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 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 Chars Time Submitted 720th blaztoma 🇱🇹 718 58 4ms 4 days ago 722nd jared-hughes 718 128 2ms 17 Mar 2022 722nd matricronia 718 128 2ms 2 Feb 2026 724th janbehrens 🇩🇪 718 133 461ms 24 Nov 2022 725th msbranicky 717 168 156ms 1 Oct 2023 726th MeWhenI 🇻🇦 716 72 2ms 13 Nov 2022 727th MeWhenI 🇻🇦 716 81 990ms 15 Sep 2025 728th Frowny 716 156 146ms 11 Jan 2022 729th KasperKivimaeki 🇫🇮 715 149 459ms 12 Dec 2025 729th ravnskjaer 🇩🇰 715 149 432ms 15 Dec 2025 731st GeorgeStechman 🇬🇧 714 99 10ms 19 May 2022 731st vphoebe 714 99 10ms 25 May 2022 731st elisherer 🇮🇱 714 99 10ms 5 Jun 2022 734th rucin93 🇵🇱 713 86 138ms 12 hours ago 735th ovs-code 🇩🇪 712 63 36ms 9 May 2023 735th nwellnhof 🇩🇪 712 63 36ms 18 Jul 2023 735th tatzyr 🇯🇵 712 63 36ms 28 Dec 2024 738th revlayle 🇺🇸 712 108 529ms 20 Jan 2022 738th primo-ppcg 🇹🇭 712 108 558ms 20 Apr 2022 740th HallMatthew314 712 157 121ms 24 Jan 2022 741st nwellnhof 🇩🇪 711 97 10ms 18 Jul 2023 741st 4atj 711 97 16ms 30 Jun 2025 743rd GolfingSuccess 🇬🇷 710 80 5ms 17 Aug 2024 744th AlephSquirrel 709 136 3ms 14 May 2025 745th DialFrost 🇸🇬 708 43 2ms 3 Feb 2024 746th CheeseCake628 🇳🇴 708 87 421ms 17 Jan 2024 747th albanian-laundromat 708 265 1,469ms 18 Oct 2025 748th janbehrens 🇩🇪 707 130 2ms 23 Jun 2023 748th dokutan 707 130 1ms 8 Nov 2025 750th GrayJoKing 🇦🇺 706 59 4ms 14 Jan 2022 750th Shanethegamer 🇺🇸 706 59 3ms 20 Jun 2022 752nd nullshallot 706 78 323ms 5 Jan 2025 753rd duckyluuk 🇳🇱 705 108 11ms 13 Dec 2024 754th emgordon154 703 37 40ms 11 Sep 2024 755th albanian-laundromat 703 191 27ms 2 days ago 756th MeWhenI 🇻🇦 702 123 2ms 2 Oct 2024 757th GrayJoKing 🇦🇺 701 64 36ms 10 Feb 2022 757th olivermrose 🇺🇸 701 64 37ms 5 Dec 2022 759th fitzdotlol 🇺🇸 700 101 10ms 7 Mar 2022 759th mrxz 🇳🇱 700 101 11ms 23 Jun 2024 761st Shanethegamer 🇺🇸 699 104 69ms 4 Dec 2024 762nd HumanoidCPU 699 158 67ms 3 Mar 2025 763rd Shanethegamer 🇺🇸 698 120 14ms 14 Dec 2023 763rd error256 698 120 5ms 10 Feb 2026 765th inverseLorentz 🇦🇺 698 160 145ms 14 May 2024 766th DialFrost 🇸🇬 697 94 4ms 29 Oct 2023 767th AlephSquirrel 697 99 10ms 21 Jul 2023 767th jared-hughes 697 99 10ms 30 Nov 2025 767th zacjl 697 99 12ms 9 days ago 770th msbranicky 697 190 289ms 3 Oct 2023 771st TetraPengwin 696 124 2ms 14 Mar 2025 772nd snoozingnewt 🇨🇦 695 148 117ms 20 Nov 2025 773rd JRaspass 🇬🇧 694 60 3ms 18 Jan 2023 774th DialFrost 🇸🇬 694 144 40ms 30 Dec 2025 775th dokutan 693 84 874ms 14 Mar 2023 775th alemelis 693 84 845ms 21 Aug 2024 777th ShiraJoseph 🇺🇸 693 102 11ms 28 Jan 2023 777th itserasmus 693 102 10ms 17 Jan 2024 777th eranws 693 102 11ms 23 Dec 2024 780th klixel 🇨🇦 693 174 152ms 7 Jun 2023 781st ovs-code 🇩🇪 692 89 456ms 5 Jul 2024 782nd jgbaldwinbrown 691 133 2ms 13 Oct 2022 782nd klixel 🇨🇦 691 133 2ms 27 Nov 2023 784th xsot 🇸🇬 690 100 10ms 21 Jul 2023 784th inventshah 690 100 10ms 3 Aug 2023 784th StefanHabel 🇨🇦 690 100 10ms 5 Sep 2023 784th MeWhenI 🇻🇦 690 100 10ms 7 Dec 2023 784th lynn 690 100 9ms 21 Jun 2024 784th ryyyn 🇺🇸 690 100 10ms 28 Oct 2025 784th CaedenHarper 🇨🇦 690 100 10ms 30 Nov 2025 791st Shanethegamer 🇺🇸 689 89 133ms 8 Jan 2025 791st emplv 🇱🇻 689 89 135ms 28 Mar 2025 791st ovs-code 🇩🇪 689 89 139ms 17 Apr 2025 794th snoozingnewt 🇨🇦 688 119 107ms 5 Dec 2025 795th janbehrens 🇩🇪 688 155 432ms 23 Jun 2023 796th retrohun 687 75 2ms 9 Nov 2022 797th Yewzir 🇧🇪 687 112 554ms 1 Dec 2023 797th michelebastione 🇮🇹 687 112 567ms 20 Sep 2025 799th denkyuu1 686 103 10ms 19 days ago 800th cbrt-x 686 163 148ms 18 Sep 2023 First Prev 721–800 of 1,600 Next Last