Quine 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 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 Chars Time Submitted 107th schachmattmatt 179 28 39ms 11 Aug 2021 107th alichraghi 179 28 34ms 14 Oct 2021 107th annaproxy 179 28 35ms 7 Nov 2021 107th Anonymousellama21 179 28 35ms 24 Nov 2021 107th RandGuy 179 28 34ms 14 Dec 2021 107th Eolu 179 28 38ms 20 Jan 2022 107th QuincyNash 🇺🇸 179 28 35ms 21 Jan 2022 107th Mortis66666 179 28 31ms 3 Jun 2022 107th abrn 179 28 40ms 30 Jul 2022 107th aksyristos 179 28 39ms 8 Oct 2022 107th luni-moon 🇺🇸 179 28 33ms 23 Dec 2022 107th MCausc78 🇺🇦 179 28 33ms 5 Jan 2023 107th Betuaredead 179 28 35ms 14 Jan 2023 107th Iznoanygod 🇺🇸 179 28 35ms 3 Mar 2023 107th HumanoidCPU 179 28 35ms 3 Aug 2023 107th adamnielson42 🇺🇸 179 28 35ms 12 Dec 2023 107th epic-programmer-guy 179 28 38ms 19 Dec 2023 107th kkoenig 179 28 35ms 20 Dec 2023 107th wenbang24 179 28 41ms 29 Mar 2024 107th ComputerKWasTaken 🇺🇸 179 28 44ms 4 Jun 2024 107th kroolp 🇵🇱 179 28 38ms 6 Jul 2024 107th wowu 179 28 37ms 19 Sep 2024 107th abhishekg999 179 28 46ms 22 Sep 2024 107th lifthrasiir 🇰🇷 179 28 40ms 9 Nov 2024 107th Quirkly-Quasar 179 28 36ms 25 Nov 2024 107th sciencejiho 179 28 35ms 10 Feb 2025 107th codereport 🇨🇦 179 28 41ms 19 Apr 2025 107th gigaprofisi 🇺🇸 179 28 36ms 28 Jun 2025 107th Code-Coder-coder 179 28 37ms 12 days ago 107th blaztoma 🇱🇹 179 28 35ms 7 days ago 107th Babafaba 179 28 32ms 15 hours ago 107th iczelia 🇩🇪 179 28 34ms 6 hours ago 183rd LlamaLad7 🇬🇧 172 29 35ms 14 Mar 2020 183rd dakalamin 172 29 39ms 23 May 2021 183rd pandapawskat 172 29 36ms 2 Sep 2021 183rd shellbertt 🇨🇦 172 29 42ms 3 Nov 2021 183rd pyrolitic 🇮🇪 172 29 36ms 27 Apr 2022 183rd CiucaRazvan 172 29 40ms 29 Jul 2022 183rd Posandu 172 29 35ms 24 Oct 2022 183rd StHagel 172 29 34ms 13 Jul 2023 183rd esckbd 172 29 38ms 6 Jul 2024 183rd Unknownuserfrommars 172 29 35ms 5 Aug 2025 193rd marshallku 🇰🇷 167 30 34ms 12 Sep 2020 193rd badboj40 167 30 37ms 28 Mar 2023 195th charliegaming 161 31 35ms 4 Oct 2023 196th andrew3600 152 33 35ms 20 Aug 2018 196th leon-w 152 33 33ms 13 Jul 2019 196th jlscheerer 152 33 35ms 29 Aug 2019 196th Chesium 152 33 36ms 6 Aug 2020 200th Ashikpaul 🇮🇳 147 34 36ms 28 Apr 2021 201st RustemB 🇷🇺 143 35 35ms 12 Sep 2018 201st lowlighter 143 35 35ms 1 Nov 2020 203rd Haksell 🇦🇶 135 37 37ms 11 Apr 2020 204th omurakazuaki 🇯🇵 104 48 36ms 20 Sep 2019 205th biinari 94 53 43ms 25 Mar 2018 206th snltd 93 54 35ms 18 Aug 2019 207th idoschor 88 57 36ms 28 Dec 2020 208th kenballus 76 66 34ms 6 Dec 2019 209th Kyrremann 66 76 35ms 15 Jan 2020 210th mothcolada 🇺🇸 63 79 36ms 26 May 2021 211th segiddins 47 107 35ms 24 Aug 2018 212th mochaaP 10 492 32ms 6 Aug 2020 213th TaserTheFox 🇺🇸 10 499 37ms 19 May 2023 First Prev 151–213 of 213