ISBN in all languages in chars. 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 Multitap Input 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 Multitap Input 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 Chars Time Submitted 749th jared-hughes 697 99 10ms 6 days ago 752nd snoozingnewt 🇨🇦 697 148 117ms 16 days ago 753rd inverseLorentz 🇦🇺 697 160 166ms 14 May 2024 754th msbranicky 697 190 259ms 3 Oct 2023 755th TetraPengwin 696 124 2ms 14 Mar 2025 756th albanian-laundromat 696 186 41ms 19 days ago 757th m-tkach 🇺🇦 694 90 400ms 21 Jan 2024 758th JRaspass 🇬🇧 693 60 3ms 18 Jan 2023 759th dokutan 693 84 795ms 14 Mar 2023 759th alemelis 693 84 789ms 21 Aug 2024 761st ShiraJoseph 🇺🇸 693 102 10ms 28 Jan 2023 761st itserasmus 693 102 9ms 17 Jan 2024 761st eranws 693 102 9ms 23 Dec 2024 764th HumanoidCPU 693 158 68ms 3 Mar 2025 765th klixel 🇨🇦 692 174 156ms 7 Jun 2023 766th Shanethegamer 🇺🇸 691 89 137ms 8 Jan 2025 766th emplv 🇱🇻 691 89 133ms 28 Mar 2025 766th ovs-code 🇩🇪 691 89 133ms 17 Apr 2025 769th xsot 🇸🇬 690 100 10ms 21 Jul 2023 769th inventshah 690 100 10ms 3 Aug 2023 769th StefanHabel 🇨🇦 690 100 9ms 5 Sep 2023 769th MeWhenI 🇻🇦 690 100 9ms 7 Dec 2023 769th lynn 690 100 9ms 21 Jun 2024 769th ryyyn 🇺🇸 690 100 11ms 28 Oct 2025 769th CaedenHarper 🇨🇦 690 100 11ms 6 days ago 776th emgordon154 690 213 1,687ms 17 Sep 2025 777th HumanoidCPU 689 136 2ms 4 Mar 2025 778th snoozingnewt 🇨🇦 688 119 99ms 37 hours ago 779th janbehrens 🇩🇪 688 155 321ms 23 Jun 2023 780th retrohun 687 75 2ms 9 Nov 2022 781st DialFrost 🇸🇬 687 84 5ms 14 Aug 2024 782nd bizy-coder 687 91 369ms 1 Apr 2024 782nd MeWhenI 🇻🇦 687 91 406ms 24 May 2024 782nd AlephSquirrel 687 91 422ms 3 Jul 2024 782nd CaedenHarper 🇨🇦 687 91 384ms 6 days ago 786th Yewzir 🇧🇪 686 112 338ms 1 Dec 2023 786th michelebastione 🇮🇹 686 112 357ms 20 Sep 2025 788th kkoenig 686 193 263ms 1 Jan 2024 788th rifatx 686 193 267ms 23 Jul 2024 790th janbehrens 🇩🇪 685 85 306ms 23 Jun 2023 791st MeWhenI 🇻🇦 685 110 2,843ms 24 Oct 2024 792nd RockOfStone 685 126 2ms 30 Jul 2022 793rd cbrt-x 685 163 160ms 18 Sep 2023 794th lynn 684 38 39ms 22 Jul 2022 795th violeta-desantis 684 137 2ms 27 Sep 2023 796th luuumine 🇫🇷 684 176 152ms 12 days ago 797th DialFrost 🇸🇬 683 90 130ms 3 Nov 2024 798th 0e4ef622 683 101 9ms 21 Jun 2022 798th bricknellj 683 101 10ms 22 Jun 2024 800th MeWhenI 🇻🇦 680 81 247ms 28 Jan 2023 801st error256 679 66 36ms 8 May 2025 802nd inventshah 679 92 426ms 21 Jan 2024 803rd a6166231 🇨🇳 679 104 9ms 29 May 2025 804th gnuvince 676 45 2ms 29 Jun 2025 805th b10011 🇫🇮 676 102 9ms 14 Jan 2023 805th zacjl 676 102 9ms 21 Oct 2023 805th bzijlema 🇳🇱 676 102 10ms 15 Oct 2024 805th moustave 676 102 9ms 25 Jun 2025 805th blaztoma 🇱🇹 676 102 16ms 9 Oct 2025 810th IlkkaTakala 676 162 64ms 1 Dec 2023 811th Shanethegamer 🇺🇸 675 99 76ms 12 Dec 2022 812th MeWhenI 🇻🇦 675 346 13ms 28 Aug 2023 813th fabianrieder 674 114 363ms 6 Apr 2023 814th alexsave 673 105 9ms 8 Nov 2024 814th acollett89 673 105 9ms 1 Aug 2025 814th LordSir101 673 105 9ms 16 Aug 2025 817th bumchen 672 163 58ms 6 Apr 2023 818th MeWhenI 🇻🇦 672 199 27ms 2 Oct 2024 819th MeWhenI 🇻🇦 672 246 9ms 30 Nov 2023 820th Shanethegamer 🇺🇸 671 86 4ms 14 Aug 2024 821st jacobly0 🇺🇸 671 193 58ms 18 Sep 2025 822nd janbehrens 🇩🇪 670 103 9ms 23 Jun 2023 822nd orthoplex 🇨🇽 670 103 10ms 25 Nov 2023 822nd abc7-12 670 103 9ms 26 Jun 2024 822nd madex 🇩🇪 670 103 10ms 7 Aug 2025 First Prev 751–825 of 1,547 Next Last