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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 826th MeWhenI 🇻🇦 726 72 2ms 13 Nov 2022 827th Shanethegamer 🇺🇸 725 138 46ms 6 Sep 2022 828th jared-hughes 724 75 38ms 9 Sep 2022 829th krcs 🇵🇱 724 98 9ms 2 May 2022 829th stefangimmillaro 724 98 10ms 12 Sep 2024 831st jm600 724 122 10ms 19 Apr 2022 831st krcs 🇵🇱 724 122 11ms 29 Apr 2022 831st bbakersmith 724 122 12ms 6 Jun 2022 831st nstearns96 🇬🇧 724 122 12ms 29 Nov 2022 831st stertooy 🇧🇪 724 122 14ms 11 Jun 2024 831st croc54 724 122 12ms 8 Jan 2025 831st Lv0Sys 🇵🇱 724 122 12ms 30 May 2025 838th janbehrens 🇩🇪 724 130 2ms 23 Jun 2023 839th janbehrens 🇩🇪 724 133 508ms 24 Nov 2022 840th jared-hughes 724 152 377ms 24 Jun 2022 840th Betuaredead 724 152 362ms 7 Jan 2023 842nd GolfingSuccess 🇬🇷 721 43 39ms 22 Jul 2022 842nd DialFrost 🇸🇬 721 43 2ms 3 Feb 2024 844th Shanethegamer 🇺🇸 721 180 45ms 23 Apr 2022 845th emgordon154 720 106 686ms 20 Feb 2025 845th Babafaba 720 106 378ms 27 hours ago 847th MeWhenI 🇻🇦 720 139 43ms 17 Feb 2023 848th Frowny 719 156 180ms 11 Jan 2022 849th msbranicky 719 168 147ms 1 Oct 2023 850th gitbedd 🇬🇧 718 123 11ms 10 Jan 2022 850th andre-lameirinhas 🇵🇹 718 123 11ms 8 Aug 2022 850th MaxElf999 718 123 11ms 13 Sep 2022 850th Mikey-Beep 🇬🇧 718 123 11ms 24 Aug 2023 850th bac0id 718 123 18ms 22 Sep 2023 850th HumanoidCPU 718 123 11ms 2 Mar 2025 856th ScottHamper 718 149 387ms 26 Feb 2022 857th GeorgeStechman 🇬🇧 717 99 9ms 19 May 2022 857th vphoebe 717 99 10ms 25 May 2022 857th elisherer 🇮🇱 717 99 10ms 5 Jun 2022 860th revlayle 🇺🇸 716 108 421ms 20 Jan 2022 860th primo-ppcg 🇹🇭 716 108 363ms 20 Apr 2022 862nd AlephSquirrel 715 136 4ms 14 May 2025 863rd HallMatthew314 715 157 135ms 24 Jan 2022 864th nullshallot 714 78 257ms 5 Jan 2025 865th duckyluuk 🇳🇱 714 108 11ms 13 Dec 2024 866th pandapawskat 713 132 2ms 7 Feb 2022 866th dokutan 713 132 2ms 13 Aug 2024 868th dokutan 712 105 133ms 6 Jun 2025 869th Ailko 🇧🇪 712 124 11ms 6 May 2022 869th qwjhvbxi 712 124 16ms 10 Feb 2024 869th leon-w 712 124 13ms 24 Jul 2024 869th jbjd 712 124 18ms 12 Sep 2024 869th smilesformiles3 712 124 11ms 14 Jun 2025 874th albanian-laundromat 712 265 841ms 21 days ago 875th Blendi-Goose 711 122 2ms 19 Jun 2025 876th HumanoidCPU 710 107 3,275ms 3 Mar 2025 877th dokutan 710 155 58ms 13 Aug 2024 878th jgbaldwinbrown 708 133 2ms 13 Oct 2022 878th klixel 🇨🇦 708 133 2ms 27 Nov 2023 880th BenBanerjeeRichards 706 125 11ms 22 Apr 2022 880th richard-oelze 🇩🇪 706 125 14ms 8 May 2022 880th vishwathg 706 125 17ms 16 Sep 2022 880th Thonoton 706 125 18ms 24 Feb 2023 880th sandorstormen 706 125 17ms 11 Mar 2023 880th MiranDaniel 🇨🇿 706 125 18ms 28 Apr 2023 880th Masttest 706 125 18ms 15 Feb 2024 880th VictorStenvers 🇳🇱 706 125 20ms 26 Jun 2024 880th Terobero 706 125 17ms 3 Sep 2024 880th LostSyntax21 🇬🇧 706 125 18ms 9 Sep 2024 880th jamesthekee 706 125 12ms 22 Jan 2025 891st olleicua 🇺🇸 705 44 43ms 11 Mar 2024 892nd jstanley0 705 77 34ms 5 Feb 2022 892nd olivermrose 🇺🇸 705 77 35ms 5 Dec 2022 894th jipsong 🇩🇪 705 116 296ms 25 Oct 2023 895th MeWhenI 🇻🇦 705 123 2ms 2 Oct 2024 896th fitzdotlol 🇺🇸 703 101 10ms 7 Mar 2022 896th mrxz 🇳🇱 703 101 11ms 23 Jun 2024 898th Natanaelel 🇸🇪 702 62 48ms 21 Jun 2022 899th dokutan 701 84 965ms 14 Mar 2023 899th alemelis 701 84 838ms 21 Aug 2024 First Prev 826–900 of 1,521 Next Last
