb 2022 757th sjrct 755 117 10ms 5 Aug 2024 757th FranklinJiaChen 755 117 10ms 10 Aug 2024 757th Artemis21 🇬🇧 755 117 11ms 21 Dec 2024 761st Steffan153 🇫🇮 754 135 6ms 12 Mar 2023 762nd MeWhenI 🇻🇦 754 146 63ms 13 Nov 2022 762nd janbehrens 🇩🇪 754 146 65ms 23 Jun 2023 764th edsrzf 🇳🇿 754 173 41ms 28 Jun 2025 765th emgordon154 753 128 605ms 3 Jun 2025 766th KrausRaus 🇺🇸 751 117 2ms 15 Oct 2023 767th iczelia 🇩🇪 751 123 1ms 24 Sep 2025 768th elgan65536 🇺🇸 751 161 149ms 9 Nov 2023 769th Shanethegamer 🇺🇸 751 251 1,434ms 25 Jan 2025 770th dokutan 749 102 498ms 13 Aug 2024 771st chlorobenzene12 749 116 2ms 26 Dec 2022 772nd tobeannouncd 749 150 144ms 20 Dec 2024 773rd dylanarmstrong 748 95 10ms 12 Jan 2024 773rd junkondo-jp 748 95 10ms 2 Jun 2024 775th Tess2662 748 118 10ms 8 Sep 2022 775th CheeseCake628 🇳🇴 748 118 9ms 20 Mar 2023 775th randolchance 748 118 11ms 20 Mar 2023 775th jeff-at-tamer-dot-codes 🇺🇸 748 118 11ms 19 May 2023 775th gabe-gallegos 748 118 10ms 19 May 2024 775th martion2007 748 118 10ms 14 Aug 2024 775th orifu 748 118 9ms 4 Nov 2024 775th TheZwierzLF 🇵🇱 748 118 10ms 27 May 2025 775th addmai 748 118 10ms 30 Jul 2025 775th tomh1012 748 118 10ms 25 days ago 785th ovs-code 🇩🇪 747 70 2ms 8 Nov 2022 786th MeWhenI 🇻🇦 747 129 481ms 4 Aug 2023 787th 4hg 🇺🇸 746 79 1,316ms 8 Dec 2022 787th anter69 🇭🇺 746 79 1,340ms 19 Feb 2023 787th emgordon154 746 79 1,321ms 25 Nov 2024 787th Shanethegamer 🇺🇸 746 79 1,255ms 9 Apr 2025 791st Shanethegamer 🇺🇸 746 111 104ms 4 Dec 2025 792nd MeWhenI 🇻🇦 745 123 333ms 30 Jan 2023 793rd djeedjay 🇳🇱 745 124 2ms 16 Sep 2022 794th lacrosse 744 73 37ms 28 Nov 2025 794th denkyuu1 744 73 35ms 45 hours ago 796th primo-ppcg 🇹🇭 744 144 419ms 4 Apr 2022 796th Lydxn 🇨🇦 744 144 452ms 5 Apr 2022 796th rotary-o 🇯🇵 744 144 468ms 5 May 2023 796th Jacob385 744 144 579ms 28 Oct 2025 800th bac0id 744 148 66ms 3 Jul 2024 First Prev 721–800 of 1,599 Next Last