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 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 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 64th pardouin 🇫🇷 0 26 262ms 2 Feb 2025 64th ovs-code 🇩🇪 0 26 266ms 2 Feb 2025 64th Natanaelel 🇸🇪 0 26 257ms 2 Feb 2025 64th HumanoidCPU 0 26 247ms 4 Feb 2025 64th MeWhenI 🇻🇦 0 26 199ms 14 Feb 2025 64th targrik 0 26 184ms 14 Feb 2025 64th xyangst 0 26 267ms 14 Feb 2025 64th emgordon154 0 26 53ms 19 Feb 2025 64th juliansiebert 🇩🇪 0 26 263ms 5 Apr 2025 64th kg583 🇺🇸 0 26 254ms 9 Apr 2025 64th m-tkach 🇺🇦 0 26 262ms 23 Apr 2025 64th dokutan 0 26 255ms 28 Apr 2025 64th BREMAUCY 🇫🇷 0 26 221ms 1 Jul 2025 64th Msleizak 🇫🇷 0 26 221ms 4 Jul 2025 64th snoozingnewt 🇨🇦 0 26 253ms 15 Sep 2025 64th GolfingSuccess 🇬🇷 0 26 880ms 10 Oct 2025 64th edsrzf 🇳🇿 0 26 214ms 12 Oct 2025 64th namelessiw 0 26 352ms 24 Oct 2025 94th lynn 0 27 51ms 23 Jan 2025 94th HumanoidCPU 0 27 964ms 7 Feb 2025 94th MeWhenI 🇻🇦 0 27 787ms 14 Feb 2025 97th Shanethegamer 🇺🇸 0 28 123ms 20 Nov 2024 97th stefangimmillaro 0 28 51ms 20 Nov 2024 97th error256 0 28 48ms 21 Nov 2024 97th GolfingSuccess 🇬🇷 0 28 43ms 25 Nov 2024 97th DialFrost 🇸🇬 0 28 48ms 26 Nov 2024 97th sean-niemann 🇺🇸 0 28 42ms 26 Nov 2024 97th FlyingPenguin223 0 28 50ms 27 Nov 2024 97th emgordon154 0 28 50ms 28 Nov 2024 97th m-tkach 🇺🇦 0 28 49ms 28 Nov 2024 97th lifthrasiir 🇰🇷 0 28 6ms 30 Nov 2024 97th sisyphus-ppcg 🇦🇺 0 28 45ms 2 Dec 2024 97th zacjl 0 28 6ms 2 Dec 2024 97th SirBogman 🇺🇸 0 28 6ms 3 Dec 2024 97th SirBogman 🇺🇸 0 28 50ms 3 Dec 2024 97th 2bular 0 28 6ms 9 Dec 2024 97th Natanaelel 🇸🇪 0 28 51ms 9 Dec 2024 97th MeWhenI 🇻🇦 0 28 51ms 11 Dec 2024 97th antimon2 🇯🇵 0 28 51ms 16 Dec 2024 97th CaedenHarper 🇨🇦 0 28 49ms 4 Jan 2025 97th CLOStrophobic 🇮🇹 0 28 47ms 22 Jan 2025 97th kg583 🇺🇸 0 28 49ms 23 Jan 2025 97th ovs-code 🇩🇪 0 28 50ms 31 Jan 2025 97th pardouin 🇫🇷 0 28 49ms 2 Feb 2025 97th anter69 🇭🇺 0 28 48ms 3 Feb 2025 97th janlelis 0 28 49ms 6 Feb 2025 97th edsrzf 🇳🇿 0 28 634ms 8 Feb 2025 97th targrik 0 28 916ms 14 Feb 2025 97th tatzyr 🇯🇵 0 28 34ms 16 Feb 2025 97th chocycat 0 28 45ms 1 Mar 2025 97th paul-c-hartman 0 28 53ms 7 Mar 2025 97th ovs-code 🇩🇪 0 28 610ms 17 Apr 2025 97th DialFrost 🇸🇬 0 28 405ms 17 Apr 2025 97th pardouin 🇫🇷 0 28 6ms 17 Apr 2025 97th DialFrost 🇸🇬 0 28 6ms 17 Apr 2025 97th Shanethegamer 🇺🇸 0 28 1,125ms 17 Apr 2025 97th Shanethegamer 🇺🇸 0 28 8ms 17 Apr 2025 97th GolfingSuccess 🇬🇷 0 28 6ms 17 Apr 2025 97th edsrzf 🇳🇿 0 28 50ms 17 Apr 2025 97th HumanoidCPU 0 28 605ms 18 Apr 2025 97th HumanoidCPU 0 28 6ms 18 Apr 2025 97th HumanoidCPU 0 28 53ms 18 Apr 2025 97th CaedenHarper 🇨🇦 0 28 9ms 18 Apr 2025 97th plcc0 0 28 43ms 21 Apr 2025 97th Natanaelel 🇸🇪 0 28 5ms 23 Apr 2025 97th dokutan 0 28 6ms 28 Apr 2025 97th greentruff 0 28 6ms 10 May 2025 97th Just4FunCoder 0 28 51ms 18 Jun 2025 97th xiaoyiming123 0 28 1,123ms 12 Jul 2025 97th AbrahamJLR 🇻🇪 0 28 55ms 18 Jul 2025 97th Matter1024 🇮🇳 0 28 52ms 11 Aug 2025 97th vishal-mohanty 0 28 49ms 24 Aug 2025 97th frankgraziano 0 28 6ms 6 Sep 2025 97th LostSyntax21 🇬🇧 0 28 53ms 11 Sep 2025 97th snoozingnewt 🇨🇦 0 28 1,344ms 15 Sep 2025 First Prev 76–150 of 2,961 Next Last