ISBN in all languages in bytes. 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 Bytes Time Submitted 81st Steffan153 🇫🇮 933 81 633ms 5 Mar 2026 81st JayXon 🇺🇸 933 81 618ms 10 Mar 2026 83rd namelessiw 933 83 503ms 1 Aug 2025 84th GrayJoKing 🇦🇺 932 48 154ms 4 Dec 2022 84th Steffan153 🇫🇮 932 48 152ms 4 Dec 2022 84th SirFireball3521 932 48 147ms 10 Feb 2023 84th edsrzf 🇳🇿 932 48 141ms 16 Jan 2026 88th nwellnhof 🇩🇪 926 120 60ms 23 Jun 2023 88th JayXon 🇺🇸 926 120 62ms 6 Mar 2026 90th JayXon 🇺🇸 925 94 2ms 21 May 2023 90th edsrzf 🇳🇿 925 94 2ms 24 Nov 2025 92nd KasperKivimaeki 🇫🇮 924 100 1ms 19 Jul 2024 93rd rucin93 🇵🇱 924 116 389ms 24 Sep 2025 93rd sean-niemann 🇺🇸 924 116 472ms 24 Sep 2025 93rd JayXon 🇺🇸 924 116 485ms 25 Sep 2025 93rd nwellnhof 🇩🇪 924 116 456ms 25 Sep 2025 93rd MeWhenI 🇻🇦 924 116 386ms 7 Nov 2025 93rd Steffan153 🇫🇮 924 116 364ms 11 Feb 2026 99th NewDefectus 🇮🇱 923 77 11ms 11 Jan 2022 99th dmrichwa 🇺🇸 923 77 12ms 27 Oct 2022 99th stefangabos 🇷🇴 923 77 11ms 19 May 2023 99th sebipopa 🇷🇴 923 77 11ms 22 May 2023 99th Shanethegamer 🇺🇸 923 77 11ms 4 Jul 2023 99th coreynash 923 77 12ms 19 Oct 2023 99th emgordon154 923 77 10ms 18 Mar 2026 106th GrayJoKing 🇦🇺 923 109 38ms 28 Jun 2024 107th JayXon 🇺🇸 922 64 1,456ms 22 Jun 2024 108th Yax42 🇫🇷 922 84 498ms 31 Jan 2025 109th GrayJoKing 🇦🇺 921 82 480ms 21 Jun 2024 109th pardouin 🇫🇷 921 82 639ms 4 Mar 2026 111th Steffan153 🇫🇮 920 63 5ms 5 Mar 2026 112th Steffan153 🇫🇮 920 64 1,021ms 5 Mar 2026 113th bizy-coder 920 96 13ms 11 Mar 2026 114th edsrzf 🇳🇿 918 111 6ms 27 Nov 2025 115th o0lit3 🇺🇸 916 51 4ms 11 Jan 2022 116th HPWiz 🇳🇿 916 59 40ms 28 Jun 2022 117th stefangimmillaro 916 117 363ms 6 Oct 2025 118th Lydxn 🇨🇦 915 95 2ms 26 Feb 2023 118th Steffan153 🇫🇮 915 95 2ms 9 Apr 2023 118th GrayJoKing 🇦🇺 915 95 2ms 18 Jul 2024 118th FlyingPenguin223 915 95 2ms 27 Oct 2024 118th frosster 🇨🇦 915 95 2ms 8 Feb 2026 123rd JayXon 🇺🇸 915 101 1ms 21 May 2023 123rd nwellnhof 🇩🇪 915 101 1ms 23 Jun 2023 125th JayXon 🇺🇸 914 78 2,492ms 5 Mar 2026 126th xsot 🇸🇬 914 92 5ms 22 May 2025 127th MeWhenI 🇻🇦 914 143 39ms 29 Apr 2025 127th stefangimmillaro 914 143 39ms 10 Jul 2025 129th SirBogman 🇺🇸 913 49 152ms 10 May 2022 129th ovs-code 🇩🇪 913 49 150ms 10 Feb 2023 131st ovs-code 🇩🇪 912 34 41ms 14 May 2024 132nd duckyluuk 🇳🇱 911 78 11ms 4 Oct 2024 132nd targrik 911 78 10ms 13 Feb 2025 132nd Yax42 🇫🇷 911 78 13ms 13 Nov 2025 135th nwellnhof 🇩🇪 911 97 10ms 18 Jul 2023 135th ovs-code 🇩🇪 911 97 18ms 5 Jul 2024 135th 4atj 911 97 19ms 30 Jun 2025 138th tailorspy 911 122 64ms 11 Jul 2024 138th snyderek 🇺🇸 911 122 54ms 20 Jul 2024 138th zygoloid 911 122 61ms 7 Aug 2024 141st Bubbler-4 909 48 33ms 15 Nov 2022 141st stackofbears 909 48 32ms 27 Dec 2023 141st 2bular 909 48 33ms 8 Mar 2026 144th JayXon 🇺🇸 908 84 119ms 4 Mar 2026 144th Steffan153 🇫🇮 908 84 106ms 5 Mar 2026 144th edsrzf 🇳🇿 908 84 115ms 5 Mar 2026 147th Shanethegamer 🇺🇸 908 118 386ms 24 Sep 2025 148th Shanethegamer 🇺🇸 907 124 121ms 16 Jan 2022 148th lynn 907 124 124ms 16 Jan 2022 148th Sakisan 🇧🇪 907 124 126ms 12 Oct 2022 148th HPWiz 🇳🇿 907 124 120ms 31 Jan 2023 148th ovs-code 🇩🇪 907 124 125ms 13 May 2023 148th Lydxn 🇨🇦 907 124 125ms 3 Aug 2023 148th edsrzf 🇳🇿 907 124 118ms 19 Dec 2025 148th JayXon 🇺🇸 907 124 139ms 5 Mar 2026 156th JayXon 🇺🇸 907 134 163ms 1 Nov 2025 156th kumavale 907 134 173ms 1 Nov 2025 158th DialFrost 🇸🇬 906 57 21ms 11 Jan 2025 159th xsot 🇸🇬 906 65 1,078ms 17 Feb 2026 159th edsrzf 🇳🇿 906 65 1,048ms 5 Mar 2026 First Prev 81–160 of 1,700 Next Last