Tutorial in all languages 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 282nd frankgraziano 0 37 19 May 2025 282nd lynn 0 37 15 Jun 2025 282nd frankgraziano 0 37 19ms 26 Jul 2025 282nd albanian-laundromat 0 37 18ms 4 Aug 2025 282nd snoozingnewt 🇺🇸 0 37 15 Sep 2025 282nd snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 282nd SirBogman 🇺🇸 0 37 16 days ago 308th ovs-code 🇩🇪 0 38 25 Nov 2024 308th sean-niemann 🇺🇸 0 38 26 Nov 2024 308th emgordon154 0 38 5ms 27 Nov 2024 308th CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 308th btjones0 0 38 3ms 17 Feb 2025 308th Frowny 0 38 10 Mar 2025 308th Mukundan314 0 38 14ms 25 Apr 2025 315th MeWhenI 🇻🇦 0 39 29 Jan 2025 315th emgordon154 0 39 4ms 14 Feb 2025 315th DialFrost 🇸🇬 0 39 17 Apr 2025 315th Shanethegamer 🇺🇸 0 39 3ms 19 May 2025 315th HumanoidCPU 0 39 5ms 19 May 2025 315th plcc0 0 39 4ms 19 May 2025 315th voytxt 🇨🇿 0 39 5ms 19 May 2025 315th GolfingSuccess 🇬🇷 0 39 4ms 19 May 2025 315th DialFrost 🇸🇬 0 39 4ms 21 May 2025 315th MeWhenI 🇻🇦 0 39 4ms 28 May 2025 315th Jigglypuffed 0 39 5ms 12 Jun 2025 315th xvogt 🇱🇮 0 39 5ms 12 Jun 2025 315th AlephSquirrel 0 39 5ms 12 Jun 2025 315th yobatm 0 39 41ms 3 Aug 2025 315th ndren 0 39 4ms 5 Sep 2025 315th snoozingnewt 🇺🇸 0 39 4ms 15 Sep 2025 331st emgordon154 0 40 6ms 9 Feb 2025 331st DialFrost 🇸🇬 0 40 5ms 9 Feb 2025 331st GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 331st chunes3 🇺🇸 0 40 5ms 13 Feb 2025 331st HumanoidCPU 0 40 13ms 18 Apr 2025 331st DialFrost 🇸🇬 0 40 9ms 20 Apr 2025 331st ovs-code 🇩🇪 0 40 6ms 19 May 2025 331st Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 331st artem-aramma 0 40 4ms 18 Jun 2025 331st alemelis 0 40 19ms 3 Aug 2025 331st frankgraziano 0 40 8ms 13 Aug 2025 331st snoozingnewt 🇺🇸 0 40 8ms 15 Sep 2025 343rd targrik 0 41 4ms 9 Jul 2025 344th GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 344th AlephSquirrel 0 42 4ms 27 Jan 2025 344th edsrzf 🇳🇿 0 42 5ms 21 Mar 2025 344th Shanethegamer 🇺🇸 0 42 3ms 17 Apr 2025 344th DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 344th edsrzf 🇳🇿 0 42 6ms 17 Apr 2025 344th HumanoidCPU 0 42 5ms 18 Apr 2025 344th CaedenHarper 🇨🇦 0 42 4ms 18 Apr 2025 344th zacjl 0 42 4ms 20 Apr 2025 344th dokutan 0 42 4ms 28 Apr 2025 344th TheZwierzLF 🇵🇱 0 42 3ms 2 Jun 2025 344th snoozingnewt 🇺🇸 0 42 4ms 15 Sep 2025 356th Shanethegamer 🇺🇸 0 43 1,558ms 20 Nov 2024 356th stefangimmillaro 0 43 20 Nov 2024 356th error256 0 43 21 Nov 2024 356th GolfingSuccess 🇬🇷 0 43 3ms 25 Nov 2024 356th xsot 🇸🇬 0 43 3ms 26 Nov 2024 356th sean-niemann 🇺🇸 0 43 2ms 26 Nov 2024 356th emgordon154 0 43 26 Nov 2024 356th GolfingSuccess 🇬🇷 0 43 9 Dec 2024 356th MeWhenI 🇻🇦 0 43 11 Dec 2024 356th MeWhenI 🇻🇦 0 43 11 Dec 2024 356th Natanaelel 🇸🇪 0 43 7ms 26 Jan 2025 356th pardouin 🇫🇷 0 43 2 Feb 2025 356th error256 0 43 3,175ms 5 Feb 2025 356th sean-niemann 🇺🇸 0 43 2,861ms 6 Feb 2025 356th Shanethegamer 🇺🇸 0 43 2,450ms 7 Feb 2025 356th GolfingSuccess 🇬🇷 0 43 2,892ms 8 Feb 2025 356th GrayJoKing 🇦🇺 0 43 3ms 18 Mar 2025 356th DialFrost 🇸🇬 0 43 17 Apr 2025 356th Salutations45 0 43 3ms 17 Apr 2025 356th edsrzf 🇳🇿 0 43 3,402ms 17 Apr 2025 First Prev 301–375 of 2,738 Next Last