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 279th albanian-laundromat 0 37 4 Aug 2025 279th snoozingnewt 🇺🇸 0 37 24 days ago 279th snoozingnewt 🇺🇸 0 37 24 days ago 279th SirBogman 🇺🇸 0 37 3 days ago 305th ovs-code 🇩🇪 0 38 25 Nov 2024 305th sean-niemann 🇺🇸 0 38 26 Nov 2024 305th emgordon154 0 38 27 Nov 2024 305th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 305th btjones0 0 38 17 Feb 2025 305th Frowny 0 38 10 Mar 2025 305th Mukundan314 0 38 25 Apr 2025 312th MeWhenI 🇻🇦 0 39 29 Jan 2025 312th emgordon154 0 39 14 Feb 2025 312th DialFrost 🇸🇬 0 39 17 Apr 2025 312th Shanethegamer 🇺🇸 0 39 19 May 2025 312th HumanoidCPU 0 39 19 May 2025 312th plcc0 0 39 19 May 2025 312th voytxt 🇨🇿 0 39 19 May 2025 312th GolfingSuccess 🇬🇷 0 39 19 May 2025 312th DialFrost 🇸🇬 0 39 21 May 2025 312th MeWhenI 🇻🇦 0 39 28 May 2025 312th Jigglypuffed 0 39 12 Jun 2025 312th xvogt 🇱🇮 0 39 12 Jun 2025 312th AlephSquirrel 0 39 12 Jun 2025 312th yobatm 0 39 3 Aug 2025 312th ndren 0 39 5 Sep 2025 312th snoozingnewt 🇺🇸 0 39 24 days ago 328th emgordon154 0 40 9 Feb 2025 328th DialFrost 🇸🇬 0 40 9 Feb 2025 328th GolfingSuccess 🇬🇷 0 40 12 Feb 2025 328th chunes3 🇺🇸 0 40 13 Feb 2025 328th HumanoidCPU 0 40 18 Apr 2025 328th DialFrost 🇸🇬 0 40 20 Apr 2025 328th ovs-code 🇩🇪 0 40 19 May 2025 328th Shanethegamer 🇺🇸 0 40 6 Jun 2025 328th artem-aramma 0 40 18 Jun 2025 328th alemelis 0 40 3 Aug 2025 328th frankgraziano 0 40 13 Aug 2025 328th snoozingnewt 🇺🇸 0 40 24 days ago 340th targrik 0 41 9 Jul 2025 341st GolfingSuccess 🇬🇷 0 42 25 Nov 2024 341st AlephSquirrel 0 42 27 Jan 2025 341st edsrzf 🇳🇿 0 42 21 Mar 2025 341st Shanethegamer 🇺🇸 0 42 17 Apr 2025 341st DialFrost 🇸🇬 0 42 17 Apr 2025 341st edsrzf 🇳🇿 0 42 17 Apr 2025 341st HumanoidCPU 0 42 18 Apr 2025 341st CaedenHarper 🇨🇦 0 42 18 Apr 2025 341st zacjl 0 42 20 Apr 2025 341st dokutan 0 42 28 Apr 2025 341st TheZwierzLF 🇵🇱 0 42 2 Jun 2025 341st snoozingnewt 🇺🇸 0 42 24 days ago 353rd Shanethegamer 🇺🇸 0 43 20 Nov 2024 353rd stefangimmillaro 0 43 20 Nov 2024 353rd error256 0 43 21 Nov 2024 353rd GolfingSuccess 🇬🇷 0 43 25 Nov 2024 353rd xsot 🇸🇬 0 43 26 Nov 2024 353rd sean-niemann 🇺🇸 0 43 26 Nov 2024 353rd emgordon154 0 43 26 Nov 2024 353rd GolfingSuccess 🇬🇷 0 43 9 Dec 2024 353rd MeWhenI 🇻🇦 0 43 11 Dec 2024 353rd MeWhenI 🇻🇦 0 43 11 Dec 2024 353rd Natanaelel 🇸🇪 0 43 26 Jan 2025 353rd pardouin 🇫🇷 0 43 2 Feb 2025 353rd error256 0 43 5 Feb 2025 353rd sean-niemann 🇺🇸 0 43 6 Feb 2025 353rd Shanethegamer 🇺🇸 0 43 7 Feb 2025 353rd GolfingSuccess 🇬🇷 0 43 8 Feb 2025 353rd GrayJoKing 🇦🇺 0 43 18 Mar 2025 353rd DialFrost 🇸🇬 0 43 17 Apr 2025 353rd Salutations45 0 43 17 Apr 2025 353rd edsrzf 🇳🇿 0 43 17 Apr 2025 353rd DialFrost 🇸🇬 0 43 17 Apr 2025 353rd DialFrost 🇸🇬 0 43 17 Apr 2025 353rd Shanethegamer 🇺🇸 0 43 17 Apr 2025 First Prev 301–375 of 2,564 Next Last