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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 Bytes Time Submitted 310th Babafaba 866 102 9ms 28 Nov 2025 322nd MeWhenI 🇻🇦 865 90 116ms 20 Oct 2022 323rd primo-ppcg 🇹🇭 864 97 6ms 4 Jul 2023 324th prplz 🇦🇺 864 109 1ms 18 Jan 2022 324th xsot 🇸🇬 864 109 2ms 1 Feb 2024 326th edsrzf 🇳🇿 864 124 442ms 24 Sep 2025 326th dokutan 864 124 359ms 24 Sep 2025 328th arjanadriaanse 🇳🇱 864 130 141ms 8 Feb 2022 328th annaproxy 864 130 144ms 8 Feb 2022 330th nwellnhof 🇩🇪 862 54 4ms 22 May 2022 331st ovs-code 🇩🇪 862 63 36ms 9 May 2023 331st nwellnhof 🇩🇪 862 63 36ms 18 Jul 2023 333rd primo-ppcg 🇹🇭 862 151 43ms 26 Apr 2025 334th Shanethegamer 🇺🇸 861 36 3ms 16 Jan 2022 334th AlephSquirrel 861 36 41ms 29 Dec 2022 334th bstrat 861 36 2ms 1 Jul 2024 337th DialFrost 🇸🇬 861 72 746ms 4 Sep 2025 337th sean-niemann 🇺🇸 861 72 711ms 16 Sep 2025 339th rucin93 🇵🇱 861 102 2ms 10 Jul 2025 340th kg583 🇺🇸 861 122 8ms 30 Nov 2025 341st MeWhenI 🇻🇦 860 90 400ms 9 Aug 2023 342nd edsrzf 🇳🇿 860 103 117ms 17 Oct 2025 343rd prplz 🇦🇺 860 128 56ms 19 Jan 2022 344th lynn 860 148 29ms 18 Jul 2023 345th ovs-code 🇩🇪 859 119 14ms 4 Jul 2024 345th GrayJoKing 🇦🇺 859 119 14ms 5 Jul 2024 347th JayXon 🇺🇸 859 172 1,775ms 22 Apr 2024 348th ovs-code 🇩🇪 858 89 434ms 5 Jul 2024 348th Steffan153 🇫🇮 858 89 501ms 7 Aug 2024 350th primo-ppcg 🇹🇭 858 95 4ms 21 Aug 2023 350th Shanethegamer 🇺🇸 858 95 4ms 25 Mar 2024 352nd primo-ppcg 🇹🇭 858 117 39ms 20 Jun 2022 353rd Shanethegamer 🇺🇸 858 122 1,318ms 21 Apr 2022 354th Natanaelel 🇸🇪 858 131 148ms 18 May 2025 355th primo-ppcg 🇹🇭 857 61 2ms 19 Nov 2022 356th MeWhenI 🇻🇦 857 84 8ms 2 Aug 2023 357th MeWhenI 🇻🇦 857 90 12ms 15 Jan 2025 358th SirBogman 🇺🇸 857 103 9ms 10 May 2022 358th janbehrens 🇩🇪 857 103 9ms 23 Jun 2023 358th FlorianCassayre 🇫🇷 857 103 9ms 9 Sep 2023 358th orthoplex 🇨🇽 857 103 10ms 25 Nov 2023 358th abc7-12 857 103 9ms 26 Jun 2024 358th KatieLG 🇬🇧 857 103 10ms 8 Jul 2024 358th madex 🇩🇪 857 103 10ms 7 Aug 2025 358th snoozingnewt 🇨🇦 857 103 10ms 22 Nov 2025 358th Lv0Sys 🇵🇱 857 103 10ms 6 Dec 2025 358th FortuiteMan 🇫🇷 857 103 11ms 17 days ago 368th CaedenHarper 🇨🇦 857 125 620ms 3 Oct 2025 369th m-tkach 🇺🇦 856 83 12ms 10 Jan 2022 369th trinityy-7 856 83 10ms 13 Mar 2024 369th penbuvt 856 83 11ms 7 Nov 2024 372nd Irratix 🇳🇱 856 110 2ms 14 May 2022 372nd speles 🇺🇦 856 110 2ms 29 Oct 2023 374th targrik 855 98 5ms 30 Jan 2025 375th snoozingnewt 🇨🇦 854 89 79ms 22 Nov 2025 376th clockworknazo 854 129 3ms 18 Sep 2022 377th GrayJoKing 🇦🇺 853 95 69ms 18 Sep 2023 378th MeWhenI 🇻🇦 853 103 2ms 13 Oct 2023 379th Shanethegamer 🇺🇸 853 113 457ms 21 Apr 2022 379th Steffan153 🇫🇮 853 113 446ms 23 Jul 2024 379th sean-niemann 🇺🇸 853 113 465ms 23 Mar 2025 382nd ovs-code 🇩🇪 853 129 61ms 10 Feb 2023 383rd stefangimmillaro 853 156 267ms 20 Oct 2023 384th frosster 852 102 2ms 26 Mar 2025 385th the-zammers 851 132 140ms 1 Oct 2023 386th 386asm 🇺🇸 850 118 39ms 5 May 2023 387th sisyphus-ppcg 🇦🇺 849 64 37ms 11 Jan 2022 387th GrayJoKing 🇦🇺 849 64 37ms 10 Feb 2022 389th m-tkach 🇺🇦 849 90 422ms 21 Jan 2024 389th sean-niemann 🇺🇸 849 90 474ms 28 Jan 2025 391st VictorFordham 849 104 10ms 20 Feb 2023 391st Alex-x90 🇺🇸 849 104 9ms 3 Aug 2023 391st mathisfun271 849 104 10ms 5 Feb 2024 391st EnTerr 849 104 9ms 8 Sep 2024 391st KasperKivimaeki 🇫🇮 849 104 10ms 11 Jul 2025 391st luuumine 🇫🇷 849 104 10ms 31 Oct 2025 397th ZakkkkAttackkkk 🇵🇭 849 111 2ms 9 Nov 2023 397th Szum123321 🇵🇱 849 111 2ms 9 Dec 2023 397th DialFrost 🇸🇬 849 111 1ms 20 Dec 2024 400th edsrzf 🇳🇿 849 148 41ms 27 Nov 2025 First Prev 321–400 of 1,574 Next Last