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 Multitap Input NFA Simulator Numbrix 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 Multitap Input NFA Simulator Numbrix 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 289th HumanoidCPU 0 36 497ms 18 Apr 2025 289th alemelis 0 36 460ms 20 Jun 2025 289th frankgraziano 0 36 507ms 6 Aug 2025 289th snoozingnewt 🇨🇦 0 36 479ms 15 Sep 2025 305th ovs-code 🇩🇪 0 37 18ms 26 Nov 2024 305th 2bular 0 37 36ms 9 Dec 2024 305th Natanaelel 🇸🇪 0 37 2ms 26 Jan 2025 305th DialFrost 🇸🇬 0 37 15ms 24 Feb 2025 305th Sakisan 🇧🇪 0 37 19ms 5 Apr 2025 305th dokutan 0 37 17ms 13 Apr 2025 305th DialFrost 🇸🇬 0 37 46ms 17 Apr 2025 305th MeWhenI 🇻🇦 0 37 18ms 17 Apr 2025 305th Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 305th GolfingSuccess 🇬🇷 0 37 19ms 17 Apr 2025 305th Shanethegamer 🇺🇸 0 37 53ms 17 Apr 2025 305th HumanoidCPU 0 37 48ms 18 Apr 2025 305th HumanoidCPU 0 37 18ms 18 Apr 2025 305th HPWiz 🇳🇿 0 37 20ms 18 Apr 2025 305th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 305th CaedenHarper 🇨🇦 0 37 19ms 19 Apr 2025 305th GolfingSuccess 🇬🇷 0 37 45ms 19 Apr 2025 305th edsrzf 🇳🇿 0 37 21ms 19 Apr 2025 305th zacjl 0 37 7ms 20 Apr 2025 305th frankgraziano 0 37 45ms 19 May 2025 305th lynn 0 37 46ms 15 Jun 2025 305th frankgraziano 0 37 20ms 26 Jul 2025 305th albanian-laundromat 0 37 15ms 4 Aug 2025 305th snoozingnewt 🇨🇦 0 37 45ms 15 Sep 2025 305th snoozingnewt 🇨🇦 0 37 20ms 15 Sep 2025 305th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 331st ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 331st sean-niemann 🇺🇸 0 38 47ms 26 Nov 2024 331st emgordon154 0 38 3ms 27 Nov 2024 331st CLOStrophobic 🇮🇹 0 38 18ms 22 Jan 2025 331st btjones0 0 38 2ms 17 Feb 2025 331st Frowny 0 38 46ms 10 Mar 2025 331st Mukundan314 0 38 18ms 25 Apr 2025 338th MeWhenI 🇻🇦 0 39 143ms 29 Jan 2025 338th emgordon154 0 39 3ms 14 Feb 2025 338th DialFrost 🇸🇬 0 39 149ms 17 Apr 2025 338th Shanethegamer 🇺🇸 0 39 9ms 19 May 2025 338th HumanoidCPU 0 39 4ms 19 May 2025 338th plcc0 0 39 3ms 19 May 2025 338th voytxt 🇨🇿 0 39 4ms 19 May 2025 338th GolfingSuccess 🇬🇷 0 39 3ms 19 May 2025 338th DialFrost 🇸🇬 0 39 4ms 21 May 2025 338th MeWhenI 🇻🇦 0 39 4ms 28 May 2025 338th Jigglypuffed 0 39 5ms 12 Jun 2025 338th xvogt 🇱🇮 0 39 4ms 12 Jun 2025 338th AlephSquirrel 0 39 4ms 12 Jun 2025 338th yobatm 0 39 51ms 3 Aug 2025 338th ndren 0 39 3ms 5 Sep 2025 338th snoozingnewt 🇨🇦 0 39 3ms 15 Sep 2025 338th masikoijo 0 39 5ms 11 Nov 2025 355th emgordon154 0 40 4ms 9 Feb 2025 355th DialFrost 🇸🇬 0 40 7ms 9 Feb 2025 355th GolfingSuccess 🇬🇷 0 40 7ms 12 Feb 2025 355th chunes3 🇺🇸 0 40 3ms 13 Feb 2025 355th HumanoidCPU 0 40 7ms 18 Apr 2025 355th DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 355th ovs-code 🇩🇪 0 40 4ms 19 May 2025 355th Shanethegamer 🇺🇸 0 40 49ms 6 Jun 2025 355th artem-aramma 0 40 3ms 18 Jun 2025 355th alemelis 0 40 14ms 3 Aug 2025 355th frankgraziano 0 40 7ms 13 Aug 2025 355th snoozingnewt 🇨🇦 0 40 8ms 15 Sep 2025 355th JOrE20 🇺🇸 0 40 6ms 18 days ago 368th targrik 0 41 6ms 9 Jul 2025 369th GolfingSuccess 🇬🇷 0 42 3ms 25 Nov 2024 369th AlephSquirrel 0 42 4ms 27 Jan 2025 369th edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 369th Shanethegamer 🇺🇸 0 42 16ms 17 Apr 2025 369th DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 369th edsrzf 🇳🇿 0 42 4ms 17 Apr 2025 369th HumanoidCPU 0 42 3ms 18 Apr 2025 First Prev 301–375 of 2,983 Next Last