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 Taxicab 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 751st Shanethegamer 🇺🇸 751 251 1,515ms 25 Jan 2025 752nd dokutan 749 102 488ms 13 Aug 2024 753rd chlorobenzene12 749 116 2ms 26 Dec 2022 754th Tess2662 748 118 11ms 8 Sep 2022 754th CheeseCake628 🇳🇴 748 118 9ms 20 Mar 2023 754th randolchance 748 118 11ms 20 Mar 2023 754th jeff-at-tamer-dot-codes 🇺🇸 748 118 10ms 19 May 2023 754th gabe-gallegos 748 118 10ms 19 May 2024 754th martion2007 748 118 9ms 14 Aug 2024 754th orifu 748 118 9ms 4 Nov 2024 754th TheZwierzLF 🇵🇱 748 118 10ms 27 May 2025 754th addmai 748 118 11ms 30 Jul 2025 763rd edsrzf 🇳🇿 748 134 44ms 28 Jun 2025 764th tobeannouncd 748 150 160ms 20 Dec 2024 765th ovs-code 🇩🇪 747 70 3ms 8 Nov 2022 766th dylanarmstrong 747 95 10ms 12 Jan 2024 766th junkondo-jp 747 95 9ms 2 Jun 2024 768th bac0id 747 126 2ms 3 Jul 2024 769th MeWhenI 🇻🇦 747 129 424ms 4 Aug 2023 770th 4hg 🇺🇸 746 79 950ms 8 Dec 2022 770th anter69 🇭🇺 746 79 1,014ms 19 Feb 2023 770th emgordon154 746 79 1,037ms 25 Nov 2024 770th Shanethegamer 🇺🇸 746 79 968ms 9 Apr 2025 774th MeWhenI 🇻🇦 744 123 326ms 30 Jan 2023 775th bac0id 744 148 60ms 3 Jul 2024 776th primo-ppcg 🇹🇭 743 144 311ms 4 Apr 2022 776th Lydxn 🇨🇦 743 144 305ms 5 Apr 2022 776th rotary-o 🇯🇵 743 144 318ms 5 May 2023 776th Steffan153 🇫🇮 743 144 305ms 24 Feb 2024 776th Jacob385 743 144 348ms 28 Oct 2025 781st HumanoidCPU 743 179 254ms 3 Mar 2025 782nd KatieLG 🇬🇧 742 103 455ms 27 Oct 2024 783rd RYNO8 742 119 9ms 18 Feb 2022 783rd eshilo-draper 742 119 10ms 10 Oct 2022 783rd georgehulme 742 119 10ms 12 Oct 2022 783rd Omega65536 🇩🇪 742 119 9ms 24 Nov 2022 783rd Ripick 742 119 10ms 2 Feb 2023 783rd Ythaenagor 742 119 10ms 5 Aug 2024 783rd PyryL 🇫🇮 742 119 10ms 20 Aug 2024 783rd JunkIce 742 119 10ms 25 Nov 2024 783rd Stockoh 🇫🇷 742 119 9ms 13 Feb 2025 783rd Alban-Boissard 742 119 9ms 14 Jun 2025 783rd Flekay 🇩🇪 742 119 10ms 10 Jul 2025 794th BambooleanLogic 🇸🇪 740 96 9ms 20 Aug 2022 794th vroup 🇩🇰 740 96 9ms 2 Oct 2022 794th Ultra814 740 96 10ms 17 Aug 2025 794th tomh1012 740 96 9ms 4 days ago 798th BlankSpruce 739 149 53ms 16 Jan 2022 799th weliveinhell 🇭🇹 739 180 256ms 4 Oct 2023 799th emgordon154 739 180 259ms 20 Feb 2025 801st emplv 🇱🇻 739 182 28ms 31 Oct 2022 802nd KenanSi 738 42 2ms 24 Feb 2022 802nd Natanaelel 🇸🇪 738 42 3ms 21 Jun 2022 802nd GolfingSuccess 🇬🇷 738 42 2ms 31 Dec 2022 805th edsrzf 🇳🇿 738 164 272ms 29 Jul 2025 806th SirBogman 🇺🇸 737 59 39ms 8 Sep 2022 807th billings7 🇬🇧 736 105 355ms 12 Nov 2023 807th MiffOttah 736 105 350ms 28 Nov 2024 809th fkantelberg 736 120 9ms 18 Jul 2023 809th Bmrl7 736 120 10ms 29 Feb 2024 809th elgan65536 736 120 16ms 1 Apr 2024 809th robin-scragg 736 120 10ms 25 Jul 2025 813th MeWhenI 🇻🇦 736 174 41ms 13 Feb 2025 814th jared-hughes 735 128 2ms 17 Mar 2022 815th JRaspass 🇬🇧 735 181 266ms 23 Sep 2022 816th Waffle3z 734 74 48ms 12 Jan 2022 816th olleicua 🇺🇸 734 74 36ms 16 Feb 2024 816th emgordon154 734 74 54ms 25 Jun 2024 819th commandblockguy 🇺🇸 734 104 882ms 1 Sep 2025 820th yzhs 🇩🇪 734 153 176ms 25 Jun 2023 821st dokutan 732 97 10ms 5 Jun 2025 821st iczelia 🇩🇪 732 97 9ms 26 Sep 2025 823rd SirBogman 🇺🇸 732 320 14ms 21 May 2022 824th GolfingSuccess 🇬🇷 731 80 7ms 17 Aug 2024 825th Yewzir 🇧🇪 731 137 39ms 28 Nov 2023 First Prev 751–825 of 1,547 Next Last