Odious Numbers in Ruby 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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st sisyphus-ppcg 🇦🇺 1,000 28 35ms 4 Feb 2022 1st Lydxn 🇨🇦 1,000 28 37ms 4 Feb 2022 1st radarek 🇵🇱 1,000 28 38ms 25 Mar 2022 1st JayXon 🇺🇸 1,000 28 39ms 7 Sep 2022 5th janlelis 966 29 43ms 5 Jan 2020 5th primo-ppcg 🇹🇭 966 29 36ms 5 Oct 2020 5th nwellnhof 🇩🇪 966 29 35ms 1 Nov 2021 5th OhmNomNom 966 29 36ms 30 Oct 2022 5th Steffan153 🇫🇮 966 29 40ms 17 Feb 2023 5th Shanethegamer 🇺🇸 966 29 35ms 22 Mar 2023 5th xsot 🇸🇬 966 29 35ms 25 May 2023 5th stefangimmillaro 966 29 35ms 4 Aug 2023 5th MeWhenI 🇻🇦 966 29 39ms 4 Aug 2023 5th Natanaelel 🇸🇪 966 29 36ms 14 Mar 2024 5th sean-niemann 🇺🇸 966 29 35ms 27 Dec 2024 5th fuzzylojik-golf 🇺🇸 966 29 35ms 29 Aug 2025 5th pardouin 🇫🇷 966 29 43ms 2 Sep 2025 18th prplz 🇦🇺 875 32 38ms 16 Mar 2020 18th GrayJoKing 🇦🇺 875 32 39ms 19 May 2021 18th FlyingPenguin223 875 32 35ms 1 Nov 2024 21st jaredcrystal 🇺🇸 848 33 41ms 10 Dec 2018 21st yzhs 🇩🇪 848 33 43ms 8 Sep 2020 21st Waffle3z 848 33 39ms 11 Jan 2021 21st 4hg 🇺🇸 848 33 48ms 19 Jul 2022 21st m-tkach 🇺🇦 848 33 35ms 9 May 2023 21st ovs-code 🇩🇪 848 33 41ms 9 May 2023 21st emgordon154 848 33 35ms 25 Sep 2024 21st CaedenHarper 🇨🇦 848 33 36ms 28 Aug 2025 29th j55d 824 34 40ms 5 Dec 2017 29th SirBogman 🇺🇸 824 34 37ms 14 Feb 2020 29th janbehrens 🇩🇪 824 34 36ms 24 Mar 2021 29th rbviz 824 34 36ms 29 Mar 2021 29th hugolgst 824 34 42ms 4 Jun 2021 29th anter69 🇭🇺 824 34 44ms 27 Jun 2021 29th UladzimirSukharukau 824 34 33ms 13 Sep 2021 29th olivermrose 🇺🇸 824 34 34ms 14 Sep 2021 29th akshatj27 🇦🇶 824 34 34ms 11 Jan 2022 29th orthoplex 🇨🇽 824 34 38ms 1 Apr 2022 29th Irratix 🇳🇱 824 34 35ms 27 Jun 2022 29th jared-hughes 824 34 36ms 9 Sep 2022 29th Andriamanitra 🇫🇮 824 34 37ms 23 Sep 2022 29th DialFrost 🇸🇬 824 34 33ms 29 Jan 2023 29th Yewzir 🇧🇪 824 34 36ms 17 Nov 2023 29th BREMAUCY 🇫🇷 824 34 32ms 13 Jun 2025 29th dokutan 824 34 35ms 17 Jul 2025 46th proton 🇩🇪 800 35 37ms 9 Jun 2020 46th hiddicop 🇸🇪 800 35 37ms 29 Jan 2021 46th liemvo 🇻🇳 800 35 36ms 16 Apr 2021 46th AbrahamJLR 🇻🇪 800 35 37ms 14 Jun 2025 50th vonagam 778 36 35ms 8 Nov 2017 50th hrrs01 778 36 35ms 21 Sep 2018 50th gilufin 778 36 35ms 30 May 2021 50th daninnm 778 36 51ms 23 Jul 2021 50th annaproxy 778 36 39ms 24 Aug 2022 55th jimworm 757 37 39ms 8 Nov 2017 55th sk- 757 37 35ms 12 Sep 2019 55th rniii 757 37 46ms 21 Aug 2023 55th aaronze 🇦🇺 757 37 36ms 17 Sep 2023 55th olleicua 🇺🇸 757 37 34ms 9 Jan 2024 60th graft 737 38 37ms 10 Mar 2018 60th acornellier 737 38 44ms 8 Dec 2018 60th n1LS 737 38 35ms 9 Oct 2019 60th Haksell 🇦🇶 737 38 39ms 5 Apr 2020 60th nexaitch 737 38 35ms 7 Jul 2020 60th SephQ 737 38 36ms 11 Feb 2021 60th tatzyr 🇯🇵 737 38 43ms 8 Jan 2025 60th ejini6969 737 38 36ms 13 Jun 2025 60th blaztoma 🇱🇹 737 38 45ms 11 days ago 69th AlephSquirrel 718 39 42ms 7 Mar 2023 69th snoozingnewt 🇺🇸 718 39 44ms 14 Sep 2025 71st KatieLG 🇬🇧 700 40 34ms 10 Apr 2022 71st aydamak 700 40 42ms 15 May 2024 73rd robymus 683 41 42ms 17 Sep 2018 73rd alexjurkiewicz 🇦🇺 683 41 39ms 8 Jul 2022 75th biinari 667 42 37ms 27 Mar 2018 1–75 of 133 Next Last