Tutorial in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 801st JunkIce 0 65 11ms 3 Dec 2024 801st SirBogman 🇺🇸 0 65 14ms 3 Dec 2024 801st xsot 🇸🇬 0 65 13ms 4 Dec 2024 801st ndren 0 65 10ms 5 Dec 2024 801st CornerMercury 🇬🇧 0 65 13ms 5 Dec 2024 801st lukegustafson 🇺🇸 0 65 13ms 7 Dec 2024 801st Europe2048 0 65 13ms 7 Dec 2024 801st neel11235813 0 65 10ms 9 Dec 2024 801st Seek64 🇩🇪 0 65 13ms 10 Dec 2024 801st 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801st emgordon154 0 65 49ms 17 Feb 2025 801st GolfingSuccess 🇬🇷 0 65 131ms 6 Mar 2025 801st Jacob385 0 65 4ms 19 Mar 2025 801st 4atj 0 65 10ms 10 Apr 2025 801st orthoplex 🇨🇽 0 65 12ms 16 Apr 2025 801st MeWhenI 🇻🇦 0 65 10ms 17 Apr 2025 801st Mukundan314 0 65 10ms 17 Apr 2025 801st MeWhenI 🇻🇦 0 65 8ms 17 Apr 2025 801st DialFrost 🇸🇬 0 65 6ms 17 Apr 2025 801st DialFrost 🇸🇬 0 65 13ms 17 Apr 2025 801st error256 0 65 10ms 17 Apr 2025 801st rucin93 🇵🇱 0 65 11ms 17 Apr 2025 801st edsrzf 🇳🇿 0 65 132ms 17 Apr 2025 801st edsrzf 🇳🇿 0 65 3ms 18 Apr 2025 801st HumanoidCPU 0 65 10ms 18 Apr 2025 801st HumanoidCPU 0 65 6ms 18 Apr 2025 801st HumanoidCPU 0 65 127ms 18 Apr 2025 801st DialFrost 🇸🇬 0 65 126ms 18 Apr 2025 801st BlankSpruce 0 65 10ms 18 Apr 2025 801st Shanethegamer 🇺🇸 0 65 128ms 18 Apr 2025 801st CaedenHarper 🇨🇦 0 65 6ms 18 Apr 2025 801st CaedenHarper 🇨🇦 0 65 124ms 18 Apr 2025 801st FEZfan 🇦🇺 0 65 10ms 19 Apr 2025 801st undefinedRyan 0 65 11ms 19 Apr 2025 801st DialFrost 🇸🇬 0 65 3ms 20 Apr 2025 801st plcc0 0 65 11ms 21 Apr 2025 801st dokutan 0 65 6ms 28 Apr 2025 801st RYSF13 🇨🇳 0 65 3ms 13 May 2025 801st Shanethegamer 🇺🇸 0 65 3ms 13 May 2025 801st robin-scragg 0 65 10ms 19 May 2025 801st ryyyn 🇺🇸 0 65 16ms 21 May 2025 801st Moltres-Galar 🇺🇦 0 65 11ms 21 May 2025 801st albanian-laundromat 0 65 10ms 4 Jun 2025 801st fuzzylojik-golf 🇺🇸 0 65 11ms 5 Jun 2025 801st codingisgreatbutiamnot 0 65 11ms 7 Jun 2025 801st SoliGhost 0 65 10ms 8 Jun 2025 801st cros107 🇦🇺 0 65 14ms 14 Jun 2025 801st long279595192 0 65 11ms 20 Jun 2025 801st jiji7879 0 65 11ms 20 Jun 2025 801st alemelis 0 65 12ms 20 Jun 2025 801st elana-teal 0 65 12ms 20 Jun 2025 First Prev 826–900 of 2,949 Next Last