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 801st xsot 🇸🇬 690 100 12ms 21 Jul 2023 801st inventshah 690 100 11ms 3 Aug 2023 801st StefanHabel 🇨🇦 690 100 12ms 5 Sep 2023 801st MeWhenI 🇻🇦 690 100 12ms 7 Dec 2023 801st lynn 690 100 10ms 21 Jun 2024 801st ryyyn 🇺🇸 690 100 10ms 28 Oct 2025 801st CaedenHarper 🇨🇦 690 100 11ms 30 Nov 2025 808th janbehrens 🇩🇪 689 155 409ms 23 Jun 2023 809th kkoenig 689 193 328ms 1 Jan 2024 809th rifatx 689 193 332ms 23 Jul 2024 811th luuumine 🇫🇷 688 176 157ms 24 Nov 2025 812th retrohun 687 75 2ms 9 Nov 2022 813th janbehrens 🇩🇪 687 85 303ms 23 Jun 2023 814th Yewzir 🇧🇪 687 112 431ms 1 Dec 2023 814th michelebastione 🇮🇹 687 112 472ms 20 Sep 2025 816th denkyuu1 686 103 10ms 23 Feb 2026 817th RockOfStone 686 126 1ms 30 Jul 2022 818th cbrt-x 686 163 148ms 18 Sep 2023 819th m-tkach 🇺🇦 685 90 530ms 21 Jan 2024 820th lynn 684 38 41ms 22 Jul 2022 821st DialFrost 🇸🇬 683 90 159ms 3 Nov 2024 822nd 0e4ef622 683 101 11ms 21 Jun 2022 822nd bricknellj 683 101 15ms 22 Jun 2024 822nd blaztoma 🇱🇹 683 101 11ms 8 Mar 2026 825th IlkkaTakala 683 162 100ms 1 Dec 2023 826th error256 680 66 37ms 8 May 2025 827th MeWhenI 🇻🇦 680 81 262ms 28 Jan 2023 828th a6166231 🇨🇳 680 104 12ms 29 May 2025 829th DialFrost 🇸🇬 679 84 5ms 14 Aug 2024 830th bumchen 679 163 65ms 6 Apr 2023 831st bizy-coder 678 91 410ms 1 Apr 2024 831st MeWhenI 🇻🇦 678 91 489ms 24 May 2024 831st AlephSquirrel 678 91 496ms 3 Jul 2024 831st CaedenHarper 🇨🇦 678 91 505ms 30 Nov 2025 835th MeWhenI 🇻🇦 678 199 25ms 2 Oct 2024 836th Shanethegamer 🇺🇸 677 99 87ms 12 Dec 2022 837th fantaize 677 179 149ms 10 Mar 2026 838th MeWhenI 🇻🇦 677 346 12ms 28 Aug 2023 839th gnuvince 676 45 2ms 29 Jun 2025 840th b10011 🇫🇮 676 102 10ms 14 Jan 2023 840th bzijlema 🇳🇱 676 102 10ms 15 Oct 2024 840th moustave 676 102 11ms 25 Jun 2025 840th FoxInTheClouds 676 102 11ms 20 Feb 2026 840th edsrzf 🇳🇿 676 102 10ms 4 Mar 2026 840th madex 🇩🇪 676 102 10ms 15 Mar 2026 840th firegene 🇮🇪 676 102 10ms 24 days ago 840th Emutis 🇱🇹 676 102 11ms 15 days ago 840th flekAI 676 102 10ms 3 days ago 840th scpchicken 🇵🇼 676 102 10ms 2 days ago 840th BrunoVisnadi 🇧🇷 676 102 10ms 37 hours ago 851st HumanoidCPU 676 136 1ms 4 Mar 2025 852nd fabianrieder 675 114 488ms 6 Apr 2023 853rd prestosilver 🇺🇸 675 164 62ms 23 days ago 854th flekAI 674 154 112ms 3 days ago 855th jacobly0 🇺🇸 674 193 41ms 18 Sep 2025 856th alexsave 673 105 10ms 8 Nov 2024 856th acollett89 673 105 12ms 1 Aug 2025 856th LordSir101 673 105 11ms 16 Aug 2025 859th violeta-desantis 672 137 2ms 27 Sep 2023 860th MeWhenI 🇻🇦 672 246 8ms 30 Nov 2023 861st bac0id 671 159 424ms 26 Sep 2023 862nd msbranicky 671 165 74ms 20 Aug 2023 862nd Herbert00709 🇵🇱 671 165 69ms 15 Mar 2026 864th stefangimmillaro 670 67 40ms 26 Dec 2024 865th Yewzir 🇧🇪 670 87 975ms 15 Nov 2025 866th inventshah 670 92 557ms 21 Jan 2024 867th janbehrens 🇩🇪 670 103 11ms 23 Jun 2023 867th orthoplex 🇨🇽 670 103 10ms 25 Nov 2023 867th abc7-12 670 103 10ms 26 Jun 2024 867th Lv0Sys 🇵🇱 670 103 10ms 6 Dec 2025 867th FortuiteMan 🇫🇷 670 103 14ms 18 Dec 2025 872nd janbehrens 🇩🇪 670 115 445ms 23 Jun 2023 873rd SirBogman 🇺🇸 669 59 32ms 8 Sep 2022 874th albanian-laundromat 🇺🇸 669 350 12ms 12 days ago 875th SirBogman 🇺🇸 667 39 41ms 4 Oct 2022 876th zakariamouhid 667 106 11ms 14 May 2023 877th SirBogman 🇺🇸 667 150 38ms 4 Dec 2022 878th Schmitt-Very-Cool 667 160 471ms 30 Sep 2025 879th varhammer 666 152 7ms 7 Nov 2024 880th roavin 664 116 459ms 23 Jun 2022 First Prev 801–880 of 1,700 Next Last