ISBN in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Calendar Connect Four 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 Calendar Connect Four 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 601st emgordon154 787 95 159ms 15 Nov 2024 602nd lifthrasiir 🇰🇷 787 97 446ms 2 Dec 2024 603rd edsrzf 🇳🇿 787 133 1,356ms 26 Apr 2025 604th DialFrost 🇸🇬 784 113 101ms 24 May 2025 605th lynn 784 154 150ms 11 Mar 2022 605th The3gs 784 154 163ms 18 Aug 2023 607th adyache 🇺🇸 783 92 10ms 2 Aug 2023 608th DialFrost 🇸🇬 783 241 847ms 18 Apr 2025 609th MeWhenI 🇻🇦 782 81 784ms 15 Sep 2025 610th msbranicky 782 112 2ms 10 Oct 2023 611th MichalMarsalek 🇨🇿 782 117 394ms 21 Apr 2022 612th DialFrost 🇸🇬 782 166 52ms 7 May 2025 613th Skleni 781 99 393ms 6 Apr 2023 614th commandblockguy 🇺🇸 781 113 15ms 3 Nov 2022 614th jakobkordez 🇸🇮 781 113 10ms 13 Nov 2022 614th mossprescott 781 113 11ms 16 Jan 2023 614th SB-945 781 113 9ms 19 Aug 2023 614th davitf 781 113 11ms 30 Apr 2024 614th kbeat 🇰🇿 781 113 11ms 18 May 2025 620th adamnielson42 🇺🇸 780 91 11ms 26 Apr 2023 621st Shanethegamer 🇺🇸 780 104 71ms 4 Dec 2024 622nd LHLaurini 🇧🇷 780 141 73ms 17 Jul 2024 623rd MeWhenI 🇻🇦 779 43 5ms 1 Mar 2025 624th MeWhenI 🇻🇦 779 96 191ms 25 Oct 2024 625th fuzzylojik-golf 🇺🇸 779 98 460ms 6 Jul 2025 626th retrohun 778 121 2ms 30 Dec 2022 626th abc7-12 778 121 2ms 26 Jun 2024 628th Yewzir 🇧🇪 778 135 9ms 16 Dec 2023 628th Maximizer02 778 135 8ms 24 Sep 2024 630th kg583 🇺🇸 777 105 4ms 2 Oct 2025 631st DialFrost 🇸🇬 777 133 7ms 11 Dec 2024 632nd JRaspass 🇬🇧 776 60 3ms 18 Jan 2023 633rd kmathis22 776 138 349ms 41 hours ago 634th rak1507 🇬🇧 775 40 3ms 10 Jan 2022 634th Frowny 775 40 3ms 13 Jan 2022 634th jared-hughes 775 40 36ms 29 Jul 2022 634th razetime 775 40 3ms 22 Aug 2022 638th Shanethegamer 🇺🇸 775 76 453ms 12 Oct 2022 638th stefangimmillaro 775 76 998ms 8 Jan 2023 638th MeWhenI 🇻🇦 775 76 997ms 10 May 2023 638th error256 775 76 1,078ms 14 Feb 2025 642nd primo-ppcg 🇹🇭 775 118 411ms 9 Apr 2022 643rd Steffan153 🇫🇮 775 132 22ms 5 Jul 2024 644th DialFrost 🇸🇬 775 142 2ms 14 Sep 2024 645th call23re 774 112 2ms 12 Jan 2022 646th aonkeeper4 774 114 14ms 5 Jul 2022 646th jared-hughes 774 114 13ms 7 Jul 2022 646th frankgraziano 774 114 11ms 8 Jan 2023 646th m42km 774 114 11ms 22 Nov 2023 646th thienudomsrirungruang 774 114 18ms 14 May 2024 646th jtaxen 774 114 10ms 8 Jun 2024 646th CutSandstone 774 114 11ms 8 Jul 2024 646th vhoulbreque 🇫🇷 774 114 11ms 9 Feb 2025 654th strout 774 145 162ms 15 Aug 2022 655th andersk 🇺🇸 774 156 212ms 30 Oct 2022 655th emgordon154 774 156 215ms 14 Mar 2025 657th juliansiebert 🇩🇪 773 72 259ms 24 Jul 2022 658th Steffan153 🇫🇮 772 106 357ms 21 Jun 2024 659th maxpelic 🇺🇸 771 92 10ms 5 Jul 2022 659th astdefu 771 92 10ms 10 Dec 2022 659th two-bad 🇬🇧 771 92 10ms 25 Feb 2024 659th KatieLG 🇬🇧 771 92 10ms 8 Jul 2024 663rd emplv 🇱🇻 771 101 110ms 6 Dec 2022 664th c0d3-4-F00d 🇩🇪 771 122 2ms 21 Feb 2022 665th Yewzir 🇧🇪 770 115 139ms 26 Dec 2023 666th Shanethegamer 🇺🇸 769 157 144ms 8 Oct 2022 667th primo-ppcg 🇹🇭 768 67 19ms 24 Jan 2022 668th Shanethegamer 🇺🇸 768 99 103ms 12 Dec 2022 669th jmerle 🇳🇱 768 115 10ms 22 Jan 2022 669th PiterAnnema 768 115 19ms 23 Mar 2022 669th AGoyet 768 115 14ms 29 Jun 2022 669th Eilonlif 🇮🇱 768 115 12ms 11 Sep 2022 669th IsmaelGSerrano 768 115 11ms 2 Nov 2022 669th bobbysq 768 115 10ms 22 Jan 2023 669th msbranicky 768 115 11ms 25 Jul 2023 First Prev 601–675 of 1,515 Next Last
