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 451st primo-ppcg 🇹🇭 826 118 9 Apr 2022 452nd Alex-x90 🇺🇸 826 133 8 Aug 2023 452nd Yewzir 🇧🇪 826 133 29 Nov 2023 454th bac0id 826 159 26 Sep 2023 455th quimey 824 107 7 Mar 2023 455th fourth-bit 824 107 10 Jul 2024 455th fuzzylojik-golf 🇺🇸 824 107 19 May 2025 455th Shanethegamer 🇺🇸 824 107 24 May 2025 459th Mandrzejy 🇵🇱 824 114 13 Sep 2024 460th error256 822 66 8 May 2025 461st MeWhenI 🇻🇦 822 102 26 Nov 2023 462nd Frowny 821 53 11 Jan 2022 463rd annaproxy 821 94 19 Mar 2022 464th jared-hughes 821 200 18 Dec 2024 465th Shanethegamer 🇺🇸 820 93 16 Jan 2024 465th Yewzir 🇧🇪 820 93 22 Jun 2024 467th MeWhenI 🇻🇦 820 101 23 May 2023 468th Mandrzejy 🇵🇱 820 134 13 Sep 2024 469th primo-ppcg 🇹🇭 820 164 25 Jun 2022 470th btnlq 818 125 12 Jan 2022 471st Steffan153 🇫🇮 817 57 6 Jan 2023 471st Natanaelel 🇸🇪 817 57 13 May 2023 473rd prplz 🇦🇺 817 108 11 Jan 2022 473rd galloj 🇨🇿 817 108 21 Sep 2022 473rd TaserTheFox 🇺🇸 817 108 3 Apr 2023 473rd jatloe 817 108 26 Aug 2024 477th madex 🇩🇪 817 115 10 Apr 2022 477th FragmentedCurve 817 115 22 Nov 2023 477th mathisfun271 817 115 5 Feb 2024 480th lynn 816 38 22 Jul 2022 480th MeWhenI 🇻🇦 816 38 25 Aug 2022 480th 5cw 🇺🇸 816 38 27 May 2024 483rd DialFrost 🇸🇬 816 118 27 Nov 2024 484th kg583 🇺🇸 816 157 13 Feb 2025 485th h3ra993huskp 🇯🇵 816 161 7 Jan 2024 486th itsh01 815 87 13 Mar 2022 486th AlephSquirrel 815 87 15 Feb 2023 486th danielphilpottwork 815 87 20 Dec 2023 486th Attero 🇸🇪 815 87 22 Dec 2023 490th sean-niemann 🇺🇸 815 163 30 Aug 2023 490th Yewzir 🇧🇪 815 163 7 Feb 2024 492nd janbehrens 🇩🇪 814 103 2 Jul 2023 493rd Irratix 🇳🇱 814 135 14 May 2022 494th scpchicken 🇵🇼 812 55 13 Mar 2022 495th MeWhenI 🇻🇦 810 116 5 Jul 2024 496th janlelis 809 67 11 Jan 2022 496th stefangimmillaro 809 67 26 Dec 2024 498th chunes3 🇺🇸 809 100 15 Sep 2023 498th Natanaelel 🇸🇪 809 100 8 Dec 2023 500th jotslo 🇬🇧 809 107 17 Jul 2022 501st ZakkkkAttackkkk 🇵🇭 809 109 23 Feb 2022 501st cefqrn 809 109 24 Dec 2022 501st AlexanderFair 809 109 11 Jul 2023 501st firegene 🇮🇪 809 109 18 Jan 2024 501st PixelSoftwareStudios 🇺🇸 809 109 6 Jul 2024 501st andrewjc2000 809 109 9 Mar 2025 507th Shanethegamer 🇺🇸 808 136 20 Apr 2022 508th dokutan 806 130 21 Jun 2024 509th Ripick 805 121 11 Jul 2024 510th ScottHamper 804 96 26 Feb 2022 510th stefangimmillaro 804 96 5 Jan 2023 510th bojernico 804 96 6 Apr 2023 513th MeWhenI 🇻🇦 804 137 12 Sep 2022 514th scpchicken 🇵🇼 803 58 22 Feb 2023 515th m-tkach 🇺🇦 803 117 11 Jan 2022 516th typeswitch-dev 🇵🇹 803 121 14 Aug 2023 517th Yewzir 🇧🇪 803 185 21 May 2024 518th mtirado1 802 108 6 May 2023 519th btjones0 802 110 25 Jan 2022 519th adamnielson42 🇺🇸 802 110 25 Apr 2023 519th sultan 802 110 24 Feb 2024 519th fgrosshans 🇫🇷 802 110 16 Jul 2024 519th cros107 802 110 9 Jan 2025 519th KasperKivimaeki 🇫🇮 802 110 34 hours ago 525th m-tkach 🇺🇦 802 137 15 Jan 2022 Prev 451–525 of 1,427 Next