Tutorial in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 54th m-tkach 🇺🇦 0 26 23 Apr 2025 54th dokutan 0 26 28 Apr 2025 54th BREMAUCY 🇫🇷 0 26 2 days ago 54th Msleizak 🇫🇷 0 26 3 hours ago 80th lynn 0 27 23 Jan 2025 80th HumanoidCPU 0 27 7 Feb 2025 80th MeWhenI 🇻🇦 0 27 14 Feb 2025 83rd Shanethegamer 🇺🇸 0 28 20 Nov 2024 83rd stefangimmillaro 0 28 20 Nov 2024 83rd error256 0 28 21 Nov 2024 83rd GolfingSuccess 🇬🇷 0 28 25 Nov 2024 83rd DialFrost 🇸🇬 0 28 26 Nov 2024 83rd sean-niemann 🇺🇸 0 28 26 Nov 2024 83rd FlyingPenguin223 0 28 27 Nov 2024 83rd emgordon154 0 28 28 Nov 2024 83rd m-tkach 🇺🇦 0 28 28 Nov 2024 83rd lifthrasiir 🇰🇷 0 28 30 Nov 2024 83rd sisyphus-ppcg 🇦🇺 0 28 2 Dec 2024 83rd zacjl 0 28 2 Dec 2024 83rd SirBogman 🇺🇸 0 28 3 Dec 2024 83rd SirBogman 🇺🇸 0 28 3 Dec 2024 83rd 2bular 0 28 9 Dec 2024 83rd Natanaelel 🇸🇪 0 28 9 Dec 2024 83rd MeWhenI 🇻🇦 0 28 11 Dec 2024 83rd antimon2 🇯🇵 0 28 16 Dec 2024 83rd CaedenHarper 🇨🇦 0 28 4 Jan 2025 83rd CLOStrophobic 🇮🇹 0 28 22 Jan 2025 83rd kg583 🇺🇸 0 28 23 Jan 2025 83rd ovs-code 🇩🇪 0 28 31 Jan 2025 83rd pardouin 🇫🇷 0 28 2 Feb 2025 83rd anter69 🇭🇺 0 28 3 Feb 2025 83rd janlelis 0 28 6 Feb 2025 83rd edsrzf 🇳🇿 0 28 8 Feb 2025 83rd targrik 0 28 14 Feb 2025 83rd GolfingSuccess 🇬🇷 0 28 15 Feb 2025 83rd tatzyr 🇯🇵 0 28 16 Feb 2025 83rd chocycat 0 28 1 Mar 2025 83rd paul-c-hartman 0 28 7 Mar 2025 83rd ovs-code 🇩🇪 0 28 17 Apr 2025 83rd DialFrost 🇸🇬 0 28 17 Apr 2025 83rd pardouin 🇫🇷 0 28 17 Apr 2025 83rd DialFrost 🇸🇬 0 28 17 Apr 2025 83rd Shanethegamer 🇺🇸 0 28 17 Apr 2025 83rd Shanethegamer 🇺🇸 0 28 17 Apr 2025 83rd GolfingSuccess 🇬🇷 0 28 17 Apr 2025 83rd edsrzf 🇳🇿 0 28 17 Apr 2025 83rd HumanoidCPU 0 28 18 Apr 2025 83rd HumanoidCPU 0 28 18 Apr 2025 83rd HumanoidCPU 0 28 18 Apr 2025 83rd CaedenHarper 🇨🇦 0 28 18 Apr 2025 83rd plcc0 0 28 21 Apr 2025 83rd Natanaelel 🇸🇪 0 28 23 Apr 2025 83rd dokutan 0 28 28 Apr 2025 83rd greentruff 0 28 10 May 2025 83rd Just4FunCoder 0 28 16 days ago 131st ovs-code 🇩🇪 0 29 25 Nov 2024 131st emgordon154 0 29 26 Nov 2024 131st stefangimmillaro 0 29 26 Nov 2024 131st JunkIce 0 29 3 Dec 2024 131st ndren 0 29 5 Dec 2024 131st CornerMercury 🇬🇧 0 29 5 Dec 2024 131st duckyluuk 🇳🇱 0 29 12 Jan 2025 131st voytxt 🇨🇿 0 29 25 Jan 2025 131st MeWhenI 🇻🇦 0 29 14 Feb 2025 131st targrik 0 29 15 Feb 2025 131st plcc0 0 29 26 Feb 2025 131st gigaprofisi 🇺🇸 0 29 3 Mar 2025 131st Yewzir 🇧🇪 0 29 11 Mar 2025 131st TheZwierzLF 🇵🇱 0 29 1 Jun 2025 131st paiv 0 29 17 days ago 131st DABANANAMAN120 0 29 7 days ago 147th Quirkly-Quasar1 🇺🇸 0 30 3 Dec 2024 147th FlyingPenguin223 0 30 9 Dec 2024 147th MeWhenI 🇻🇦 0 30 11 Dec 2024 147th shadowninja55 🇺🇸 0 30 30 Dec 2024 Prev 76–150 of 1,966 Next