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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 801st stefangimmillaro 746 102 107ms 19 Oct 2022 802nd Shanethegamer 🇺🇸 746 111 106ms 4 Dec 2025 803rd MeWhenI 🇻🇦 745 123 369ms 30 Jan 2023 804th djeedjay 🇳🇱 745 124 1ms 16 Sep 2022 805th BlankSpruce 745 149 60ms 16 Jan 2022 806th lacrosse 744 73 35ms 28 Nov 2025 807th dokutan 744 79 994ms 8 Sep 2025 808th primo-ppcg 🇹🇭 744 144 419ms 4 Apr 2022 808th Lydxn 🇨🇦 744 144 435ms 5 Apr 2022 808th rotary-o 🇯🇵 744 144 457ms 5 May 2023 808th Jacob385 744 144 547ms 28 Oct 2025 812th HumanoidCPU 744 179 279ms 3 Mar 2025 813th BREMAUCY 🇫🇷 744 316 13ms 15 Dec 2025 814th MeWhenI 🇻🇦 742 96 130ms 25 Oct 2024 815th RYNO8 742 119 10ms 18 Feb 2022 815th eshilo-draper 742 119 10ms 10 Oct 2022 815th georgehulme 742 119 9ms 12 Oct 2022 815th Omega65536 🇩🇪 742 119 10ms 24 Nov 2022 815th Ripick 742 119 10ms 2 Feb 2023 815th Ythaenagor 742 119 9ms 5 Aug 2024 815th PyryL 🇫🇮 742 119 10ms 20 Aug 2024 815th JunkIce 742 119 9ms 25 Nov 2024 815th Stockoh 🇫🇷 742 119 10ms 13 Feb 2025 815th Alban-Boissard 742 119 10ms 14 Jun 2025 825th emplv 🇱🇻 742 182 25ms 31 Oct 2022 826th madex 🇩🇪 741 96 2,855ms 25 hours ago 827th MeWhenI 🇻🇦 741 138 7ms 9 May 2024 828th BambooleanLogic 🇸🇪 740 96 10ms 20 Aug 2022 828th vroup 🇩🇰 740 96 10ms 2 Oct 2022 828th Ultra814 740 96 12ms 17 Aug 2025 831st dokutan 740 102 465ms 13 Aug 2024 832nd edsrzf 🇳🇿 740 164 324ms 29 Jul 2025 833rd weliveinhell 🇭🇹 740 180 300ms 4 Oct 2023 833rd emgordon154 740 180 281ms 20 Feb 2025 835th jupj 🇫🇮 739 125 2ms 31 Aug 2022 836th KenanSi 738 42 2ms 24 Feb 2022 836th Natanaelel 🇸🇪 738 42 2ms 21 Jun 2022 836th GolfingSuccess 🇬🇷 738 42 2ms 31 Dec 2022 839th SirBogman 🇺🇸 738 59 32ms 8 Sep 2022 840th billings7 🇬🇧 737 105 428ms 12 Nov 2023 840th MiffOttah 737 105 422ms 28 Nov 2024 842nd fkantelberg 736 120 10ms 18 Jul 2023 842nd Bmrl7 736 120 10ms 29 Feb 2024 842nd elgan65536 🇺🇸 736 120 16ms 1 Apr 2024 842nd robin-scragg 736 120 10ms 25 Jul 2025 846th emgordon154 736 139 9ms 20 Feb 2025 847th JRaspass 🇬🇧 736 181 295ms 23 Sep 2022 848th retrohun 735 151 63ms 30 Dec 2022 848th annaproxy 735 151 66ms 5 Jan 2023 850th Waffle3z 734 74 36ms 12 Jan 2022 850th olleicua 🇺🇸 734 74 37ms 16 Feb 2024 850th emgordon154 734 74 36ms 25 Jun 2024 853rd yzhs 🇩🇪 734 153 146ms 25 Jun 2023 854th SirBogman 🇺🇸 734 320 14ms 21 May 2022 855th KatieLG 🇬🇧 733 103 459ms 27 Oct 2024 856th bac0id 733 126 1ms 3 Jul 2024 857th Yewzir 🇧🇪 733 137 35ms 28 Nov 2023 858th dokutan 732 97 12ms 5 Jun 2025 858th iczelia 🇩🇪 732 97 12ms 26 Sep 2025 858th johnkiernander 732 97 10ms 14 Dec 2025 861st ericlangedijk 🇸🇮 730 106 421ms 19 Mar 2022 862nd Natanaelel 🇸🇪 730 121 9ms 12 Jan 2022 862nd NerdyMcNerd42 730 121 10ms 20 Aug 2022 862nd Kloppermand 🇩🇰 730 121 9ms 3 Oct 2022 862nd ehulinsky 🇺🇸 730 121 16ms 15 May 2023 862nd AbhilashaTandon 730 121 10ms 21 Sep 2023 862nd davecame 730 121 10ms 2 Oct 2023 862nd gussy420 730 121 9ms 23 Oct 2023 862nd tobyLovick 730 121 10ms 13 Dec 2023 870th jared-hughes 730 152 465ms 24 Jun 2022 870th Betuaredead 730 152 454ms 7 Jan 2023 872nd Shanethegamer 🇺🇸 728 138 38ms 6 Sep 2022 873rd mlugg 728 203 1,617ms 10 Aug 2024 874th MeWhenI 🇻🇦 726 72 2ms 13 Nov 2022 875th MeWhenI 🇻🇦 726 81 990ms 15 Sep 2025 876th commandz0 🇺🇸 726 104 485ms 1 Sep 2025 877th jared-hughes 725 75 38ms 9 Sep 2022 878th krcs 🇵🇱 725 98 9ms 2 May 2022 878th stefangimmillaro 725 98 10ms 12 Sep 2024 880th dokutan 725 153 67ms 8 Nov 2025 First Prev 801–880 of 1,617 Next Last