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 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 Tower of Hanoi 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 1st lyxal 🇦🇺 0 12 692ms 5 Feb 2025 1st GolfingSuccess 🇬🇷 0 12 684ms 15 Feb 2025 1st plcc0 0 12 712ms 21 Apr 2025 1st DialFrost 🇸🇬 0 12 717ms 22 Apr 2025 1st Shanethegamer 🇺🇸 0 12 700ms 23 Apr 2025 1st RYSF13 🇨🇳 0 12 712ms 18 May 2025 1st snoozingnewt 🇺🇸 0 12 713ms 15 Sep 2025 1st JOrE20 🇺🇸 0 12 828ms 90 mins ago 9th emgordon154 0 13 688ms 17 Feb 2025 9th dokutan 0 13 674ms 18 Aug 2025 11th Mukundan314 0 14 625ms 17 Apr 2025 12th themoonisacheese 0 15 685ms 21 Feb 2025 13th kg583 🇺🇸 0 17 322ms 7 Feb 2025 13th emgordon154 0 17 314ms 8 Feb 2025 13th plcc0 0 17 328ms 13 Feb 2025 13th GolfingSuccess 🇬🇷 0 17 322ms 15 Feb 2025 13th Shanethegamer 🇺🇸 0 17 346ms 17 Apr 2025 13th DialFrost 🇸🇬 0 17 320ms 17 Apr 2025 13th HumanoidCPU 0 17 312ms 18 Apr 2025 13th snoozingnewt 🇺🇸 0 17 311ms 15 Sep 2025 21st Shanethegamer 🇺🇸 0 20 71ms 4 Feb 2025 21st GolfingSuccess 🇬🇷 0 20 75ms 5 Feb 2025 21st HumanoidCPU 0 20 74ms 6 Feb 2025 21st edsrzf 🇳🇿 0 20 323ms 8 Feb 2025 21st plcc0 0 20 75ms 10 Feb 2025 21st 2bular 0 20 96ms 11 Feb 2025 21st Natanaelel 🇸🇪 0 20 74ms 11 Feb 2025 21st kg583 🇺🇸 0 20 79ms 13 Feb 2025 21st DialFrost 🇸🇬 0 20 72ms 13 Feb 2025 21st MeWhenI 🇻🇦 0 20 75ms 14 Feb 2025 21st targrik 0 20 83ms 14 Feb 2025 21st ndren 0 20 72ms 5 Apr 2025 21st darrenks 0 20 75ms 5 Apr 2025 21st Yewzir 🇧🇪 0 20 74ms 5 Apr 2025 21st frankgraziano 0 20 76ms 23 Apr 2025 21st emgordon154 0 20 77ms 3 May 2025 21st gigaprofisi 🇺🇸 0 20 73ms 17 Jun 2025 21st snoozingnewt 🇺🇸 0 20 76ms 15 Sep 2025 21st Babafaba 0 20 76ms 15 Oct 2025 40th GolfingSuccess 🇬🇷 0 23 59ms 25 Nov 2024 40th AlephSquirrel 0 23 58ms 25 Nov 2024 40th lifthrasiir 🇰🇷 0 23 60ms 26 Nov 2024 40th ovs-code 🇩🇪 0 23 60ms 26 Nov 2024 40th CLOStrophobic 🇮🇹 0 23 56ms 19 Jan 2025 40th pardouin 🇫🇷 0 23 57ms 2 Feb 2025 40th MeWhenI 🇻🇦 0 23 59ms 2 Feb 2025 40th GolfingSuccess 🇬🇷 0 23 106ms 5 Feb 2025 40th plcc0 0 23 105ms 13 Feb 2025 40th plcc0 0 23 60ms 13 Feb 2025 40th emgordon154 0 23 108ms 19 Feb 2025 40th 2bular 0 23 57ms 3 Mar 2025 40th DialFrost 🇸🇬 0 23 56ms 17 Apr 2025 40th Shanethegamer 🇺🇸 0 23 57ms 17 Apr 2025 40th edsrzf 🇳🇿 0 23 74ms 17 Apr 2025 40th HumanoidCPU 0 23 60ms 18 Apr 2025 40th CaedenHarper 🇨🇦 0 23 57ms 18 Apr 2025 40th Shanethegamer 🇺🇸 0 23 104ms 20 May 2025 40th snoozingnewt 🇺🇸 0 23 107ms 15 Sep 2025 40th snoozingnewt 🇺🇸 0 23 57ms 15 Sep 2025 40th ndren 0 23 61ms 24 Sep 2025 40th CornerMercury 🇬🇧 0 23 58ms 24 Sep 2025 62nd Natanaelel 🇸🇪 0 24 56ms 23 Jan 2025 62nd TheZwierzLF 🇵🇱 0 24 177ms 1 Jun 2025 64th Shanethegamer 🇺🇸 0 26 203ms 20 Nov 2024 64th btnlq 0 26 287ms 26 Nov 2024 64th sean-niemann 🇺🇸 0 26 265ms 26 Nov 2024 64th DialFrost 🇸🇬 0 26 265ms 26 Nov 2024 64th emgordon154 0 26 277ms 28 Nov 2024 64th stefangimmillaro 0 26 266ms 3 Dec 2024 64th SirBogman 🇺🇸 0 26 281ms 3 Dec 2024 64th MeWhenI 🇻🇦 0 26 264ms 11 Dec 2024 64th GolfingSuccess 🇬🇷 0 26 254ms 21 Dec 2024 64th CaedenHarper 🇨🇦 0 26 272ms 4 Jan 2025 64th CLOStrophobic 🇮🇹 0 26 288ms 22 Jan 2025 64th sisyphus-ppcg 🇦🇺 0 26 275ms 31 Jan 2025 1–75 of 2,923 Next Last