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 320th Irratix 🇳🇱 866 102 13ms 5 Jul 2022 320th b10011 🇫🇮 866 102 10ms 14 Jan 2023 320th CornerMercury 🇬🇧 866 102 12ms 13 Sep 2023 320th ndren 866 102 10ms 4 Oct 2023 320th Just4FunCoder 866 102 11ms 17 Feb 2024 320th Yewzir 🇧🇪 866 102 11ms 22 Jun 2024 320th bzijlema 🇳🇱 866 102 10ms 15 Oct 2024 320th moustave 866 102 11ms 25 Jun 2025 320th Babafaba 866 102 12ms 28 Nov 2025 320th Flekay 🇩🇪 866 102 11ms 19 Feb 2026 320th FoxInTheClouds 866 102 11ms 20 Feb 2026 320th snoozingnewt 🇨🇦 866 102 10ms 20 Feb 2026 320th edsrzf 🇳🇿 866 102 10ms 4 Mar 2026 320th madex 🇩🇪 866 102 10ms 15 Mar 2026 320th firegene 🇮🇪 866 102 10ms 20 days ago 320th Emutis 🇱🇹 866 102 11ms 11 days ago 320th jusaka 866 102 10ms 10 days ago 320th flekAI 866 102 10ms 3 hours ago 339th edsrzf 🇳🇿 866 143 30ms 10 Feb 2026 340th nwellnhof 🇩🇪 865 54 5ms 22 May 2022 341st primo-ppcg 🇹🇭 865 151 42ms 26 Apr 2025 342nd edsrzf 🇳🇿 864 124 460ms 24 Sep 2025 342nd dokutan 864 124 491ms 24 Sep 2025 344th arjanadriaanse 🇳🇱 864 130 141ms 8 Feb 2022 344th annaproxy 864 130 144ms 8 Feb 2022 346th ovs-code 🇩🇪 863 63 40ms 9 May 2023 346th nwellnhof 🇩🇪 863 63 36ms 18 Jul 2023 348th JayXon 🇺🇸 863 172 1,775ms 22 Apr 2024 349th kg583 🇺🇸 862 119 8ms 10 Feb 2026 350th Shanethegamer 🇺🇸 861 36 2ms 16 Jan 2022 350th AlephSquirrel 861 36 45ms 29 Dec 2022 350th bstrat 861 36 2ms 1 Jul 2024 350th jusaka 861 36 3ms 2 days ago 354th rucin93 🇵🇱 861 102 2ms 10 Jul 2025 355th ovs-code 🇩🇪 861 129 87ms 10 Feb 2023 356th MeWhenI 🇻🇦 860 90 439ms 9 Aug 2023 357th edsrzf 🇳🇿 860 103 156ms 17 Oct 2025 358th Shanethegamer 🇺🇸 860 144 29ms 10 Feb 2026 359th primo-ppcg 🇹🇭 859 117 36ms 20 Jun 2022 360th ovs-code 🇩🇪 859 119 14ms 4 Jul 2024 360th GrayJoKing 🇦🇺 859 119 15ms 5 Jul 2024 362nd primo-ppcg 🇹🇭 858 95 4ms 21 Aug 2023 362nd Shanethegamer 🇺🇸 858 95 4ms 25 Mar 2024 362nd kg583 🇺🇸 858 95 4ms 10 Feb 2026 365th targrik 858 98 8ms 30 Jan 2025 366th SirBogman 🇺🇸 858 103 11ms 10 May 2022 366th janbehrens 🇩🇪 858 103 11ms 23 Jun 2023 366th FlorianCassayre 🇫🇷 858 103 10ms 9 Sep 2023 366th orthoplex 🇨🇽 858 103 10ms 25 Nov 2023 366th abc7-12 858 103 10ms 26 Jun 2024 366th KatieLG 🇬🇧 858 103 11ms 8 Jul 2024 366th Lv0Sys 🇵🇱 858 103 10ms 6 Dec 2025 366th FortuiteMan 🇫🇷 858 103 14ms 18 Dec 2025 374th Shanethegamer 🇺🇸 858 122 1,322ms 21 Apr 2022 375th Natanaelel 🇸🇪 858 131 148ms 18 May 2025 376th primo-ppcg 🇹🇭 857 61 2ms 19 Nov 2022 377th MeWhenI 🇻🇦 857 90 13ms 15 Jan 2025 378th CaedenHarper 🇨🇦 857 125 508ms 3 Oct 2025 379th m-tkach 🇺🇦 856 83 16ms 10 Jan 2022 379th trinityy-7 856 83 13ms 13 Mar 2024 379th penbuvt 856 83 12ms 7 Nov 2024 379th solisolu 856 83 11ms 4 days ago 383rd Alex-x90 🇺🇸 855 108 2ms 8 Aug 2023 384th Shanethegamer 🇺🇸 855 113 437ms 21 Apr 2022 384th Steffan153 🇫🇮 855 113 456ms 23 Jul 2024 384th sean-niemann 🇺🇸 855 113 469ms 23 Mar 2025 387th Shanethegamer 🇺🇸 855 120 15ms 14 Dec 2023 387th error256 855 120 7ms 10 Feb 2026 389th stefangimmillaro 855 156 316ms 20 Oct 2023 390th edsrzf 🇳🇿 854 69 739ms 11 days ago 391st snoozingnewt 🇨🇦 854 89 80ms 22 Nov 2025 392nd Shanethegamer 🇺🇸 854 126 2ms 10 Sep 2022 392nd inventshah 854 126 2ms 18 Sep 2022 394th GrayJoKing 🇦🇺 853 95 69ms 18 Sep 2023 395th MeWhenI 🇻🇦 853 103 2ms 13 Oct 2023 396th GrayJoKing 🇦🇺 853 118 7ms 25 Feb 2026 396th edsrzf 🇳🇿 853 118 6ms 5 Mar 2026 398th 386asm 🇺🇸 852 118 38ms 5 May 2023 399th the-zammers 851 132 140ms 1 Oct 2023 400th xsot 🇸🇬 849 55 3ms 6 Jul 2025 First Prev 321–400 of 1,655 Next Last