ISBN in all languages in chars. 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 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 Mandelbrot 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 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 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 Mandelbrot 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 Chars Time 376th m-tkach 🇺🇦 828 158 10 Jan 2022 377th Sakisan 🇧🇪 827 64 30 Jun 2022 378th jacobly0 🇺🇸 827 104 11 Sep 2023 379th MichalMarsalek 🇨🇿 826 117 21 Apr 2022 380th acotis 826 146 30 May 2025 381st emplv 🇱🇻 826 160 6 Jan 2023 382nd prplz 🇦🇺 825 93 18 Jan 2022 382nd hemphen 825 93 28 Aug 2022 382nd feberhard 825 93 6 Apr 2023 382nd sean-niemann 🇺🇸 825 93 19 Apr 2025 386th emplv 🇱🇻 823 101 3 Jul 2023 386th stefangimmillaro 823 101 12 Oct 2023 388th Steffan153 🇫🇮 823 135 12 Mar 2023 389th SirBogman 🇺🇸 822 37 27 May 2024 389th Yewzir 🇧🇪 822 37 19 Dec 2024 391st dcgjb 822 67 14 Feb 2024 392nd Alex-x90 🇺🇸 822 133 8 Aug 2023 392nd Yewzir 🇧🇪 822 133 29 Nov 2023 394th bac0id 822 159 26 Sep 2023 395th Mandrzejy 🇵🇱 821 114 13 Sep 2024 396th Yewzir 🇧🇪 820 76 22 Jun 2024 396th Shanethegamer 🇺🇸 820 76 10 Dec 2024 398th jeff-at-tamer-dot-codes 🇺🇸 820 84 19 May 2023 398th Artemis21 🇬🇧 820 84 10 Jan 2025 398th snoozingnewt 🇺🇸 820 84 14 Jan 2025 401st DialFrost 🇸🇬 820 91 25 Oct 2024 402nd Bubbler-4 819 48 15 Nov 2022 402nd stackofbears 819 48 27 Dec 2023 404th primo-ppcg 🇹🇭 819 118 9 Apr 2022 405th Shanethegamer 🇺🇸 817 63 13 May 2023 406th annaproxy 816 94 19 Mar 2022 407th Mandrzejy 🇵🇱 816 134 13 Sep 2024 408th jared-hughes 816 200 18 Dec 2024 409th MeWhenI 🇻🇦 815 102 26 Nov 2023 410th Shanethegamer 🇺🇸 815 107 24 May 2025 411th primo-ppcg 🇹🇭 815 164 25 Jun 2022 412th o0lit3 🇺🇸 814 51 11 Jan 2022 413th JayXon 🇺🇸 814 55 25 Feb 2022 414th madex 🇩🇪 814 115 10 Apr 2022 414th FragmentedCurve 814 115 22 Nov 2023 414th mathisfun271 814 115 5 Feb 2024 417th saito-ta 🇯🇵 813 32 19 Aug 2022 417th canissimia 🇦🇶 813 32 19 Aug 2022 419th Steffan153 🇫🇮 812 82 11 Jul 2024 420th h3ra993huskp 🇯🇵 812 161 7 Jan 2024 421st m42km 811 85 24 Oct 2023 421st emgordon154 811 85 1 Aug 2024 421st JunkIce 811 85 25 Nov 2024 424th itsh01 811 87 13 Mar 2022 424th AlephSquirrel 811 87 15 Feb 2023 424th danielphilpottwork 811 87 20 Dec 2023 424th Attero 🇸🇪 811 87 22 Dec 2023 428th MeWhenI 🇻🇦 811 101 23 May 2023 429th btnlq 811 125 12 Jan 2022 430th sean-niemann 🇺🇸 811 163 30 Aug 2023 430th Yewzir 🇧🇪 811 163 7 Feb 2024 432nd KatieLG 🇬🇧 810 77 28 Oct 2024 433rd DialFrost 🇸🇬 810 118 27 Nov 2024 434th Irratix 🇳🇱 810 135 14 May 2022 435th janbehrens 🇩🇪 807 103 2 Jul 2023 436th MeWhenI 🇻🇦 807 116 5 Jul 2024 437th MeWhenI 🇻🇦 806 105 9 May 2024 438th ovs-code 🇩🇪 805 90 12 Sep 2024 438th primo-ppcg 🇹🇭 805 90 5 Apr 2025 440th jotslo 🇬🇧 804 107 17 Jul 2022 441st Shanethegamer 🇺🇸 804 136 20 Apr 2022 442nd 5cw 🇺🇸 801 38 27 May 2024 443rd m-tkach 🇺🇦 800 117 11 Jan 2022 444th ScottHamper 799 96 26 Feb 2022 444th stefangimmillaro 799 96 5 Jan 2023 444th bojernico 799 96 6 Apr 2023 447th Ripick 799 121 11 Jul 2024 448th m-tkach 🇺🇦 798 137 15 Jan 2022 448th sean-niemann 🇺🇸 798 137 3 Feb 2024 450th Yewzir 🇧🇪 798 185 21 May 2024 Prev 376–450 of 1,404 Next