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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 798th MeWhenI 🇻🇦 690 100 10ms 7 Dec 2023 798th lynn 690 100 9ms 21 Jun 2024 798th ryyyn 🇺🇸 690 100 10ms 28 Oct 2025 798th CaedenHarper 🇨🇦 690 100 10ms 30 Nov 2025 805th Shanethegamer 🇺🇸 689 89 133ms 8 Jan 2025 805th emplv 🇱🇻 689 89 135ms 28 Mar 2025 805th ovs-code 🇩🇪 689 89 139ms 17 Apr 2025 808th snoozingnewt 🇨🇦 688 119 101ms 5 Dec 2025 809th janbehrens 🇩🇪 688 155 432ms 23 Jun 2023 810th retrohun 687 75 2ms 9 Nov 2022 811th Yewzir 🇧🇪 687 112 447ms 1 Dec 2023 811th michelebastione 🇮🇹 687 112 419ms 20 Sep 2025 813th kkoenig 687 193 295ms 1 Jan 2024 813th rifatx 687 193 278ms 23 Jul 2024 815th denkyuu1 686 103 9ms 23 Feb 2026 816th cbrt-x 686 163 148ms 18 Sep 2023 817th luuumine 🇫🇷 686 176 159ms 24 Nov 2025 818th janbehrens 🇩🇪 685 85 299ms 23 Jun 2023 819th m-tkach 🇺🇦 685 90 455ms 21 Jan 2024 820th RockOfStone 685 126 2ms 30 Jul 2022 821st lynn 684 38 41ms 22 Jul 2022 822nd 0e4ef622 683 101 10ms 21 Jun 2022 822nd bricknellj 683 101 9ms 22 Jun 2024 822nd blaztoma 🇱🇹 683 101 10ms 8 Mar 2026 825th DialFrost 🇸🇬 682 90 131ms 3 Nov 2024 826th IlkkaTakala 682 162 63ms 1 Dec 2023 827th error256 680 66 37ms 8 May 2025 828th MeWhenI 🇻🇦 680 81 327ms 28 Jan 2023 829th a6166231 🇨🇳 680 104 11ms 29 May 2025 830th bumchen 678 163 58ms 6 Apr 2023 831st DialFrost 🇸🇬 677 84 5ms 14 Aug 2024 832nd bizy-coder 677 91 475ms 1 Apr 2024 832nd MeWhenI 🇻🇦 677 91 436ms 24 May 2024 832nd AlephSquirrel 677 91 466ms 3 Jul 2024 832nd CaedenHarper 🇨🇦 677 91 437ms 30 Nov 2025 836th MeWhenI 🇻🇦 677 346 12ms 28 Aug 2023 837th gnuvince 676 45 2ms 29 Jun 2025 838th b10011 🇫🇮 676 102 9ms 14 Jan 2023 838th bzijlema 🇳🇱 676 102 10ms 15 Oct 2024 838th moustave 676 102 10ms 25 Jun 2025 838th FoxInTheClouds 676 102 10ms 20 Feb 2026 838th edsrzf 🇳🇿 676 102 11ms 4 Mar 2026 838th madex 🇩🇪 676 102 10ms 24 days ago 838th firegene 🇮🇪 676 102 10ms 16 days ago 838th Emutis 🇱🇹 676 102 11ms 7 days ago 846th HumanoidCPU 676 136 1ms 4 Mar 2025 847th Shanethegamer 🇺🇸 675 99 87ms 12 Dec 2022 848th fabianrieder 675 114 429ms 6 Apr 2023 849th fantaize 675 179 149ms 10 Mar 2026 850th prestosilver 🇺🇸 674 164 63ms 15 days ago 851st jacobly0 🇺🇸 674 193 41ms 18 Sep 2025 852nd MeWhenI 🇻🇦 674 199 25ms 2 Oct 2024 853rd alexsave 673 105 10ms 8 Nov 2024 853rd acollett89 673 105 10ms 1 Aug 2025 853rd LordSir101 673 105 10ms 16 Aug 2025 856th MeWhenI 🇻🇦 672 246 8ms 30 Nov 2023 857th violeta-desantis 671 137 2ms 27 Sep 2023 858th inventshah 670 92 474ms 21 Jan 2024 859th janbehrens 🇩🇪 670 103 9ms 23 Jun 2023 859th orthoplex 🇨🇽 670 103 10ms 25 Nov 2023 859th abc7-12 670 103 10ms 26 Jun 2024 859th Lv0Sys 🇵🇱 670 103 11ms 6 Dec 2025 859th FortuiteMan 🇫🇷 670 103 10ms 18 Dec 2025 864th bac0id 670 159 424ms 26 Sep 2023 865th msbranicky 670 165 56ms 20 Aug 2023 865th Herbert00709 🇵🇱 670 165 63ms 23 days ago 867th stefangimmillaro 669 67 40ms 26 Dec 2024 868th janbehrens 🇩🇪 669 115 463ms 23 Jun 2023 869th albanian-laundromat 🇺🇸 669 350 12ms 4 days ago 870th SirBogman 🇺🇸 668 59 32ms 8 Sep 2022 871st SirBogman 🇺🇸 667 39 41ms 4 Oct 2022 872nd zakariamouhid 667 106 10ms 14 May 2023 873rd Yewzir 🇧🇪 666 87 975ms 15 Nov 2025 874th SirBogman 🇺🇸 666 150 38ms 4 Dec 2022 875th varhammer 666 152 7ms 7 Nov 2024 876th Schmitt-Very-Cool 666 160 471ms 30 Sep 2025 877th swbbl 663 83 305ms 5 Feb 2022 877th Feniske 🇫🇷 663 83 315ms 8 Aug 2022 879th VictorFordham 663 104 10ms 20 Feb 2023 879th Alex-x90 🇺🇸 663 104 10ms 3 Aug 2023 First Prev 801–880 of 1,624 Next Last