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 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 Calendar 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 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 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 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 Calendar 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 451st JayXon 🇺🇸 835 98 77ms 9 Apr 2023 452nd jacobly0 🇺🇸 835 104 2ms 11 Sep 2023 453rd drabart 🇵🇱 834 132 58ms 16 Dec 2023 454th Bulmenisaurus 833 106 10ms 2 Feb 2025 455th Yewzir 🇧🇪 833 113 2ms 29 Nov 2023 455th drabart 🇵🇱 833 113 2ms 18 Dec 2023 457th dcgjb 831 67 259ms 14 Feb 2024 458th DialFrost 🇸🇬 831 90 129ms 3 Nov 2024 459th prplz 🇦🇺 831 93 363ms 18 Jan 2022 459th hemphen 831 93 342ms 28 Aug 2022 459th feberhard 831 93 362ms 6 Apr 2023 459th sean-niemann 🇺🇸 831 93 401ms 19 Apr 2025 463rd emplv 🇱🇻 831 160 257ms 6 Jan 2023 463rd KasperKivimaeki 🇫🇮 831 160 285ms 20 Oct 2025 465th jared-hughes 831 200 10ms 18 Dec 2024 466th Shanethegamer 🇺🇸 830 63 2ms 13 May 2023 467th pardouin 🇫🇷 830 71 981ms 2 Sep 2025 468th inventshah 830 92 406ms 21 Jan 2024 468th GolfingSuccess 🇬🇷 830 92 391ms 2 Mar 2024 470th emplv 🇱🇻 830 101 5ms 3 Jul 2023 470th stefangimmillaro 830 101 5ms 12 Oct 2023 470th edsrzf 🇳🇿 830 101 5ms 7 Oct 2025 473rd Shanethegamer 🇺🇸 828 107 122ms 24 May 2025 474th Alex-x90 🇺🇸 828 133 56ms 8 Aug 2023 474th Yewzir 🇧🇪 828 133 56ms 29 Nov 2023 474th albanian-laundromat 828 133 3ms 22 Sep 2025 477th acotis 828 146 174ms 30 May 2025 478th Mandrzejy 🇵🇱 826 114 2ms 13 Sep 2024 478th AZTECCO 826 114 2ms 16 Sep 2025 480th CLOStrophobic 🇮🇹 826 123 8ms 21 Jan 2025 481st quimey 825 107 10ms 7 Mar 2023 481st fourth-bit 825 107 9ms 10 Jul 2024 481st fuzzylojik-golf 🇺🇸 825 107 10ms 19 May 2025 481st solisolu 825 107 10ms 18 days ago 485th GrayJoKing 🇦🇺 824 99 4ms 20 Sep 2023 486th m-tkach 🇺🇦 824 130 609ms 25 Sep 2025 487th error256 823 66 32ms 8 May 2025 488th annaproxy 822 94 350ms 19 Mar 2022 489th MeWhenI 🇻🇦 822 102 5ms 26 Nov 2023 490th DialFrost 🇸🇬 822 286 140ms 22 Apr 2025 491st Frowny 821 53 32ms 11 Jan 2022 492nd Shanethegamer 🇺🇸 821 93 455ms 16 Jan 2024 492nd Yewzir 🇧🇪 821 93 451ms 22 Jun 2024 494th Mandrzejy 🇵🇱 821 134 57ms 13 Sep 2024 495th primo-ppcg 🇹🇭 820 164 25ms 25 Jun 2022 496th edsrzf 🇳🇿 819 93 2,974ms 1 Sep 2025 497th madex 🇩🇪 819 115 2ms 10 Apr 2022 497th FragmentedCurve 819 115 2ms 22 Nov 2023 497th mathisfun271 819 115 2ms 5 Feb 2024 500th Shanethegamer 🇺🇸 819 124 6ms 27 Aug 2024 501st btnlq 818 125 13ms 12 Jan 2022 502nd Steffan153 🇫🇮 817 57 3ms 6 Jan 2023 502nd Natanaelel 🇸🇪 817 57 3ms 13 May 2023 504th prplz 🇦🇺 817 108 10ms 11 Jan 2022 504th galloj 🇨🇿 817 108 10ms 21 Sep 2022 504th TaserTheFox 🇺🇸 817 108 9ms 3 Apr 2023 504th jatloe 817 108 10ms 26 Aug 2024 504th cros107 🇦🇺 817 108 10ms 10 Aug 2025 509th lynn 816 38 38ms 22 Jul 2022 509th MeWhenI 🇻🇦 816 38 40ms 25 Aug 2022 509th 5cw 🇺🇸 816 38 2ms 27 May 2024 512th albanian-laundromat 816 76 702ms 7 Nov 2025 512th error256 816 76 717ms 22 days ago 514th itsh01 816 87 9ms 13 Mar 2022 514th AlephSquirrel 816 87 9ms 15 Feb 2023 514th danielphilpottwork 816 87 9ms 20 Dec 2023 514th Attero 🇸🇪 816 87 10ms 22 Dec 2023 518th DialFrost 🇸🇬 816 118 467ms 27 Nov 2024 519th kg583 🇺🇸 816 154 42ms 26 days ago 520th sean-niemann 🇺🇸 816 163 267ms 30 Aug 2023 520th Yewzir 🇧🇪 816 163 264ms 7 Feb 2024 520th CaedenHarper 🇨🇦 816 163 264ms 2 Nov 2025 523rd frankgraziano 816 288 664ms 7 Aug 2025 524th Irratix 🇳🇱 815 135 379ms 14 May 2022 525th janbehrens 🇩🇪 814 103 5ms 2 Jul 2023 First Prev 451–525 of 1,562 Next Last
