Tutorial in all languages in chars. 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 218th dokutan 0 36 3 Feb 2025 218th retrohun 0 36 31 Mar 2025 218th ovs-code 🇩🇪 0 36 17 Apr 2025 218th edsrzf 🇳🇿 0 36 17 Apr 2025 218th HumanoidCPU 0 36 18 Apr 2025 231st ovs-code 🇩🇪 0 37 26 Nov 2024 231st 2bular 0 37 9 Dec 2024 231st Natanaelel 🇸🇪 0 37 26 Jan 2025 231st DialFrost 🇸🇬 0 37 24 Feb 2025 231st Sakisan 🇧🇪 0 37 5 Apr 2025 231st dokutan 0 37 13 Apr 2025 231st DialFrost 🇸🇬 0 37 17 Apr 2025 231st MeWhenI 🇻🇦 0 37 17 Apr 2025 231st Shanethegamer 🇺🇸 0 37 17 Apr 2025 231st GolfingSuccess 🇬🇷 0 37 17 Apr 2025 231st Shanethegamer 🇺🇸 0 37 17 Apr 2025 231st HumanoidCPU 0 37 18 Apr 2025 231st HumanoidCPU 0 37 18 Apr 2025 231st HPWiz 🇳🇿 0 37 18 Apr 2025 231st CaedenHarper 🇨🇦 0 37 18 Apr 2025 231st CaedenHarper 🇨🇦 0 37 19 Apr 2025 231st GolfingSuccess 🇬🇷 0 37 19 Apr 2025 231st edsrzf 🇳🇿 0 37 19 Apr 2025 231st zacjl 0 37 20 Apr 2025 250th ovs-code 🇩🇪 0 38 25 Nov 2024 250th sean-niemann 🇺🇸 0 38 26 Nov 2024 250th emgordon154 0 38 27 Nov 2024 250th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 250th ovs-code 🇩🇪 0 38 5 Feb 2025 250th GolfingSuccess 🇬🇷 0 38 15 Feb 2025 250th btjones0 0 38 17 Feb 2025 250th 2bular 0 38 7 Mar 2025 250th Frowny 0 38 10 Mar 2025 250th Shanethegamer 🇺🇸 0 38 17 Apr 2025 250th HumanoidCPU 0 38 18 Apr 2025 250th Mukundan314 0 38 23 days ago 262nd SirBogman 🇺🇸 0 39 4 Dec 2024 262nd MeWhenI 🇻🇦 0 39 29 Jan 2025 262nd DialFrost 🇸🇬 0 39 17 Apr 2025 265th emgordon154 0 40 9 Feb 2025 265th DialFrost 🇸🇬 0 40 9 Feb 2025 265th GolfingSuccess 🇬🇷 0 40 12 Feb 2025 265th chunes3 🇺🇸 0 40 13 Feb 2025 265th targrik 0 40 15 Feb 2025 265th emgordon154 0 40 5 Mar 2025 265th MeWhenI 🇻🇦 0 40 17 Apr 2025 265th DialFrost 🇸🇬 0 40 17 Apr 2025 265th HumanoidCPU 0 40 18 Apr 2025 265th DialFrost 🇸🇬 0 40 20 Apr 2025 275th GolfingSuccess 🇬🇷 0 42 25 Nov 2024 275th AlephSquirrel 0 42 27 Jan 2025 275th ovs-code 🇩🇪 0 42 4 Feb 2025 275th GolfingSuccess 🇬🇷 0 42 15 Feb 2025 275th 2bular 0 42 5 Mar 2025 275th edsrzf 🇳🇿 0 42 21 Mar 2025 275th DialFrost 🇸🇬 0 42 17 Apr 2025 275th zacjl 0 42 17 Apr 2025 275th Shanethegamer 🇺🇸 0 42 17 Apr 2025 275th Shanethegamer 🇺🇸 0 42 17 Apr 2025 275th DialFrost 🇸🇬 0 42 17 Apr 2025 275th edsrzf 🇳🇿 0 42 17 Apr 2025 275th HumanoidCPU 0 42 18 Apr 2025 275th HumanoidCPU 0 42 18 Apr 2025 275th CaedenHarper 🇨🇦 0 42 18 Apr 2025 275th zacjl 0 42 20 Apr 2025 275th dokutan 0 42 20 days ago 275th dokutan 0 42 20 days ago 293rd Shanethegamer 🇺🇸 0 43 20 Nov 2024 293rd stefangimmillaro 0 43 20 Nov 2024 293rd error256 0 43 21 Nov 2024 293rd GolfingSuccess 🇬🇷 0 43 25 Nov 2024 293rd xsot 🇸🇬 0 43 26 Nov 2024 293rd sean-niemann 🇺🇸 0 43 26 Nov 2024 293rd emgordon154 0 43 26 Nov 2024 293rd GolfingSuccess 🇬🇷 0 43 9 Dec 2024 Prev 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