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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 801st primo-ppcg 🇹🇭 744 144 419ms 4 Apr 2022 801st Lydxn 🇨🇦 744 144 445ms 5 Apr 2022 801st rotary-o 🇯🇵 744 144 468ms 5 May 2023 801st Jacob385 744 144 578ms 28 Oct 2025 805th BREMAUCY 🇫🇷 744 316 13ms 15 Dec 2025 806th HumanoidCPU 743 179 279ms 3 Mar 2025 807th RYNO8 742 119 10ms 18 Feb 2022 807th eshilo-draper 742 119 10ms 10 Oct 2022 807th georgehulme 742 119 9ms 12 Oct 2022 807th Omega65536 🇩🇪 742 119 10ms 24 Nov 2022 807th Ripick 742 119 10ms 2 Feb 2023 807th Ythaenagor 742 119 9ms 5 Aug 2024 807th PyryL 🇫🇮 742 119 10ms 20 Aug 2024 807th JunkIce 742 119 9ms 25 Nov 2024 807th Stockoh 🇫🇷 742 119 10ms 13 Feb 2025 807th Alban-Boissard 742 119 10ms 14 Jun 2025 817th emplv 🇱🇻 742 182 25ms 31 Oct 2022 818th MeWhenI 🇻🇦 741 138 8ms 9 May 2024 819th BambooleanLogic 🇸🇪 740 96 11ms 20 Aug 2022 819th vroup 🇩🇰 740 96 11ms 2 Oct 2022 819th MeWhenI 🇻🇦 740 96 147ms 25 Oct 2024 819th Ultra814 740 96 10ms 17 Aug 2025 819th tomh1012 740 96 11ms 21 Nov 2025 824th dokutan 740 102 465ms 13 Aug 2024 825th jupj 🇫🇮 739 125 2ms 31 Aug 2022 826th edsrzf 🇳🇿 739 164 324ms 29 Jul 2025 827th weliveinhell 🇭🇹 739 180 313ms 4 Oct 2023 827th emgordon154 739 180 281ms 20 Feb 2025 829th KenanSi 738 42 2ms 24 Feb 2022 829th Natanaelel 🇸🇪 738 42 2ms 21 Jun 2022 829th GolfingSuccess 🇬🇷 738 42 2ms 31 Dec 2022 832nd SirBogman 🇺🇸 738 59 32ms 8 Sep 2022 833rd billings7 🇬🇧 737 105 418ms 12 Nov 2023 833rd MiffOttah 737 105 448ms 28 Nov 2024 835th fkantelberg 736 120 10ms 18 Jul 2023 835th Bmrl7 736 120 10ms 29 Feb 2024 835th elgan65536 🇺🇸 736 120 16ms 1 Apr 2024 835th robin-scragg 736 120 10ms 25 Jul 2025 839th emgordon154 736 139 9ms 20 Feb 2025 840th retrohun 735 151 63ms 30 Dec 2022 840th annaproxy 735 151 66ms 5 Jan 2023 842nd JRaspass 🇬🇧 735 181 295ms 23 Sep 2022 843rd Waffle3z 734 74 36ms 12 Jan 2022 843rd olleicua 🇺🇸 734 74 35ms 16 Feb 2024 843rd emgordon154 734 74 36ms 25 Jun 2024 846th yzhs 🇩🇪 734 153 146ms 25 Jun 2023 847th SirBogman 🇺🇸 734 320 14ms 21 May 2022 848th KatieLG 🇬🇧 733 103 499ms 27 Oct 2024 849th bac0id 733 126 2ms 3 Jul 2024 850th Yewzir 🇧🇪 733 137 35ms 28 Nov 2023 851st dokutan 732 97 9ms 5 Jun 2025 851st iczelia 🇩🇪 732 97 11ms 26 Sep 2025 851st johnkiernander 732 97 10ms 14 Dec 2025 854th ericlangedijk 🇸🇮 730 106 0ms 19 Mar 2022 855th Natanaelel 🇸🇪 730 121 9ms 12 Jan 2022 855th NerdyMcNerd42 730 121 10ms 20 Aug 2022 855th Kloppermand 🇩🇰 730 121 9ms 3 Oct 2022 855th ehulinsky 🇺🇸 730 121 16ms 15 May 2023 855th AbhilashaTandon 730 121 10ms 21 Sep 2023 855th davecame 730 121 10ms 2 Oct 2023 855th gussy420 730 121 9ms 23 Oct 2023 855th tobyLovick 730 121 10ms 13 Dec 2023 863rd jared-hughes 730 152 465ms 24 Jun 2022 863rd Betuaredead 730 152 454ms 7 Jan 2023 865th Shanethegamer 🇺🇸 728 138 38ms 6 Sep 2022 866th mlugg 728 203 1,617ms 10 Aug 2024 867th MeWhenI 🇻🇦 726 72 2ms 13 Nov 2022 868th MeWhenI 🇻🇦 726 81 990ms 15 Sep 2025 869th commandz0 🇺🇸 726 104 502ms 1 Sep 2025 870th jared-hughes 725 75 36ms 9 Sep 2022 871st krcs 🇵🇱 725 98 10ms 2 May 2022 871st stefangimmillaro 725 98 9ms 12 Sep 2024 873rd dokutan 725 153 68ms 8 Nov 2025 874th Shanethegamer 🇺🇸 725 180 40ms 23 Apr 2022 875th Blendi-Goose 724 120 2ms 4 days ago 876th jm600 724 122 10ms 19 Apr 2022 876th krcs 🇵🇱 724 122 10ms 29 Apr 2022 876th bbakersmith 724 122 10ms 6 Jun 2022 876th nstearns96 🇬🇧 724 122 11ms 29 Nov 2022 876th stertooy 🇧🇪 724 122 10ms 11 Jun 2024 First Prev 801–880 of 1,606 Next Last
