Niven Numbers in Ruby 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 1st primo-ppcg 🇹🇭 1,000 29 3 Jan 2020 1st prplz 🇦🇺 1,000 29 5 Jan 2020 1st JayXon 🇺🇸 1,000 29 20 Feb 2021 1st sisyphus-ppcg 🇦🇺 1,000 29 3 Jun 2021 1st Lydxn 🇨🇦 1,000 29 17 Aug 2021 1st stefangimmillaro 1,000 29 21 Aug 2023 1st orthoplex 🇨🇽 1,000 29 4 Oct 2023 1st radarek 🇵🇱 1,000 29 17 Dec 2024 1st sean-niemann 🇺🇸 1,000 29 12 days ago 10th GrayJoKing 🇦🇺 829 35 8 Sep 2021 10th ovs-code 🇩🇪 829 35 21 Jun 2022 12th xsot 🇸🇬 806 36 25 Nov 2019 12th nwellnhof 🇩🇪 806 36 14 Feb 2020 12th SirBogman 🇺🇸 806 36 15 Jun 2020 12th hiddicop 🇸🇪 806 36 26 Jan 2021 12th jared-hughes 806 36 9 Sep 2022 12th MeWhenI 🇻🇦 806 36 10 Oct 2022 12th OhmNomNom 806 36 15 Oct 2022 12th Steffan153 🇫🇮 806 36 17 Nov 2022 12th DialFrost 🇸🇬 806 36 14 Jan 2023 12th Shanethegamer 🇺🇸 806 36 8 Mar 2023 12th m-tkach 🇺🇦 806 36 2 Jun 2023 12th emgordon154 806 36 7 Aug 2024 12th pardouin 🇫🇷 806 36 20 Aug 2024 12th lynn 806 36 20 Sep 2024 12th FlyingPenguin223 806 36 5 Oct 2024 27th UladzimirSukharukau 784 37 9 May 2018 27th janlelis 784 37 21 Jan 2021 27th gilufin 784 37 30 May 2021 27th NewDefectus 🇮🇱 784 37 8 Oct 2021 27th akshatj27 🇦🇶 784 37 11 Jan 2022 27th Irratix 🇳🇱 784 37 4 Mar 2022 27th janbehrens 🇩🇪 784 37 30 May 2022 27th ls-samer-abuthaher 784 37 7 Oct 2022 27th Yewzir 🇧🇪 784 37 12 Oct 2023 27th olleicua 🇺🇸 784 37 13 Feb 2024 27th dokutan 784 37 30 Apr 2024 27th qwertyuiop3 🇷🇺 784 37 19 days ago 39th adoxography 763 38 22 Jul 2018 39th acornellier 763 38 8 Dec 2018 39th hrrs01 763 38 29 Jan 2019 39th handisb 763 38 18 Oct 2019 39th mogron 763 38 14 Dec 2019 39th proton 🇩🇪 763 38 3 Jun 2020 39th Waffle3z 763 38 12 Oct 2020 39th KatieLG 🇬🇧 763 38 3 Nov 2020 39th jaredcrystal 🇺🇸 763 38 15 Dec 2020 39th Natanaelel 🇸🇪 763 38 27 Apr 2021 39th anter69 🇭🇺 763 38 3 Aug 2021 39th xiBread 🇺🇸 763 38 10 Sep 2021 39th yzhs 🇩🇪 763 38 20 Jul 2022 39th 4hg 🇺🇸 763 38 13 Aug 2022 39th Andriamanitra 🇫🇮 763 38 25 Aug 2022 39th rniii 763 38 21 Aug 2023 39th wlaud9 763 38 10 Feb 2024 39th error256 763 38 13 May 2024 39th aydamak 763 38 15 May 2024 39th LostSyntax21 🇬🇧 763 38 10 Sep 2024 39th tatzyr 🇯🇵 763 38 20 Mar 2025 39th ejini6969 763 38 11 days ago 61st graft 744 39 21 Dec 2018 61st ConorOBrien-Foxx 744 39 2 Mar 2019 61st sk- 744 39 11 Sep 2019 61st sapphyrus 744 39 18 Feb 2020 61st meenie 744 39 15 Feb 2021 61st schachmattmatt 744 39 18 Aug 2021 61st kinoute 🇫🇷 744 39 10 Sep 2021 61st scpchicken 🇵🇼 744 39 19 Mar 2022 61st aksyristos 744 39 24 Jan 2023 61st Haksell 🇦🇶 744 39 22 Feb 2023 61st AlephSquirrel 744 39 7 Mar 2023 61st aaronze 🇦🇺 744 39 17 Sep 2023 73rd segiddins 725 40 24 Aug 2018 73rd TFeld00 🇩🇰 725 40 7 Jun 2019 73rd flavono123 725 40 16 Jul 2019 1–75 of 119 Next