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 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 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 Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Turtle Tutorial # Golfer Points Bytes Time Submitted 901st MeWhenI 🇻🇦 706 123 2ms 2 Oct 2024 902nd BenBanerjeeRichards 706 125 10ms 22 Apr 2022 902nd richard-oelze 🇩🇪 706 125 9ms 8 May 2022 902nd vishwathg 706 125 15ms 16 Sep 2022 902nd Thonoton 706 125 16ms 24 Feb 2023 902nd sandorstormen 706 125 17ms 11 Mar 2023 902nd MiranDaniel 🇨🇿 706 125 16ms 28 Apr 2023 902nd VictorStenvers 🇳🇱 706 125 17ms 26 Jun 2024 902nd Terobero 706 125 17ms 3 Sep 2024 902nd LostSyntax21 🇬🇧 706 125 15ms 9 Sep 2024 902nd jamesthekee 706 125 9ms 22 Jan 2025 912th olleicua 🇺🇸 705 44 43ms 11 Mar 2024 913th jstanley0 705 77 34ms 5 Feb 2022 913th olivermrose 🇺🇸 705 77 35ms 5 Dec 2022 915th jipsong 🇩🇪 705 116 72ms 25 Oct 2023 916th fitzdotlol 🇺🇸 703 101 9ms 7 Mar 2022 916th mrxz 🇳🇱 703 101 10ms 23 Jun 2024 918th snoozingnewt 🇺🇸 703 148 117ms 12 days ago 919th Natanaelel 🇸🇪 702 62 48ms 21 Jun 2022 920th dokutan 701 84 795ms 14 Mar 2023 920th alemelis 701 84 789ms 21 Aug 2024 922nd TetraPengwin 701 124 2ms 14 Mar 2025 923rd TobyBoyne 🇬🇧 701 126 9ms 28 Jan 2022 923rd OllieBoyne 🇬🇧 701 126 9ms 2 Mar 2022 923rd Anonymousellama21 701 126 9ms 14 Apr 2022 923rd Trunksistor 🇫🇷 701 126 11ms 19 Apr 2022 923rd docd 701 126 16ms 8 Aug 2022 923rd LogicalJoe 701 126 16ms 4 May 2023 923rd pde-bakk 🇳🇱 701 126 9ms 23 Oct 2023 923rd mstang107 701 126 10ms 20 Dec 2023 923rd DGipe 701 126 9ms 13 May 2024 923rd retrohun 701 126 9ms 18 Oct 2024 923rd yokasuretsu 701 126 10ms 23 Jan 2025 923rd bknower 701 126 9ms 26 Jun 2025 935th inverseLorentz 🇦🇺 701 160 166ms 14 May 2024 936th msbranicky 700 190 261ms 3 Oct 2023 937th albanian-laundromat 699 186 41ms 15 days ago 938th retrohun 697 75 2ms 9 Nov 2022 939th HumanoidCPU 697 158 62ms 3 Mar 2025 940th DialFrost 🇸🇬 696 84 5ms 14 Aug 2024 941st ShiraJoseph 🇺🇸 696 102 9ms 28 Jan 2023 941st itserasmus 696 102 10ms 17 Jan 2024 941st eranws 696 102 9ms 23 Dec 2024 944th MeWhenI 🇻🇦 695 67 3ms 15 Apr 2023 945th jacklynnepenick 695 127 9ms 15 Feb 2022 945th Pena86 695 127 15ms 14 Sep 2022 945th pascscha 695 127 9ms 18 Sep 2022 945th DrPiranoid 695 127 10ms 8 Oct 2022 945th QuincyNash 🇺🇸 695 127 9ms 13 Nov 2022 945th epic-programmer-guy 695 127 10ms 21 Dec 2023 945th AdamMorris377 695 127 9ms 29 Jul 2024 945th 40fied4t 695 127 10ms 15 May 2025 945th Luke44565 695 127 9ms 10 Aug 2025 945th jacekwladzinski 695 127 11ms 5 Oct 2025 955th klixel 🇨🇦 695 174 156ms 7 Jun 2023 956th emgordon154 694 213 1,687ms 17 Sep 2025 957th janbehrens 🇩🇪 693 85 306ms 23 Jun 2023 958th MeWhenI 🇻🇦 692 110 2,843ms 24 Oct 2024 959th HumanoidCPU 692 136 2ms 4 Mar 2025 960th janbehrens 🇩🇪 691 155 321ms 23 Jun 2023 961st Yewzir 🇧🇪 690 112 338ms 1 Dec 2023 961st michelebastione 🇮🇹 690 112 357ms 20 Sep 2025 963rd gchenfc 690 128 9ms 24 Jan 2022 963rd pyrolitic 🇮🇪 690 128 10ms 5 Apr 2022 963rd hellwue 690 128 10ms 8 Feb 2023 963rd Wildst 690 128 10ms 4 Aug 2023 963rd sleepyStick 690 128 10ms 7 Dec 2023 963rd damoose717 690 128 10ms 23 May 2025 963rd RaBa21 🇭🇺 690 128 20ms 19 Jul 2025 970th gnuvince 689 45 2ms 29 Jun 2025 971st RockOfStone 689 126 2ms 30 Jul 2022 972nd cbrt-x 689 163 160ms 18 Sep 2023 973rd kkoenig 689 193 259ms 1 Jan 2024 973rd rifatx 689 193 245ms 23 Jul 2024 975th JunkIce 688 111 486ms 3 Dec 2024 First Prev 901–975 of 1,556 Next Last
