ISBN in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 601st retrohun 777 121 30 Dec 2022 601st abc7-12 777 121 26 Jun 2024 603rd andersk 🇺🇸 777 156 30 Oct 2022 603rd emgordon154 777 156 14 Mar 2025 605th DialFrost 🇸🇬 777 241 18 Apr 2025 606th Yewzir 🇧🇪 776 135 16 Dec 2023 606th Maximizer02 776 135 24 Sep 2024 608th DialFrost 🇸🇬 776 166 7 May 2025 609th rak1507 🇬🇧 775 40 10 Jan 2022 609th Frowny 775 40 13 Jan 2022 609th jared-hughes 775 40 29 Jul 2022 609th razetime 775 40 22 Aug 2022 613th JRaspass 🇬🇧 775 60 18 Jan 2023 614th Steffan153 🇫🇮 775 132 5 Jul 2024 615th Shanethegamer 🇺🇸 774 76 12 Oct 2022 616th aonkeeper4 774 114 5 Jul 2022 616th jared-hughes 774 114 7 Jul 2022 616th frankgraziano 774 114 8 Jan 2023 616th m42km 774 114 22 Nov 2023 616th thienudomsrirungruang 774 114 14 May 2024 616th jtaxen 774 114 8 Jun 2024 616th CutSandstone 774 114 8 Jul 2024 616th vhoulbreque 🇫🇷 774 114 9 Feb 2025 624th juliansiebert 🇩🇪 773 72 24 Jul 2022 625th stefangimmillaro 773 76 8 Jan 2023 625th MeWhenI 🇻🇦 773 76 10 May 2023 625th error256 773 76 14 Feb 2025 628th call23re 773 112 12 Jan 2022 629th DialFrost 🇸🇬 773 142 14 Sep 2024 630th strout 773 145 15 Aug 2022 631st Shanethegamer 🇺🇸 773 157 8 Oct 2022 632nd crizin 🇰🇷 773 170 10 Sep 2023 633rd Steffan153 🇫🇮 772 106 21 Jun 2024 634th maxpelic 🇺🇸 771 92 5 Jul 2022 634th astdefu 771 92 10 Dec 2022 634th two-bad 🇬🇧 771 92 25 Feb 2024 634th KatieLG 🇬🇧 771 92 8 Jul 2024 638th emplv 🇱🇻 771 101 6 Dec 2022 639th c0d3-4-F00d 🇩🇪 770 122 21 Feb 2022 640th primo-ppcg 🇹🇭 768 67 24 Jan 2022 641st Shanethegamer 🇺🇸 768 99 12 Dec 2022 642nd jmerle 🇳🇱 767 115 22 Jan 2022 642nd PiterAnnema 767 115 23 Mar 2022 642nd AGoyet 767 115 29 Jun 2022 642nd Eilonlif 🇮🇱 767 115 11 Sep 2022 642nd IsmaelGSerrano 767 115 2 Nov 2022 642nd bobbysq 767 115 22 Jan 2023 642nd msbranicky 767 115 25 Jul 2023 642nd Yewzir 🇧🇪 767 115 26 Dec 2023 642nd ArenaGrenade 767 115 19 Feb 2024 642nd NickTheEASDude 🇺🇸 767 115 15 May 2024 642nd dokutan 767 115 13 Aug 2024 642nd maxgodfrey2004 🇨🇦 767 115 8 Jan 2025 642nd Pyroan 767 115 21 Feb 2025 642nd chartung17 767 115 24 Mar 2025 656th albanian-laundromat 767 143 2 days ago 657th edsrzf 🇳🇿 765 107 7 days ago 658th GrayJoKing 🇦🇺 765 126 1 Mar 2022 659th MeWhenI 🇻🇦 765 194 5 Oct 2023 660th DialFrost 🇸🇬 764 71 26 Dec 2024 661st Jacob385 764 172 17 Sep 2024 662nd CatsAreFluffy 763 57 9 Jan 2023 662nd xsot 🇸🇬 763 57 2 Feb 2024 664th stefangimmillaro 763 102 19 Oct 2022 665th annaproxy 763 134 24 Dec 2022 666th jerrandolph 763 174 20 Oct 2023 667th SirBogman 🇺🇸 763 320 21 May 2022 668th Shanethegamer 🇺🇸 762 73 14 Jun 2024 669th Andrey-Plotnikov 762 93 14 days ago 670th kejcao 🇨🇦 762 147 3 Aug 2024 671st martinnorling 🇸🇪 760 116 18 Feb 2022 671st Indivicivet 760 116 9 May 2022 671st Bonjour27891 🇻🇳 760 116 15 Jul 2022 671st tri1212 🇻🇳 760 116 16 Jul 2022 671st MichalMarsalek 🇨🇿 760 116 30 Nov 2022 Prev 601–675 of 1,422 Next