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 801st dylanarmstrong 748 95 10ms 12 Jan 2024 801st junkondo-jp 748 95 14ms 2 Jun 2024 803rd ovs-code 🇩🇪 747 70 2ms 8 Nov 2022 804th m42km 747 101 541ms 4 Feb 2024 805th MeWhenI 🇻🇦 747 129 449ms 4 Aug 2023 806th 4hg 🇺🇸 746 79 1,316ms 8 Dec 2022 806th anter69 🇭🇺 746 79 1,340ms 19 Feb 2023 806th emgordon154 746 79 1,321ms 25 Nov 2024 806th Shanethegamer 🇺🇸 746 79 1,255ms 9 Apr 2025 810th stefangimmillaro 746 102 113ms 19 Oct 2022 811th Shanethegamer 🇺🇸 746 111 105ms 4 Dec 2025 812th Shanethegamer 🇺🇸 746 251 1,440ms 25 Jan 2025 813th MeWhenI 🇻🇦 745 123 369ms 30 Jan 2023 814th djeedjay 🇳🇱 745 124 1ms 16 Sep 2022 815th BlankSpruce 745 149 86ms 16 Jan 2022 816th lacrosse 744 73 35ms 28 Nov 2025 817th dokutan 744 79 894ms 8 Sep 2025 818th MeWhenI 🇻🇦 744 96 147ms 25 Oct 2024 819th primo-ppcg 🇹🇭 744 144 419ms 4 Apr 2022 819th Lydxn 🇨🇦 744 144 426ms 5 Apr 2022 819th rotary-o 🇯🇵 744 144 432ms 5 May 2023 819th Jacob385 744 144 505ms 28 Oct 2025 823rd HumanoidCPU 744 179 331ms 3 Mar 2025 824th BREMAUCY 🇫🇷 744 316 13ms 15 Dec 2025 825th RYNO8 742 119 11ms 18 Feb 2022 825th eshilo-draper 742 119 11ms 10 Oct 2022 825th georgehulme 742 119 11ms 12 Oct 2022 825th Omega65536 🇩🇪 742 119 11ms 24 Nov 2022 825th Ripick 742 119 11ms 2 Feb 2023 825th Ythaenagor 742 119 11ms 5 Aug 2024 825th PyryL 🇫🇮 742 119 11ms 20 Aug 2024 825th JunkIce 742 119 10ms 25 Nov 2024 825th Stockoh 🇫🇷 742 119 11ms 13 Feb 2025 825th Alban-Boissard 742 119 11ms 14 Jun 2025 835th emplv 🇱🇻 742 182 25ms 31 Oct 2022 836th madex 🇩🇪 741 96 2,423ms 21 days ago 837th MeWhenI 🇻🇦 741 138 7ms 9 May 2024 838th BambooleanLogic 🇸🇪 740 96 11ms 20 Aug 2022 838th vroup 🇩🇰 740 96 12ms 2 Oct 2022 838th Ultra814 740 96 11ms 17 Aug 2025 841st dokutan 740 102 457ms 13 Aug 2024 842nd weliveinhell 🇭🇹 740 180 334ms 4 Oct 2023 842nd emgordon154 740 180 310ms 20 Feb 2025 844th jupj 🇫🇮 739 125 2ms 31 Aug 2022 845th KenanSi 738 42 2ms 24 Feb 2022 845th Natanaelel 🇸🇪 738 42 2ms 21 Jun 2022 845th GolfingSuccess 🇬🇷 738 42 2ms 31 Dec 2022 848th SirBogman 🇺🇸 738 59 32ms 8 Sep 2022 849th billings7 🇬🇧 737 105 414ms 12 Nov 2023 849th MiffOttah 737 105 422ms 28 Nov 2024 851st fkantelberg 736 120 11ms 18 Jul 2023 851st Bmrl7 736 120 10ms 29 Feb 2024 851st elgan65536 🇺🇸 736 120 18ms 1 Apr 2024 851st robin-scragg 736 120 14ms 25 Jul 2025 851st zgialor-lab 736 120 10ms 30 hours ago 856th emgordon154 736 139 9ms 20 Feb 2025 857th JRaspass 🇬🇧 736 181 337ms 23 Sep 2022 858th retrohun 735 151 86ms 30 Dec 2022 858th annaproxy 735 151 93ms 5 Jan 2023 860th Waffle3z 734 74 36ms 12 Jan 2022 860th olleicua 🇺🇸 734 74 37ms 16 Feb 2024 860th emgordon154 734 74 36ms 25 Jun 2024 863rd yzhs 🇩🇪 734 153 146ms 25 Jun 2023 864th SirBogman 🇺🇸 734 320 14ms 21 May 2022 865th KatieLG 🇬🇧 733 103 449ms 27 Oct 2024 866th bac0id 733 126 1ms 3 Jul 2024 867th Yewzir 🇧🇪 733 137 35ms 28 Nov 2023 868th dokutan 732 97 13ms 5 Jun 2025 868th iczelia 🇩🇪 732 97 12ms 26 Sep 2025 868th johnkiernander 732 97 12ms 14 Dec 2025 871st mlugg 732 203 1,617ms 10 Aug 2024 872nd ericlangedijk 🇸🇮 730 106 421ms 19 Mar 2022 873rd Natanaelel 🇸🇪 730 121 11ms 12 Jan 2022 873rd NerdyMcNerd42 730 121 11ms 20 Aug 2022 873rd Kloppermand 🇩🇰 730 121 10ms 3 Oct 2022 873rd ehulinsky 🇺🇸 730 121 18ms 15 May 2023 873rd AbhilashaTandon 730 121 11ms 21 Sep 2023 873rd davecame 730 121 11ms 2 Oct 2023 873rd gussy420 730 121 12ms 23 Oct 2023 873rd tobyLovick 730 121 10ms 13 Dec 2023 First Prev 801–880 of 1,633 Next Last