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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 480th kg583 🇺🇸 827 123 8ms 20 days ago 482nd quimey 825 107 10ms 7 Mar 2023 482nd fourth-bit 825 107 10ms 10 Jul 2024 482nd fuzzylojik-golf 🇺🇸 825 107 10ms 19 May 2025 482nd solisolu 825 107 10ms 25 Nov 2025 486th Shanethegamer 🇺🇸 825 112 2ms 20 Apr 2022 487th GrayJoKing 🇦🇺 824 99 4ms 20 Sep 2023 488th m-tkach 🇺🇦 824 130 544ms 25 Sep 2025 489th error256 823 66 34ms 8 May 2025 490th annaproxy 823 94 428ms 19 Mar 2022 491st primo-ppcg 🇹🇭 823 164 25ms 25 Jun 2022 492nd Frowny 822 53 32ms 11 Jan 2022 493rd MeWhenI 🇻🇦 822 102 6ms 26 Nov 2023 494th Irratix 🇳🇱 822 135 460ms 14 May 2022 495th DialFrost 🇸🇬 822 286 140ms 22 Apr 2025 495th frankgraziano 822 286 651ms 31 Jan 2026 497th inventshah 821 92 474ms 21 Jan 2024 497th GolfingSuccess 🇬🇷 821 92 402ms 2 Mar 2024 499th Shanethegamer 🇺🇸 821 124 6ms 27 Aug 2024 500th jared-hughes 821 200 8ms 18 Dec 2024 501st Steffan153 🇫🇮 819 57 3ms 6 Jan 2023 501st Natanaelel 🇸🇪 819 57 4ms 13 May 2023 503rd prplz 🇦🇺 818 108 10ms 11 Jan 2022 503rd galloj 🇨🇿 818 108 10ms 21 Sep 2022 503rd TaserTheFox 🇺🇸 818 108 9ms 3 Apr 2023 503rd jatloe 818 108 10ms 26 Aug 2024 503rd cros107 🇦🇺 818 108 10ms 10 Aug 2025 508th btnlq 818 125 14ms 12 Jan 2022 509th Yewzir 🇧🇪 817 113 2ms 29 Nov 2023 509th drabart 🇵🇱 817 113 2ms 18 Dec 2023 511th emgordon154 817 181 1,625ms 22 Dec 2025 512th lynn 816 38 38ms 22 Jul 2022 512th MeWhenI 🇻🇦 816 38 41ms 25 Aug 2022 512th 5cw 🇺🇸 816 38 2ms 27 May 2024 512th emgordon154 816 38 4ms 3 days ago 516th DialFrost 🇸🇬 816 72 755ms 4 Sep 2025 517th itsh01 816 87 10ms 13 Mar 2022 517th AlephSquirrel 816 87 10ms 15 Feb 2023 517th danielphilpottwork 816 87 11ms 20 Dec 2023 517th stefangimmillaro 816 87 2,291ms 24 Nov 2024 517th emgordon154 816 87 2,364ms 6 Mar 2025 522nd DialFrost 🇸🇬 816 118 461ms 27 Nov 2024 523rd Shanethegamer 🇺🇸 816 136 62ms 20 Apr 2022 524th kg583 🇺🇸 816 154 38ms 17 Nov 2025 525th sean-niemann 🇺🇸 816 163 307ms 30 Aug 2023 525th Yewzir 🇧🇪 816 163 288ms 7 Feb 2024 525th CaedenHarper 🇨🇦 816 163 288ms 2 Nov 2025 528th janbehrens 🇩🇪 814 103 4ms 2 Jul 2023 529th plcc0 814 125 6ms 23 Mar 2025 530th scpchicken 🇵🇼 813 55 135ms 13 Mar 2022 531st Shanethegamer 🇺🇸 812 93 458ms 16 Jan 2024 531st Yewzir 🇧🇪 812 93 524ms 22 Jun 2024 533rd jotslo 🇬🇧 812 107 2ms 17 Jul 2022 534th janlelis 811 67 38ms 11 Jan 2022 534th stefangimmillaro 811 67 36ms 26 Dec 2024 536th chunes3 🇺🇸 811 100 71ms 15 Sep 2023 536th Natanaelel 🇸🇪 811 100 70ms 8 Dec 2023 538th GrayJoKing 🇦🇺 811 113 430ms 24 Jul 2025 539th error256 811 132 385ms 21 Nov 2025 540th ZakkkkAttackkkk 🇵🇭 810 109 11ms 23 Feb 2022 540th cefqrn 810 109 10ms 24 Dec 2022 540th AlexanderFair 810 109 10ms 11 Jul 2023 540th PixelSoftwareStudios 🇺🇸 810 109 11ms 6 Jul 2024 540th andrewjc2000 810 109 9ms 9 Mar 2025 540th tomh1012 810 109 10ms 7 days ago 546th Mandrzejy 🇵🇱 810 114 1ms 13 Sep 2024 546th AZTECCO 810 114 2ms 16 Sep 2025 548th m-tkach 🇺🇦 810 137 62ms 15 Jan 2022 548th sean-niemann 🇺🇸 810 137 62ms 3 Feb 2024 550th GrayJoKing 🇦🇺 810 152 29ms 18 Jul 2023 550th m-tkach 🇺🇦 810 152 29ms 10 Feb 2026 552nd albanian-laundromat 809 133 3ms 22 Sep 2025 553rd MeWhenI 🇻🇦 807 101 4ms 23 May 2023 554th ScottHamper 806 96 411ms 26 Feb 2022 554th stefangimmillaro 806 96 416ms 5 Jan 2023 554th bojernico 806 96 444ms 6 Apr 2023 557th edsrzf 🇳🇿 806 114 7ms 22 Aug 2025 558th emgordon154 806 234 1,448ms 18 Apr 2025 558th error256 806 234 1,413ms 8 Feb 2026 560th emgordon154 805 125 7ms 5 days ago First Prev 481–560 of 1,606 Next Last