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 12 hours ago 79th lynn 0 27 23 Jan 2025 79th HumanoidCPU 0 27 7 Feb 2025 79th MeWhenI 🇻🇦 0 27 14 Feb 2025 82nd Shanethegamer 🇺🇸 0 28 20 Nov 2024 82nd stefangimmillaro 0 28 20 Nov 2024 82nd error256 0 28 21 Nov 2024 82nd GolfingSuccess 🇬🇷 0 28 25 Nov 2024 82nd DialFrost 🇸🇬 0 28 26 Nov 2024 82nd sean-niemann 🇺🇸 0 28 26 Nov 2024 82nd FlyingPenguin223 0 28 27 Nov 2024 82nd emgordon154 0 28 28 Nov 2024 82nd m-tkach 🇺🇦 0 28 28 Nov 2024 82nd lifthrasiir 🇰🇷 0 28 30 Nov 2024 82nd sisyphus-ppcg 🇦🇺 0 28 2 Dec 2024 82nd zacjl 0 28 2 Dec 2024 82nd SirBogman 🇺🇸 0 28 3 Dec 2024 82nd SirBogman 🇺🇸 0 28 3 Dec 2024 82nd 2bular 0 28 9 Dec 2024 82nd Natanaelel 🇸🇪 0 28 9 Dec 2024 82nd MeWhenI 🇻🇦 0 28 11 Dec 2024 82nd antimon2 🇯🇵 0 28 16 Dec 2024 82nd CaedenHarper 🇨🇦 0 28 4 Jan 2025 82nd CLOStrophobic 🇮🇹 0 28 22 Jan 2025 82nd kg583 🇺🇸 0 28 23 Jan 2025 82nd ovs-code 🇩🇪 0 28 31 Jan 2025 82nd pardouin 🇫🇷 0 28 2 Feb 2025 82nd anter69 🇭🇺 0 28 3 Feb 2025 82nd janlelis 0 28 6 Feb 2025 82nd edsrzf 🇳🇿 0 28 8 Feb 2025 82nd targrik 0 28 14 Feb 2025 82nd GolfingSuccess 🇬🇷 0 28 15 Feb 2025 82nd tatzyr 🇯🇵 0 28 16 Feb 2025 82nd chocycat 0 28 1 Mar 2025 82nd paul-c-hartman 0 28 7 Mar 2025 82nd ovs-code 🇩🇪 0 28 17 Apr 2025 82nd DialFrost 🇸🇬 0 28 17 Apr 2025 82nd pardouin 🇫🇷 0 28 17 Apr 2025 82nd DialFrost 🇸🇬 0 28 17 Apr 2025 82nd Shanethegamer 🇺🇸 0 28 17 Apr 2025 82nd Shanethegamer 🇺🇸 0 28 17 Apr 2025 82nd GolfingSuccess 🇬🇷 0 28 17 Apr 2025 82nd edsrzf 🇳🇿 0 28 17 Apr 2025 82nd HumanoidCPU 0 28 18 Apr 2025 82nd HumanoidCPU 0 28 18 Apr 2025 82nd HumanoidCPU 0 28 18 Apr 2025 82nd CaedenHarper 🇨🇦 0 28 18 Apr 2025 82nd plcc0 0 28 21 Apr 2025 82nd Natanaelel 🇸🇪 0 28 23 Apr 2025 82nd dokutan 0 28 28 Apr 2025 82nd greentruff 0 28 10 May 2025 82nd Just4FunCoder 0 28 14 days ago 130th ovs-code 🇩🇪 0 29 25 Nov 2024 130th emgordon154 0 29 26 Nov 2024 130th stefangimmillaro 0 29 26 Nov 2024 130th JunkIce 0 29 3 Dec 2024 130th ndren 0 29 5 Dec 2024 130th CornerMercury 🇬🇧 0 29 5 Dec 2024 130th duckyluuk 🇳🇱 0 29 12 Jan 2025 130th voytxt 🇨🇿 0 29 25 Jan 2025 130th MeWhenI 🇻🇦 0 29 14 Feb 2025 130th targrik 0 29 15 Feb 2025 130th plcc0 0 29 26 Feb 2025 130th gigaprofisi 🇺🇸 0 29 3 Mar 2025 130th Yewzir 🇧🇪 0 29 11 Mar 2025 130th TheZwierzLF 🇵🇱 0 29 1 Jun 2025 130th paiv 0 29 15 days ago 130th DABANANAMAN120 0 29 5 days ago 146th Quirkly-Quasar1 🇺🇸 0 30 3 Dec 2024 146th FlyingPenguin223 0 30 9 Dec 2024 146th MeWhenI 🇻🇦 0 30 11 Dec 2024 146th shadowninja55 🇺🇸 0 30 30 Dec 2024 146th canissimia 🇦🇶 0 30 23 Jan 2025 Prev 76–150 of 1,956 Next