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 297th Sakisan 🇧🇪 0 37 14ms 5 Apr 2025 297th dokutan 0 37 15ms 13 Apr 2025 297th DialFrost 🇸🇬 0 37 47ms 17 Apr 2025 297th MeWhenI 🇻🇦 0 37 21ms 17 Apr 2025 297th Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 297th GolfingSuccess 🇬🇷 0 37 28ms 17 Apr 2025 297th Shanethegamer 🇺🇸 0 37 19ms 17 Apr 2025 297th HumanoidCPU 0 37 48ms 18 Apr 2025 297th HumanoidCPU 0 37 15ms 18 Apr 2025 297th HPWiz 🇳🇿 0 37 16ms 18 Apr 2025 297th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 297th CaedenHarper 🇨🇦 0 37 14ms 19 Apr 2025 297th GolfingSuccess 🇬🇷 0 37 50ms 19 Apr 2025 297th edsrzf 🇳🇿 0 37 14ms 19 Apr 2025 297th zacjl 0 37 6ms 20 Apr 2025 297th frankgraziano 0 37 45ms 19 May 2025 297th lynn 0 37 49ms 15 Jun 2025 297th frankgraziano 0 37 19ms 26 Jul 2025 297th albanian-laundromat 0 37 18ms 4 Aug 2025 297th snoozingnewt 🇺🇸 0 37 48ms 15 Sep 2025 297th snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 297th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 323rd ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 323rd sean-niemann 🇺🇸 0 38 47ms 26 Nov 2024 323rd emgordon154 0 38 5ms 27 Nov 2024 323rd CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 323rd btjones0 0 38 3ms 17 Feb 2025 323rd Frowny 0 38 47ms 10 Mar 2025 323rd Mukundan314 0 38 14ms 25 Apr 2025 330th MeWhenI 🇻🇦 0 39 142ms 29 Jan 2025 330th emgordon154 0 39 4ms 14 Feb 2025 330th DialFrost 🇸🇬 0 39 132ms 17 Apr 2025 330th Shanethegamer 🇺🇸 0 39 3ms 19 May 2025 330th HumanoidCPU 0 39 3ms 19 May 2025 330th plcc0 0 39 4ms 19 May 2025 330th voytxt 🇨🇿 0 39 3ms 19 May 2025 330th GolfingSuccess 🇬🇷 0 39 4ms 19 May 2025 330th DialFrost 🇸🇬 0 39 4ms 21 May 2025 330th MeWhenI 🇻🇦 0 39 3ms 28 May 2025 330th Jigglypuffed 0 39 4ms 12 Jun 2025 330th xvogt 🇱🇮 0 39 3ms 12 Jun 2025 330th AlephSquirrel 0 39 4ms 12 Jun 2025 330th yobatm 0 39 41ms 3 Aug 2025 330th ndren 0 39 3ms 5 Sep 2025 330th snoozingnewt 🇺🇸 0 39 4ms 15 Sep 2025 330th masikoijo 0 39 4ms 16 days ago 347th emgordon154 0 40 5ms 9 Feb 2025 347th DialFrost 🇸🇬 0 40 4ms 9 Feb 2025 347th GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 347th chunes3 🇺🇸 0 40 4ms 13 Feb 2025 347th HumanoidCPU 0 40 8ms 18 Apr 2025 347th DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 347th ovs-code 🇩🇪 0 40 3ms 19 May 2025 347th Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 347th artem-aramma 0 40 4ms 18 Jun 2025 347th alemelis 0 40 19ms 3 Aug 2025 347th frankgraziano 0 40 8ms 13 Aug 2025 347th snoozingnewt 🇺🇸 0 40 7ms 15 Sep 2025 347th JOrE20 🇺🇸 0 40 7ms 4 days ago 360th targrik 0 41 3ms 9 Jul 2025 361st GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 361st AlephSquirrel 0 42 4ms 27 Jan 2025 361st edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 361st Shanethegamer 🇺🇸 0 42 3ms 17 Apr 2025 361st DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 361st edsrzf 🇳🇿 0 42 6ms 17 Apr 2025 361st HumanoidCPU 0 42 5ms 18 Apr 2025 361st CaedenHarper 🇨🇦 0 42 4ms 18 Apr 2025 361st zacjl 0 42 4ms 20 Apr 2025 361st dokutan 0 42 4ms 28 Apr 2025 361st TheZwierzLF 🇵🇱 0 42 3ms 2 Jun 2025 361st snoozingnewt 🇺🇸 0 42 4ms 15 Sep 2025 361st JOrE20 🇺🇸 0 42 3ms 8 days ago 374th Shanethegamer 🇺🇸 0 43 1,458ms 20 Nov 2024 374th stefangimmillaro 0 43 1,747ms 20 Nov 2024 First Prev 301–375 of 2,923 Next Last