Tutorial 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 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 111th greentruff 0 28 5ms 10 May 2025 111th Just4FunCoder 0 28 34ms 18 Jun 2025 111th AbrahamJLR 🇻🇪 0 28 51ms 18 Jul 2025 111th Matter1024 🇮🇳 0 28 52ms 11 Aug 2025 111th vishal-mohanty 0 28 33ms 24 Aug 2025 111th frankgraziano 0 28 5ms 6 Sep 2025 111th LostSyntax21 🇬🇧 0 28 53ms 11 Sep 2025 111th snoozingnewt 🇺🇸 0 28 6ms 15 Sep 2025 111th snoozingnewt 🇺🇸 0 28 53ms 15 Sep 2025 160th ovs-code 🇩🇪 0 29 6ms 25 Nov 2024 160th emgordon154 0 29 6ms 26 Nov 2024 160th stefangimmillaro 0 29 57ms 26 Nov 2024 160th JunkIce 0 29 61ms 3 Dec 2024 160th duckyluuk 🇳🇱 0 29 61ms 12 Jan 2025 160th voytxt 🇨🇿 0 29 59ms 25 Jan 2025 160th gigaprofisi 🇺🇸 0 29 60ms 3 Mar 2025 160th Yewzir 🇧🇪 0 29 72ms 11 Mar 2025 160th TheZwierzLF 🇵🇱 0 29 55ms 1 Jun 2025 160th paiv 0 29 61ms 16 Jun 2025 160th DABANANAMAN120 0 29 56ms 26 Jun 2025 160th Bpc-CPU 0 29 60ms 12 Jul 2025 160th KatieLG 🇬🇧 0 29 55ms 24 days ago 173rd Quirkly-Quasar1 🇺🇸 0 30 55ms 3 Dec 2024 173rd FlyingPenguin223 0 30 6ms 9 Dec 2024 173rd MeWhenI 🇻🇦 0 30 6ms 11 Dec 2024 173rd shadowninja55 🇺🇸 0 30 6ms 30 Dec 2024 173rd canissimia 🇦🇶 0 30 2ms 23 Jan 2025 173rd saito-ta 🇯🇵 0 30 2ms 27 Jan 2025 173rd sisyphus-ppcg 🇦🇺 0 30 2ms 28 Jan 2025 173rd psethwick 0 30 6ms 30 Jan 2025 173rd psethwick 0 30 59ms 31 Jan 2025 173rd RedzGoose 🇦🇺 0 30 928ms 25 Feb 2025 173rd paulmr 0 30 5ms 5 Mar 2025 173rd plcc0 0 30 6ms 30 Mar 2025 173rd klixel 🇨🇦 0 30 59ms 9 Jul 2025 173rd targrik 0 30 39ms 4 Aug 2025 173rd matejmatik123 🇸🇰 0 30 57ms 11 Aug 2025 173rd targrik 0 30 56ms 11 Sep 2025 189th duckyluuk 🇳🇱 0 31 6ms 12 Jan 2025 189th voytxt 🇨🇿 0 31 6ms 25 Jan 2025 189th csharpython 0 31 6ms 5 Feb 2025 189th emgordon154 0 31 4ms 14 Feb 2025 189th gigaprofisi 🇺🇸 0 31 6ms 3 Mar 2025 189th targrik 0 31 6ms 14 Mar 2025 189th TannerJ07 🇺🇸 0 31 9ms 5 Apr 2025 189th greentruff 0 31 4ms 11 May 2025 189th Shanethegamer 🇺🇸 0 31 3ms 19 May 2025 189th HumanoidCPU 0 31 5ms 19 May 2025 189th plcc0 0 31 4ms 19 May 2025 189th voytxt 🇨🇿 0 31 5ms 19 May 2025 189th GolfingSuccess 🇬🇷 0 31 4ms 19 May 2025 189th ovs-code 🇩🇪 0 31 6ms 19 May 2025 189th DialFrost 🇸🇬 0 31 4ms 21 May 2025 189th MeWhenI 🇻🇦 0 31 4ms 28 May 2025 189th AlephSquirrel 0 31 5ms 8 Jun 2025 189th Jigglypuffed 0 31 5ms 12 Jun 2025 189th xvogt 🇱🇮 0 31 5ms 12 Jun 2025 189th xvogt 🇱🇮 0 31 6ms 12 Jun 2025 189th artem-aramma 0 31 39ms 18 Jun 2025 189th GolfingSuccess 🇬🇷 0 31 5ms 4 Aug 2025 189th DialFrost 🇸🇬 0 31 3ms 4 Aug 2025 189th synt7x 🇺🇸 0 31 2ms 5 Aug 2025 189th Shanethegamer 🇺🇸 0 31 2ms 9 Aug 2025 189th sblaplace 0 31 6ms 11 Aug 2025 189th ndren 0 31 4ms 5 Sep 2025 189th kmathis22 0 31 6ms 10 Sep 2025 189th snoozingnewt 🇺🇸 0 31 3ms 15 Sep 2025 189th snoozingnewt 🇺🇸 0 31 4ms 15 Sep 2025 189th J09M 0 31 8ms 23 Sep 2025 220th uncertaain 0 32 53ms 4 Dec 2024 220th HumanoidCPU 0 32 152ms 7 Feb 2025 220th MeWhenI 🇻🇦 0 32 160ms 14 Feb 2025 220th targrik 0 32 162ms 15 Feb 2025 220th Natanaelel 🇸🇪 0 32 16 Apr 2025 225th Shanethegamer 🇺🇸 0 33 4ms 20 Nov 2024 First Prev 151–225 of 2,699 Next Last