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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 451st MeWhenI 🇻🇦 820 101 23 May 2023 452nd Mandrzejy 🇵🇱 820 134 13 Sep 2024 453rd btnlq 818 125 12 Jan 2022 454th madex 🇩🇪 817 115 10 Apr 2022 454th FragmentedCurve 817 115 22 Nov 2023 454th mathisfun271 817 115 5 Feb 2024 457th Ripick 817 121 11 Jul 2024 458th primo-ppcg 🇹🇭 817 164 25 Jun 2022 459th lynn 816 38 22 Jul 2022 459th MeWhenI 🇻🇦 816 38 25 Aug 2022 459th 5cw 🇺🇸 816 38 27 May 2024 462nd Steffan153 🇫🇮 816 57 6 Jan 2023 462nd Natanaelel 🇸🇪 816 57 13 May 2023 464th prplz 🇦🇺 816 108 11 Jan 2022 464th galloj 🇨🇿 816 108 21 Sep 2022 464th TaserTheFox 🇺🇸 816 108 3 Apr 2023 464th jatloe 816 108 26 Aug 2024 468th kg583 🇺🇸 816 157 13 Feb 2025 469th h3ra993huskp 🇯🇵 816 161 7 Jan 2024 470th itsh01 814 87 13 Mar 2022 470th AlephSquirrel 814 87 15 Feb 2023 470th danielphilpottwork 814 87 20 Dec 2023 470th Attero 🇸🇪 814 87 22 Dec 2023 474th DialFrost 🇸🇬 814 118 27 Nov 2024 475th Irratix 🇳🇱 814 135 14 May 2022 476th sean-niemann 🇺🇸 813 163 30 Aug 2023 476th Yewzir 🇧🇪 813 163 7 Feb 2024 478th scpchicken 🇵🇼 812 55 13 Mar 2022 479th MeWhenI 🇻🇦 810 116 5 Jul 2024 480th janlelis 809 67 11 Jan 2022 480th stefangimmillaro 809 67 26 Dec 2024 480th error256 809 67 14 Feb 2025 483rd ZakkkkAttackkkk 🇵🇭 809 109 23 Feb 2022 483rd cefqrn 809 109 24 Dec 2022 483rd AlexanderFair 809 109 11 Jul 2023 483rd firegene 🇮🇪 809 109 18 Jan 2024 483rd PixelSoftwareStudios 🇺🇸 809 109 6 Jul 2024 483rd andrewjc2000 809 109 9 Mar 2025 489th Yewzir 🇧🇪 809 115 26 Dec 2023 490th jotslo 🇬🇧 808 107 17 Jul 2022 491st Shanethegamer 🇺🇸 808 136 20 Apr 2022 492nd chunes3 🇺🇸 807 100 15 Sep 2023 492nd Natanaelel 🇸🇪 807 100 8 Dec 2023 494th dokutan 806 130 21 Jun 2024 495th ScottHamper 804 96 26 Feb 2022 495th stefangimmillaro 804 96 5 Jan 2023 495th bojernico 804 96 6 Apr 2023 498th MeWhenI 🇻🇦 804 123 30 Jan 2023 499th m-tkach 🇺🇦 803 117 11 Jan 2022 500th typeswitch-dev 🇵🇹 803 121 14 Aug 2023 501st Yewzir 🇧🇪 803 185 21 May 2024 502nd scpchicken 🇵🇼 802 58 22 Feb 2023 503rd m-tkach 🇺🇦 802 137 15 Jan 2022 503rd sean-niemann 🇺🇸 802 137 3 Feb 2024 505th mtirado1 801 108 6 May 2023 506th btjones0 801 110 25 Jan 2022 506th adamnielson42 🇺🇸 801 110 25 Apr 2023 506th sultan 801 110 24 Feb 2024 506th fgrosshans 🇫🇷 801 110 16 Jul 2024 506th cros107 801 110 9 Jan 2025 506th ryyyn 801 110 17 Jan 2025 512th cbrt-x 801 164 16 Jan 2022 513th Shanethegamer 🇺🇸 800 159 20 Jul 2023 514th emgordon154 800 234 18 days ago 515th KrausRaus 🇺🇸 799 106 11 Nov 2023 515th edsrzf 🇳🇿 799 106 6 Oct 2024 517th edsrzf 🇳🇿 799 166 16 Jan 2025 518th akshatj27 🇦🇶 798 68 10 Jan 2022 518th SirBogman 🇺🇸 798 68 19 May 2022 518th Shanethegamer 🇺🇸 798 68 27 May 2022 518th Natanaelel 🇸🇪 798 68 21 Jun 2022 518th Haksell 🇦🇶 798 68 23 Feb 2023 518th anter69 🇭🇺 798 68 20 Nov 2023 524th MeWhenI 🇻🇦 798 137 12 Sep 2022 525th stefangimmillaro 798 152 28 Oct 2023 Prev 451–525 of 1,379 Next