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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 318th CornerMercury 🇬🇧 866 102 9ms 13 Sep 2023 318th ndren 866 102 10ms 4 Oct 2023 318th Just4FunCoder 866 102 9ms 17 Feb 2024 318th Yewzir 🇧🇪 866 102 10ms 22 Jun 2024 318th bzijlema 🇳🇱 866 102 10ms 15 Oct 2024 318th moustave 866 102 10ms 25 Jun 2025 318th Babafaba 866 102 10ms 28 Nov 2025 318th Flekay 🇩🇪 866 102 11ms 26 days ago 318th FoxInTheClouds 866 102 10ms 25 days ago 318th snoozingnewt 🇨🇦 866 102 10ms 25 days ago 318th edsrzf 🇳🇿 866 102 11ms 13 days ago 318th madex 🇩🇪 866 102 10ms 2 days ago 333rd primo-ppcg 🇹🇭 865 151 42ms 26 Apr 2025 334th nwellnhof 🇩🇪 864 54 4ms 22 May 2022 335th HumanoidCPU 864 120 110ms 3 Mar 2025 336th edsrzf 🇳🇿 864 124 488ms 24 Sep 2025 336th dokutan 864 124 491ms 24 Sep 2025 338th arjanadriaanse 🇳🇱 864 130 141ms 8 Feb 2022 338th annaproxy 864 130 144ms 8 Feb 2022 340th ovs-code 🇩🇪 863 63 40ms 9 May 2023 340th nwellnhof 🇩🇪 863 63 36ms 18 Jul 2023 342nd Shanethegamer 🇺🇸 861 36 2ms 16 Jan 2022 342nd AlephSquirrel 861 36 48ms 29 Dec 2022 342nd bstrat 861 36 2ms 1 Jul 2024 345th rucin93 🇵🇱 861 102 2ms 10 Jul 2025 346th edsrzf 🇳🇿 861 143 30ms 10 Feb 2026 347th MeWhenI 🇻🇦 860 90 544ms 9 Aug 2023 348th edsrzf 🇳🇿 860 103 156ms 17 Oct 2025 349th edsrzf 🇳🇿 860 119 8ms 2 Mar 2025 349th kg583 🇺🇸 860 119 9ms 10 Feb 2026 351st ovs-code 🇩🇪 860 129 61ms 10 Feb 2023 352nd primo-ppcg 🇹🇭 859 117 36ms 20 Jun 2022 353rd ovs-code 🇩🇪 859 119 15ms 4 Jul 2024 353rd GrayJoKing 🇦🇺 859 119 15ms 5 Jul 2024 355th JayXon 🇺🇸 859 172 1,775ms 22 Apr 2024 356th primo-ppcg 🇹🇭 858 95 4ms 21 Aug 2023 356th Shanethegamer 🇺🇸 858 95 4ms 25 Mar 2024 356th kg583 🇺🇸 858 95 4ms 10 Feb 2026 359th Shanethegamer 🇺🇸 858 122 1,448ms 21 Apr 2022 360th Natanaelel 🇸🇪 858 131 148ms 18 May 2025 361st primo-ppcg 🇹🇭 857 61 2ms 19 Nov 2022 362nd MeWhenI 🇻🇦 857 90 16ms 15 Jan 2025 363rd targrik 857 98 6ms 30 Jan 2025 364th SirBogman 🇺🇸 857 103 10ms 10 May 2022 364th janbehrens 🇩🇪 857 103 9ms 23 Jun 2023 364th FlorianCassayre 🇫🇷 857 103 9ms 9 Sep 2023 364th orthoplex 🇨🇽 857 103 10ms 25 Nov 2023 364th abc7-12 857 103 10ms 26 Jun 2024 364th KatieLG 🇬🇧 857 103 10ms 8 Jul 2024 364th Lv0Sys 🇵🇱 857 103 11ms 6 Dec 2025 364th FortuiteMan 🇫🇷 857 103 10ms 18 Dec 2025 364th firegene 🇮🇪 857 103 10ms 17 days ago 364th Emutis 🇱🇹 857 103 10ms 8 days ago 374th CaedenHarper 🇨🇦 857 125 544ms 3 Oct 2025 375th m-tkach 🇺🇦 856 83 10ms 10 Jan 2022 375th trinityy-7 856 83 11ms 13 Mar 2024 375th penbuvt 856 83 11ms 7 Nov 2024 378th Alex-x90 🇺🇸 855 108 2ms 8 Aug 2023 379th Shanethegamer 🇺🇸 855 144 29ms 10 Feb 2026 380th snoozingnewt 🇨🇦 854 89 80ms 22 Nov 2025 381st Shanethegamer 🇺🇸 854 126 2ms 10 Sep 2022 381st inventshah 854 126 2ms 18 Sep 2022 383rd stefangimmillaro 854 156 291ms 20 Oct 2023 384th GrayJoKing 🇦🇺 853 95 69ms 18 Sep 2023 385th MeWhenI 🇻🇦 853 103 2ms 13 Oct 2023 386th Shanethegamer 🇺🇸 853 113 437ms 21 Apr 2022 386th Steffan153 🇫🇮 853 113 456ms 23 Jul 2024 386th sean-niemann 🇺🇸 853 113 469ms 23 Mar 2025 389th GrayJoKing 🇦🇺 853 118 61ms 20 days ago 389th edsrzf 🇳🇿 853 118 6ms 12 days ago 391st 386asm 🇺🇸 852 118 38ms 5 May 2023 392nd Shanethegamer 🇺🇸 852 120 15ms 14 Dec 2023 392nd error256 852 120 7ms 10 Feb 2026 394th the-zammers 851 132 140ms 1 Oct 2023 395th sisyphus-ppcg 🇦🇺 849 64 40ms 11 Jan 2022 395th GrayJoKing 🇦🇺 849 64 38ms 10 Feb 2022 397th VictorFordham 849 104 10ms 20 Feb 2023 397th Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 397th mathisfun271 849 104 9ms 5 Feb 2024 397th EnTerr 849 104 10ms 8 Sep 2024 First Prev 321–400 of 1,616 Next Last