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 721st DialFrost 🇸🇬 762 114 2ms 1 Nov 2024 722nd MeWhenI 🇻🇦 762 194 1,694ms 7 Nov 2025 723rd martinnorling 🇸🇪 761 116 9ms 18 Feb 2022 723rd Indivicivet 761 116 9ms 9 May 2022 723rd Bonjour27891 🇻🇳 761 116 9ms 15 Jul 2022 723rd tri1212 🇻🇳 761 116 10ms 16 Jul 2022 723rd MichalMarsalek 🇨🇿 761 116 9ms 30 Nov 2022 723rd yzhs 🇩🇪 761 116 9ms 25 Jun 2023 723rd Attero 🇸🇪 761 116 10ms 2 Jan 2024 723rd RobertHoeh 761 116 10ms 9 Apr 2024 723rd Mabeloid 🇳🇴 761 116 10ms 7 Oct 2024 723rd rollershutter 761 116 10ms 24 Feb 2025 723rd JOrE20 761 116 10ms 10 days ago 734th edsrzf 🇳🇿 761 132 43ms 31 Dec 2025 735th MeWhenI 🇻🇦 760 128 8ms 21 Jul 2023 736th MeWhenI 🇻🇦 760 146 59ms 13 Nov 2022 736th janbehrens 🇩🇪 760 146 59ms 23 Jun 2023 738th Shanethegamer 🇺🇸 758 108 81ms 13 Nov 2023 739th Ripick 758 121 381ms 11 Jul 2024 740th Yewzir 🇧🇪 758 135 7ms 16 Dec 2023 740th Maximizer02 758 135 7ms 24 Sep 2024 742nd DialFrost 🇸🇬 758 142 2ms 14 Sep 2024 743rd nwellnhof 🇩🇪 757 88 31ms 12 Jul 2022 744th c0d3-4-F00d 🇩🇪 757 122 2ms 21 Feb 2022 745th stackofbears 756 41 2ms 20 Feb 2022 745th akamayu-ouo 🇹🇼 756 41 2ms 8 Jul 2024 745th edsrzf 🇳🇿 756 41 41ms 3 Nov 2025 745th AlephSquirrel 756 41 2ms 8 Nov 2025 749th albanian-laundromat 756 133 42ms 7 Sep 2025 750th tatzyr 🇯🇵 755 72 36ms 28 Dec 2024 751st edsrzf 🇳🇿 755 78 386ms 11 Oct 2025 752nd CedricGebistorf 755 117 10ms 19 Feb 2022 752nd sjrct 755 117 9ms 5 Aug 2024 752nd FranklinJiaChen 755 117 10ms 10 Aug 2024 752nd Artemis21 🇬🇧 755 117 10ms 21 Dec 2024 756th edsrzf 🇳🇿 755 173 41ms 28 Jun 2025 757th CaedenHarper 🇨🇦 754 78 823ms 30 Sep 2025 758th emplv 🇱🇻 754 101 120ms 6 Dec 2022 759th Steffan153 🇫🇮 754 135 6ms 12 Mar 2023 760th JOrE20 754 179 26ms 15 days ago 761st emgordon154 753 128 553ms 3 Jun 2025 762nd KrausRaus 🇺🇸 751 117 2ms 15 Oct 2023 763rd iczelia 🇩🇪 751 123 1ms 24 Sep 2025 764th elgan65536 🇺🇸 751 161 150ms 9 Nov 2023 765th Shanethegamer 🇺🇸 751 251 1,484ms 25 Jan 2025 766th chlorobenzene12 749 116 2ms 26 Dec 2022 767th bac0id 749 148 66ms 3 Jul 2024 768th tobeannouncd 749 150 144ms 20 Dec 2024 769th dylanarmstrong 748 95 9ms 12 Jan 2024 769th junkondo-jp 748 95 9ms 2 Jun 2024 771st Tess2662 748 118 9ms 8 Sep 2022 771st CheeseCake628 🇳🇴 748 118 9ms 20 Mar 2023 771st randolchance 748 118 10ms 20 Mar 2023 771st jeff-at-tamer-dot-codes 🇺🇸 748 118 10ms 19 May 2023 771st gabe-gallegos 748 118 9ms 19 May 2024 771st martion2007 748 118 10ms 14 Aug 2024 771st orifu 748 118 9ms 4 Nov 2024 771st TheZwierzLF 🇵🇱 748 118 10ms 27 May 2025 771st addmai 748 118 10ms 30 Jul 2025 780th ovs-code 🇩🇪 747 70 2ms 8 Nov 2022 781st emgordon154 747 95 137ms 15 Nov 2024 782nd m42km 747 101 422ms 4 Feb 2024 783rd MeWhenI 🇻🇦 747 129 449ms 4 Aug 2023 784th 4hg 🇺🇸 746 79 1,316ms 8 Dec 2022 784th anter69 🇭🇺 746 79 1,340ms 19 Feb 2023 784th emgordon154 746 79 1,321ms 25 Nov 2024 784th Shanethegamer 🇺🇸 746 79 1,255ms 9 Apr 2025 788th stefangimmillaro 746 102 111ms 19 Oct 2022 789th Shanethegamer 🇺🇸 746 111 132ms 4 Dec 2025 790th MeWhenI 🇻🇦 745 123 369ms 30 Jan 2023 791st djeedjay 🇳🇱 745 124 2ms 16 Sep 2022 792nd lacrosse 744 73 35ms 28 Nov 2025 793rd dokutan 744 79 1,002ms 8 Sep 2025 794th primo-ppcg 🇹🇭 744 144 419ms 4 Apr 2022 794th Lydxn 🇨🇦 744 144 445ms 5 Apr 2022 794th rotary-o 🇯🇵 744 144 468ms 5 May 2023 794th Jacob385 744 144 578ms 28 Oct 2025 798th BlankSpruce 744 149 58ms 16 Jan 2022 799th BREMAUCY 🇫🇷 744 316 13ms 15 Dec 2025 800th HumanoidCPU 743 179 279ms 3 Mar 2025 First Prev 721–800 of 1,598 Next Last