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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 451st DialFrost 🇸🇬 831 90 130ms 3 Nov 2024 452nd prplz 🇦🇺 831 93 364ms 18 Jan 2022 452nd hemphen 831 93 346ms 28 Aug 2022 452nd feberhard 831 93 372ms 6 Apr 2023 452nd sean-niemann 🇺🇸 831 93 363ms 19 Apr 2025 456th emplv 🇱🇻 831 160 260ms 6 Jan 2023 456th KasperKivimaeki 🇫🇮 831 160 261ms 20 Oct 2025 458th jared-hughes 831 200 10ms 18 Dec 2024 459th Shanethegamer 🇺🇸 830 63 2ms 13 May 2023 460th pardouin 🇫🇷 830 71 981ms 2 Sep 2025 461st inventshah 830 92 505ms 21 Jan 2024 461st GolfingSuccess 🇬🇷 830 92 467ms 2 Mar 2024 463rd emplv 🇱🇻 830 101 4ms 3 Jul 2023 463rd stefangimmillaro 830 101 4ms 12 Oct 2023 463rd edsrzf 🇳🇿 830 101 5ms 7 Oct 2025 466th Shanethegamer 🇺🇸 828 107 132ms 24 May 2025 467th Alex-x90 🇺🇸 828 133 52ms 8 Aug 2023 467th Yewzir 🇧🇪 828 133 55ms 29 Nov 2023 467th albanian-laundromat 828 133 3ms 22 Sep 2025 470th acotis 828 146 189ms 30 May 2025 471st kg583 🇺🇸 827 127 8ms 17 Oct 2025 472nd Mandrzejy 🇵🇱 826 114 2ms 13 Sep 2024 472nd AZTECCO 826 114 2ms 16 Sep 2025 474th CLOStrophobic 🇮🇹 826 123 8ms 21 Jan 2025 475th quimey 825 107 9ms 7 Mar 2023 475th fourth-bit 825 107 10ms 10 Jul 2024 475th fuzzylojik-golf 🇺🇸 825 107 9ms 19 May 2025 475th solisolu 825 107 10ms 2 days ago 479th GrayJoKing 🇦🇺 824 99 4ms 20 Sep 2023 480th m-tkach 🇺🇦 823 130 340ms 25 Sep 2025 481st error256 822 66 36ms 8 May 2025 482nd annaproxy 822 94 357ms 19 Mar 2022 483rd MeWhenI 🇻🇦 822 102 4ms 26 Nov 2023 484th Frowny 821 53 40ms 11 Jan 2022 485th Shanethegamer 🇺🇸 821 93 512ms 16 Jan 2024 485th Yewzir 🇧🇪 821 93 518ms 22 Jun 2024 487th Mandrzejy 🇵🇱 821 134 56ms 13 Sep 2024 488th primo-ppcg 🇹🇭 820 164 27ms 25 Jun 2022 489th edsrzf 🇳🇿 819 93 3,055ms 1 Sep 2025 490th madex 🇩🇪 819 115 2ms 10 Apr 2022 490th FragmentedCurve 819 115 2ms 22 Nov 2023 490th mathisfun271 819 115 2ms 5 Feb 2024 493rd Shanethegamer 🇺🇸 819 124 7ms 27 Aug 2024 494th DialFrost 🇸🇬 819 286 137ms 22 Apr 2025 495th btnlq 818 125 20ms 12 Jan 2022 496th Steffan153 🇫🇮 817 57 4ms 6 Jan 2023 496th Natanaelel 🇸🇪 817 57 5ms 13 May 2023 498th prplz 🇦🇺 817 108 10ms 11 Jan 2022 498th galloj 🇨🇿 817 108 9ms 21 Sep 2022 498th TaserTheFox 🇺🇸 817 108 10ms 3 Apr 2023 498th jatloe 817 108 10ms 26 Aug 2024 498th cros107 🇦🇺 817 108 9ms 10 Aug 2025 503rd lynn 816 38 39ms 22 Jul 2022 503rd MeWhenI 🇻🇦 816 38 37ms 25 Aug 2022 503rd 5cw 🇺🇸 816 38 3ms 27 May 2024 506th albanian-laundromat 816 76 707ms 20 days ago 506th error256 816 76 720ms 6 days ago 508th itsh01 816 87 9ms 13 Mar 2022 508th AlephSquirrel 816 87 9ms 15 Feb 2023 508th danielphilpottwork 816 87 10ms 20 Dec 2023 508th Attero 🇸🇪 816 87 9ms 22 Dec 2023 512th DialFrost 🇸🇬 816 118 467ms 27 Nov 2024 513th kg583 🇺🇸 816 154 38ms 10 days ago 514th sean-niemann 🇺🇸 816 163 267ms 30 Aug 2023 514th Yewzir 🇧🇪 816 163 266ms 7 Feb 2024 514th CaedenHarper 🇨🇦 816 163 272ms 24 days ago 517th Irratix 🇳🇱 815 135 370ms 14 May 2022 518th janbehrens 🇩🇪 814 103 4ms 2 Jul 2023 519th frankgraziano 814 288 646ms 7 Aug 2025 520th CaedenHarper 🇨🇦 813 94 488ms 15 Aug 2025 521st plcc0 813 125 7ms 23 Mar 2025 522nd scpchicken 🇵🇼 812 55 126ms 13 Mar 2022 523rd jotslo 🇬🇧 812 107 2ms 17 Jul 2022 524th MeWhenI 🇻🇦 812 116 2ms 5 Jul 2024 525th chunes3 🇺🇸 811 100 70ms 15 Sep 2023 First Prev 451–525 of 1,551 Next Last
