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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 673rd KatieLG 🇬🇧 772 92 11ms 8 Jul 2024 677th Steffan153 🇫🇮 772 106 81ms 21 Jun 2024 678th emplv 🇱🇻 771 101 102ms 6 Dec 2022 679th c0d3-4-F00d 🇩🇪 771 122 2ms 21 Feb 2022 680th Yewzir 🇧🇪 770 115 139ms 26 Dec 2023 681st Shanethegamer 🇺🇸 770 157 148ms 8 Oct 2022 682nd primo-ppcg 🇹🇭 768 67 19ms 24 Jan 2022 683rd Shanethegamer 🇺🇸 768 99 76ms 12 Dec 2022 684th jmerle 🇳🇱 768 115 10ms 22 Jan 2022 684th PiterAnnema 768 115 15ms 23 Mar 2022 684th AGoyet 768 115 9ms 29 Jun 2022 684th Eilonlif 🇮🇱 768 115 10ms 11 Sep 2022 684th IsmaelGSerrano 768 115 10ms 2 Nov 2022 684th bobbysq 768 115 9ms 22 Jan 2023 684th msbranicky 768 115 9ms 25 Jul 2023 684th ArenaGrenade 768 115 9ms 19 Feb 2024 684th NickTheEASDude 🇺🇸 768 115 9ms 15 May 2024 684th dokutan 768 115 10ms 13 Aug 2024 684th maxgodfrey2004 🇨🇦 768 115 9ms 8 Jan 2025 684th Pyroan 768 115 10ms 21 Feb 2025 684th chartung17 768 115 10ms 24 Mar 2025 684th Babafaba 768 115 10ms 18 days ago 698th DialFrost 🇸🇬 765 71 35ms 26 Dec 2024 699th MeWhenI 🇻🇦 765 81 689ms 15 Sep 2025 700th edsrzf 🇳🇿 765 107 90ms 28 Jun 2025 701st iczelia 🇩🇪 765 123 2ms 24 Sep 2025 702nd GrayJoKing 🇦🇺 765 126 421ms 1 Mar 2022 703rd Steffan153 🇫🇮 765 135 7ms 12 Mar 2023 704th CatsAreFluffy 764 57 51ms 9 Jan 2023 704th xsot 🇸🇬 764 57 47ms 2 Feb 2024 706th jerrandolph 764 174 254ms 20 Oct 2023 707th Andrey-Plotnikov 763 93 10ms 21 Jun 2025 707th Protothor 763 93 9ms 9 Jul 2025 709th stefangimmillaro 763 102 107ms 19 Oct 2022 710th annaproxy 763 134 19ms 24 Dec 2022 711th kejcao 🇨🇦 763 147 184ms 3 Aug 2024 712th Shanethegamer 🇺🇸 762 73 259ms 14 Jun 2024 713th DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 714th MeWhenI 🇻🇦 762 194 1,555ms 17 days ago 715th martinnorling 🇸🇪 761 116 9ms 18 Feb 2022 715th Indivicivet 761 116 10ms 9 May 2022 715th Bonjour27891 🇻🇳 761 116 10ms 15 Jul 2022 715th tri1212 🇻🇳 761 116 9ms 16 Jul 2022 715th MichalMarsalek 🇨🇿 761 116 10ms 30 Nov 2022 715th yzhs 🇩🇪 761 116 10ms 25 Jun 2023 715th Attero 🇸🇪 761 116 10ms 2 Jan 2024 715th RobertHoeh 761 116 10ms 9 Apr 2024 715th Mabeloid 🇳🇴 761 116 10ms 7 Oct 2024 715th rollershutter 761 116 9ms 24 Feb 2025 725th MeWhenI 🇻🇦 761 138 9ms 9 May 2024 726th MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 727th djeedjay 🇳🇱 759 124 2ms 16 Sep 2022 728th Shanethegamer 🇺🇸 758 108 88ms 13 Nov 2023 729th nwellnhof 🇩🇪 757 88 32ms 12 Jul 2022 730th stackofbears 756 41 3ms 20 Feb 2022 730th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 730th edsrzf 🇳🇿 756 41 34ms 22 days ago 730th AlephSquirrel 756 41 2ms 17 days ago 734th m42km 756 101 425ms 4 Feb 2024 735th Ripick 756 121 354ms 11 Jul 2024 736th emgordon154 756 139 13ms 20 Feb 2025 737th edsrzf 🇳🇿 755 78 393ms 11 Oct 2025 738th CedricGebistorf 755 117 9ms 19 Feb 2022 738th sjrct 755 117 10ms 5 Aug 2024 738th FranklinJiaChen 755 117 10ms 10 Aug 2024 738th Artemis21 🇬🇧 755 117 10ms 21 Dec 2024 742nd tatzyr 🇯🇵 754 72 32ms 28 Dec 2024 743rd MeWhenI 🇻🇦 754 146 58ms 13 Nov 2022 743rd janbehrens 🇩🇪 754 146 58ms 23 Jun 2023 745th jupj 🇫🇮 753 125 2ms 31 Aug 2022 746th emgordon154 753 128 577ms 3 Jun 2025 747th albanian-laundromat 752 133 43ms 7 Sep 2025 748th KrausRaus 🇺🇸 751 117 2ms 15 Oct 2023 749th elgan65536 751 161 152ms 9 Nov 2023 750th edsrzf 🇳🇿 751 173 43ms 28 Jun 2025 First Prev 676–750 of 1,542 Next Last
