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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 718th Eilonlif 🇮🇱 768 115 12ms 11 Sep 2022 718th IsmaelGSerrano 768 115 12ms 2 Nov 2022 718th bobbysq 768 115 11ms 22 Jan 2023 718th msbranicky 768 115 10ms 25 Jul 2023 718th ArenaGrenade 768 115 11ms 19 Feb 2024 718th NickTheEASDude 🇺🇸 768 115 10ms 15 May 2024 718th dokutan 768 115 10ms 13 Aug 2024 718th maxgodfrey2004 🇨🇦 768 115 10ms 8 Jan 2025 718th Pyroan 768 115 11ms 21 Feb 2025 718th chartung17 768 115 10ms 24 Mar 2025 731st DialFrost 🇸🇬 766 71 36ms 26 Dec 2024 732nd CatsAreFluffy 765 57 57ms 9 Jan 2023 732nd xsot 🇸🇬 765 57 54ms 2 Feb 2024 734th edsrzf 🇳🇿 765 93 2,524ms 1 Sep 2025 735th edsrzf 🇳🇿 765 107 80ms 28 Jun 2025 736th GrayJoKing 🇦🇺 765 126 458ms 1 Mar 2022 737th DialFrost 🇸🇬 765 133 7ms 11 Dec 2024 738th jerrandolph 765 174 327ms 20 Oct 2023 739th MeWhenI 🇻🇦 765 194 1,694ms 7 Nov 2025 740th Andrey-Plotnikov 764 93 13ms 21 Jun 2025 740th Protothor 764 93 11ms 9 Jul 2025 742nd kejcao 🇨🇦 764 147 152ms 3 Aug 2024 743rd retrohun 763 121 1ms 30 Dec 2022 743rd abc7-12 763 121 1ms 26 Jun 2024 745th annaproxy 763 134 15ms 24 Dec 2022 746th Shanethegamer 🇺🇸 762 73 239ms 14 Jun 2024 747th DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 748th martinnorling 🇸🇪 761 116 11ms 18 Feb 2022 748th Indivicivet 761 116 12ms 9 May 2022 748th Bonjour27891 🇻🇳 761 116 11ms 15 Jul 2022 748th tri1212 🇻🇳 761 116 10ms 16 Jul 2022 748th MichalMarsalek 🇨🇿 761 116 11ms 30 Nov 2022 748th yzhs 🇩🇪 761 116 10ms 25 Jun 2023 748th Attero 🇸🇪 761 116 10ms 2 Jan 2024 748th RobertHoeh 761 116 11ms 9 Apr 2024 748th Mabeloid 🇳🇴 761 116 10ms 7 Oct 2024 748th rollershutter 761 116 10ms 24 Feb 2025 748th JOrE20 761 116 11ms 23 Feb 2026 759th edsrzf 🇳🇿 761 132 43ms 31 Dec 2025 760th MeWhenI 🇻🇦 761 146 88ms 13 Nov 2022 760th janbehrens 🇩🇪 761 146 89ms 23 Jun 2023 762nd MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 763rd Shanethegamer 🇺🇸 758 108 93ms 13 Nov 2023 764th Ripick 758 121 360ms 11 Jul 2024 765th Yewzir 🇧🇪 758 135 8ms 16 Dec 2023 765th Maximizer02 758 135 7ms 24 Sep 2024 767th DialFrost 🇸🇬 758 142 2ms 14 Sep 2024 768th nwellnhof 🇩🇪 757 88 31ms 12 Jul 2022 769th c0d3-4-F00d 🇩🇪 757 122 2ms 21 Feb 2022 770th stackofbears 756 41 2ms 20 Feb 2022 770th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 770th AlephSquirrel 756 41 2ms 8 Nov 2025 773rd tomh1012 756 94 12ms 12 Mar 2026 774th albanian-laundromat 🇺🇸 756 133 42ms 7 Sep 2025 775th tatzyr 🇯🇵 755 72 36ms 28 Dec 2024 776th CedricGebistorf 755 117 12ms 19 Feb 2022 776th sjrct 755 117 10ms 5 Aug 2024 776th FranklinJiaChen 755 117 10ms 10 Aug 2024 776th Artemis21 🇬🇧 755 117 12ms 21 Dec 2024 780th edsrzf 🇳🇿 755 173 41ms 28 Jun 2025 781st CaedenHarper 🇨🇦 754 78 938ms 30 Sep 2025 782nd emplv 🇱🇻 754 101 105ms 6 Dec 2022 783rd Steffan153 🇫🇮 754 135 7ms 12 Mar 2023 784th elgan65536 🇺🇸 754 161 156ms 9 Nov 2023 785th JOrE20 754 179 26ms 18 Feb 2026 786th emgordon154 753 128 553ms 3 Jun 2025 787th emgordon154 752 95 155ms 15 Nov 2024 788th KrausRaus 🇺🇸 751 117 2ms 15 Oct 2023 789th iczelia 🇩🇪 751 123 1ms 24 Sep 2025 790th bac0id 750 148 99ms 3 Jul 2024 791st chlorobenzene12 749 116 2ms 26 Dec 2022 792nd Tess2662 749 118 11ms 8 Sep 2022 792nd CheeseCake628 🇳🇴 749 118 11ms 20 Mar 2023 792nd randolchance 749 118 12ms 20 Mar 2023 792nd jeff-at-tamer-dot-codes 🇺🇸 749 118 10ms 19 May 2023 792nd gabe-gallegos 749 118 10ms 19 May 2024 792nd martion2007 749 118 11ms 14 Aug 2024 792nd orifu 749 118 11ms 4 Nov 2024 792nd TheZwierzLF 🇵🇱 749 118 11ms 27 May 2025 792nd addmai 749 118 10ms 30 Jul 2025 First Prev 721–800 of 1,637 Next Last