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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 349th HumanoidCPU 0 43 18 Apr 2025 349th HumanoidCPU 0 43 18 Apr 2025 349th rucin93 🇵🇱 0 43 18 Apr 2025 349th CaedenHarper 🇨🇦 0 43 18 Apr 2025 349th CaedenHarper 🇨🇦 0 43 18 Apr 2025 349th Seek64 🇩🇪 0 43 29 Apr 2025 349th sisyphus-ppcg 🇦🇺 0 43 8 May 2025 349th jitwit 0 43 10 May 2025 349th greentruff 0 43 11 May 2025 349th gigaprofisi 🇺🇸 0 43 17 Jun 2025 349th dokutan 0 43 2 Jul 2025 349th anter69 🇭🇺 0 43 9 Jul 2025 349th AbrahamJLR 🇻🇪 0 43 20 Jul 2025 349th targrik 0 43 12 days ago 349th snoozingnewt 🇺🇸 0 43 8 days ago 349th snoozingnewt 🇺🇸 0 43 8 days ago 349th snoozingnewt 🇺🇸 0 43 8 days ago 393rd duckyluuk 🇳🇱 0 44 12 Jan 2025 393rd GolfingSuccess 🇬🇷 0 44 12 Feb 2025 393rd error256 0 44 17 Apr 2025 393rd MeWhenI 🇻🇦 0 44 17 Apr 2025 393rd MeWhenI 🇻🇦 0 44 17 Apr 2025 393rd DialFrost 🇸🇬 0 44 17 Apr 2025 393rd Shanethegamer 🇺🇸 0 44 17 Apr 2025 393rd pardouin 🇫🇷 0 44 17 Apr 2025 393rd HumanoidCPU 0 44 18 Apr 2025 393rd CaedenHarper 🇨🇦 0 44 18 Apr 2025 393rd dokutan 0 44 28 Apr 2025 393rd stefangimmillaro 0 44 14 Jul 2025 393rd edsrzf 🇳🇿 0 44 22 days ago 393rd DialFrost 🇸🇬 0 44 19 days ago 393rd frederni 0 44 12 days ago 393rd snoozingnewt 🇺🇸 0 44 8 days ago 409th ovs-code 🇩🇪 0 45 26 Nov 2024 409th Natanaelel 🇸🇪 0 45 2 Feb 2025 409th emgordon154 0 45 23 Feb 2025 409th DialFrost 🇸🇬 0 45 23 Feb 2025 409th GolfingSuccess 🇬🇷 0 45 25 Feb 2025 409th GolfingSuccess 🇬🇷 0 45 26 Feb 2025 409th Shanethegamer 🇺🇸 0 45 20 May 2025 409th edsrzf 🇳🇿 0 45 24 May 2025 409th albanian-laundromat 0 45 11 days ago 409th CaedenHarper 🇨🇦 0 45 11 days ago 409th emgordon154 0 45 9 days ago 409th snoozingnewt 🇺🇸 0 45 8 days ago 409th eprovst 🇧🇪 0 45 7 days ago 422nd Shanethegamer 🇺🇸 0 46 20 Nov 2024 422nd ovs-code 🇩🇪 0 46 25 Nov 2024 422nd DialFrost 🇸🇬 0 46 26 Nov 2024 422nd sean-niemann 🇺🇸 0 46 26 Nov 2024 422nd GolfingSuccess 🇬🇷 0 46 6 Dec 2024 422nd MeWhenI 🇻🇦 0 46 11 Dec 2024 422nd CaedenHarper 🇨🇦 0 46 12 Jan 2025 422nd HumanoidCPU 0 46 18 Apr 2025 422nd 2bular 0 46 1 Jun 2025 422nd uiu007 0 46 9 days ago 422nd snoozingnewt 🇺🇸 0 46 8 days ago 422nd snoozingnewt 🇺🇸 0 46 8 days ago 434th ovs-code 🇩🇪 0 47 25 Nov 2024 434th MeWhenI 🇻🇦 0 47 11 Dec 2024 434th duckyluuk 🇳🇱 0 47 12 Jan 2025 434th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 434th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 434th DialFrost 🇸🇬 0 47 17 Apr 2025 434th Shanethegamer 🇺🇸 0 47 17 Apr 2025 434th HumanoidCPU 0 47 18 Apr 2025 434th CaedenHarper 🇨🇦 0 47 18 Apr 2025 434th edsrzf 🇳🇿 0 47 26 May 2025 434th frankgraziano 0 47 23 Aug 2025 434th snoozingnewt 🇺🇸 0 47 8 days ago 446th emgordon154 0 48 27 Nov 2024 446th targrik 0 48 15 Feb 2025 448th JunkIce 0 49 3 Dec 2024 448th duckyluuk 🇳🇱 0 49 12 Jan 2025 448th csharpython 0 49 5 Feb 2025 Prev 376–450 of 2,512 Next