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 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 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 673rd emgordon154 0 60 4,086ms 4 Feb 2025 673rd klixel 🇨🇦 0 60 82ms 8 Apr 2025 673rd emgordon154 0 60 2ms 5 Aug 2025 673rd emgordon154 0 60 76ms 21 days ago 673rd Babafaba 0 60 529ms 3 days ago 681st Shanethegamer 🇺🇸 0 61 11ms 20 Nov 2024 681st stefangimmillaro 0 61 12ms 21 Nov 2024 681st error256 0 61 11ms 21 Nov 2024 681st error256 0 61 117ms 21 Nov 2024 681st ovs-code 🇩🇪 0 61 11ms 25 Nov 2024 681st GolfingSuccess 🇬🇷 0 61 11ms 25 Nov 2024 681st sean-niemann 🇺🇸 0 61 13ms 26 Nov 2024 681st duckyluuk 🇳🇱 0 61 12ms 26 Nov 2024 681st DialFrost 🇸🇬 0 61 12ms 26 Nov 2024 681st rucin93 🇵🇱 0 61 12ms 26 Nov 2024 681st emgordon154 0 61 12ms 28 Nov 2024 681st stefangimmillaro 0 61 5ms 3 Dec 2024 681st lukegustafson 🇺🇸 0 61 14ms 7 Dec 2024 681st MeWhenI 🇻🇦 0 61 11ms 11 Dec 2024 681st emplv 🇱🇻 0 61 11ms 11 Dec 2024 681st voytxt 🇨🇿 0 61 11ms 22 Dec 2024 681st Salutations45 0 61 11ms 29 Dec 2024 681st duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 681st CLOStrophobic 🇮🇹 0 61 11ms 22 Jan 2025 681st voytxt 🇨🇿 0 61 5ms 25 Jan 2025 681st m-tkach 🇺🇦 0 61 12ms 30 Jan 2025 681st Natanaelel 🇸🇪 0 61 12ms 2 Feb 2025 681st CaedenHarper 🇨🇦 0 61 11ms 3 Feb 2025 681st BalaM314 0 61 12ms 4 Feb 2025 681st kg583 🇺🇸 0 61 84ms 5 Feb 2025 681st GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 681st HumanoidCPU 0 61 4ms 7 Feb 2025 681st targrik 0 61 11ms 8 Feb 2025 681st MeWhenI 🇻🇦 0 61 4ms 14 Feb 2025 681st targrik 0 61 4ms 15 Feb 2025 681st attila8192 0 61 12ms 1 Mar 2025 681st targrik 0 61 2ms 14 Mar 2025 681st janlelis 0 61 13ms 31 Mar 2025 681st b-illy 🇬🇧 0 61 11ms 16 Apr 2025 681st janbehrens 🇩🇪 0 61 11ms 17 Apr 2025 681st pardouin 🇫🇷 0 61 11ms 17 Apr 2025 681st Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 681st edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 681st HumanoidCPU 0 61 121ms 18 Apr 2025 681st HumanoidCPU 0 61 11ms 18 Apr 2025 681st AlephSquirrel 0 61 11ms 20 Apr 2025 681st Sam-Vrgl 0 61 11ms 13 May 2025 681st c-py 0 61 13ms 14 May 2025 681st albanian-laundromat 0 61 126ms 6 Jun 2025 681st Andrey-Plotnikov 0 61 11ms 19 Jun 2025 681st a6166231 🇨🇳 0 61 12ms 20 Jun 2025 681st BREMAUCY 🇫🇷 0 61 11ms 1 Jul 2025 681st RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 681st p01 0 61 11ms 28 Jul 2025 681st KrausRaus 🇺🇸 0 61 11ms 29 Jul 2025 681st dmrichwa 🇺🇸 0 61 12ms 29 Jul 2025 681st dokutan 0 61 3ms 5 Aug 2025 681st gitchaell 🇧🇴 0 61 11ms 6 Aug 2025 681st lukepolak 0 61 11ms 7 Aug 2025 681st adrianbgo 0 61 11ms 7 Aug 2025 681st helbling 🇨🇭 0 61 11ms 28 Aug 2025 681st snoozingnewt 🇺🇸 0 61 130ms 15 Sep 2025 681st snoozingnewt 🇺🇸 0 61 12ms 15 Sep 2025 681st larsendaniel 0 61 11ms 20 days ago 681st JOrE20 🇺🇸 0 61 10ms 9 days ago 681st GodlyProgrammer1 0 61 11ms 5 days ago 681st Kacarott 🇦🇺 0 61 96ms 2 days ago 743rd emgordon154 0 62 3ms 27 Nov 2024 743rd CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 743rd DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 743rd dokutan 0 62 1,277ms 15 Jul 2025 743rd 6512345 0 62 107ms 23 days ago 748th kg583 🇺🇸 0 63 48ms 21 Nov 2024 748th emgordon154 0 63 141ms 28 Nov 2024 748th rucin93 🇵🇱 0 63 133ms 3 Dec 2024 First Prev 676–750 of 2,928 Next Last