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 161st HPWiz 🇳🇿 897 59 40ms 28 Jun 2022 162nd error256 897 81 70ms 2 Mar 2025 162nd sean-niemann 🇺🇸 897 81 63ms 14 May 2025 164th SirBogman 🇺🇸 896 77 11ms 20 Nov 2022 164th FlorianCassayre 🇫🇷 896 77 10ms 11 Sep 2023 164th KatieLG 🇬🇧 896 77 10ms 14 Sep 2024 164th luuumine 🇫🇷 896 77 11ms 31 Oct 2025 168th DialFrost 🇸🇬 896 119 370ms 24 Sep 2025 168th Yewzir 🇧🇪 896 119 582ms 24 Sep 2025 168th namelessiw 896 119 399ms 7 Oct 2025 171st jared-hughes 895 79 10ms 12 Jan 2022 171st ZakkkkAttackkkk 🇵🇭 895 79 10ms 9 Jun 2022 171st ovs-code 🇩🇪 895 79 10ms 29 Sep 2023 171st uttumuttu 🇫🇮 895 79 10ms 21 Dec 2023 171st neel11235813 895 79 9ms 25 Mar 2024 171st levinwinter 895 79 9ms 21 Oct 2025 171st JOrE20 895 79 8ms 14 days ago 178th Shanethegamer 🇺🇸 894 93 6ms 13 Nov 2023 178th DialFrost 🇸🇬 894 93 6ms 28 Jul 2024 178th sean-niemann 🇺🇸 894 93 5ms 19 Apr 2025 181st xnor-gate 894 125 143ms 11 Jan 2022 182nd JayXon 🇺🇸 894 148 288ms 11 Nov 2023 183rd xsot 🇸🇬 892 65 787ms 15 days ago 183rd edsrzf 🇳🇿 892 65 787ms 92 mins ago 185th JayXon 🇺🇸 892 102 407ms 23 Jul 2025 185th edsrzf 🇳🇿 892 102 418ms 12 Sep 2025 187th DialFrost 🇸🇬 891 57 22ms 11 Jan 2025 188th GrayJoKing 🇦🇺 891 75 78ms 23 Jul 2024 188th DialFrost 🇸🇬 891 75 80ms 17 Mar 2025 188th sean-niemann 🇺🇸 891 75 79ms 6 Jul 2025 188th JayXon 🇺🇸 891 75 72ms 9 hours ago 188th Steffan153 🇫🇮 891 75 73ms 2 hours ago 193rd Steffan153 🇫🇮 890 96 7ms 24 May 2024 193rd edsrzf 🇳🇿 890 96 7ms 16 Aug 2025 193rd kg583 🇺🇸 890 96 7ms 22 days ago 196th canissimia 🇦🇶 889 74 31ms 13 Jul 2022 197th JayXon 🇺🇸 889 98 2ms 19 Feb 2024 197th sean-niemann 🇺🇸 889 98 2ms 19 Nov 2025 197th Steffan153 🇫🇮 889 98 2ms 2 hours ago 200th GrayJoKing 🇦🇺 888 64 5ms 17 Aug 2024 201st nwellnhof 🇩🇪 888 149 287ms 23 Jun 2023 202nd JayXon 🇺🇸 887 126 122ms 22 Jun 2024 203rd Steffan153 🇫🇮 886 82 69ms 20 Sep 2023 203rd Kacarott 🇦🇺 886 82 65ms 17 May 2024 205th edsrzf 🇳🇿 885 74 4ms 18 Nov 2025 206th TFeld00 🇩🇰 884 78 10ms 19 May 2022 206th lifthrasiir 🇰🇷 884 78 11ms 20 Nov 2024 206th qpwoeirut 884 78 11ms 1 Oct 2025 209th janbehrens 🇩🇪 884 80 10ms 24 Nov 2022 209th DayDun 🇸🇪 884 80 10ms 22 Jan 2023 209th tayloia 🇬🇧 884 80 10ms 16 May 2023 209th voytxt 🇨🇿 884 80 9ms 4 Feb 2024 209th Salutations45 884 80 9ms 27 Nov 2024 209th emgordon154 884 80 10ms 16 Feb 2025 209th Lv0Sys 🇵🇱 884 80 10ms 5 days ago 216th Steffan153 🇫🇮 884 87 459ms 21 Aug 2024 217th KasperKivimaeki 🇫🇮 884 124 439ms 30 Jul 2025 218th JayXon 🇺🇸 882 117 101ms 21 May 2023 219th GrayJoKing 🇦🇺 881 48 140ms 4 Dec 2022 219th edsrzf 🇳🇿 881 48 129ms 16 Jan 2026 221st ScottHamper 881 121 484ms 30 Nov 2025 222nd kg583 🇺🇸 880 70 463ms 20 Feb 2024 223rd pardouin 🇫🇷 879 80 2,206ms 3 hours ago 224th marshallward 🇺🇸 878 148 39ms 6 May 2025 224th SirBogman 🇺🇸 878 148 41ms 3 Jun 2025 226th Lydxn 🇨🇦 877 86 108ms 26 Feb 2023 227th edsrzf 🇳🇿 877 92 5ms 24 Jul 2025 228th ovs-code 🇩🇪 876 105 1ms 17 Feb 2024 229th JayXon 🇺🇸 876 109 474ms 24 Jul 2024 230th edsrzf 🇳🇿 876 151 278ms 1 Sep 2025 231st Steffan153 🇫🇮 875 95 6ms 8 Aug 2024 232nd sisyphus-ppcg 🇦🇺 875 104 8ms 19 Jul 2022 232nd m-tkach 🇺🇦 875 104 7ms 29 Mar 2023 232nd UnderKoen 🇳🇱 875 104 8ms 20 Apr 2023 235th canissimia 🇦🇶 875 105 4ms 11 Jan 2022 236th edsrzf 🇳🇿 875 122 3ms 18 mins ago 237th Yax42 🇫🇷 874 122 493ms 8 Oct 2025 238th GrayJoKing 🇦🇺 873 75 3ms 1 Nov 2023 239th quimey 873 79 10ms 16 Mar 2023 239th jatloe 873 79 10ms 26 Aug 2024 First Prev 161–240 of 1,600 Next Last