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 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 Chars Time 561st AlephSquirrel 0 61 20 Apr 2025 561st Sam-Vrgl 0 61 13 May 2025 561st c-py 0 61 14 May 2025 561st albanian-laundromat 0 61 6 Jun 2025 561st Andrey-Plotnikov 0 61 16 days ago 561st a6166231 🇨🇳 0 61 15 days ago 561st elana-teal 0 61 14 days ago 561st BREMAUCY 🇫🇷 0 61 3 days ago 561st RYSF13 🇨🇳 0 61 2 hours ago 610th emgordon154 0 62 27 Nov 2024 610th CLOStrophobic 🇮🇹 0 62 4 Feb 2025 610th DialFrost 🇸🇬 0 62 15 Feb 2025 610th heanyang1 0 62 26 Mar 2025 614th kg583 🇺🇸 0 63 21 Nov 2024 614th emgordon154 0 63 27 Nov 2024 614th sean-niemann 🇺🇸 0 63 10 Dec 2024 614th MeWhenI 🇻🇦 0 63 18 Dec 2024 614th zacjl 0 63 31 Dec 2024 614th CLOStrophobic 🇮🇹 0 63 17 Jan 2025 614th edsrzf 🇳🇿 0 63 9 Feb 2025 614th GolfingSuccess 🇬🇷 0 63 9 Feb 2025 614th Nemikolh 0 63 12 Feb 2025 614th GolfingSuccess 🇬🇷 0 63 20 Feb 2025 614th varhammer 🇷🇺 0 63 22 Feb 2025 614th voytxt 🇨🇿 0 63 17 Apr 2025 614th FlyingPenguin223 0 63 17 Apr 2025 614th DialFrost 🇸🇬 0 63 17 Apr 2025 614th DialFrost 🇸🇬 0 63 17 Apr 2025 614th DialFrost 🇸🇬 0 63 17 Apr 2025 614th pardouin 🇫🇷 0 63 17 Apr 2025 614th Shanethegamer 🇺🇸 0 63 17 Apr 2025 614th Shanethegamer 🇺🇸 0 63 17 Apr 2025 614th GolfingSuccess 🇬🇷 0 63 17 Apr 2025 614th HumanoidCPU 0 63 18 Apr 2025 614th HumanoidCPU 0 63 18 Apr 2025 614th HumanoidCPU 0 63 18 Apr 2025 614th CaedenHarper 🇨🇦 0 63 18 Apr 2025 614th CaedenHarper 🇨🇦 0 63 18 Apr 2025 614th CaedenHarper 🇨🇦 0 63 18 Apr 2025 614th dokutan 0 63 28 Apr 2025 641st Shanethegamer 🇺🇸 0 64 20 Nov 2024 641st error256 0 64 21 Nov 2024 641st error256 0 64 21 Nov 2024 641st emgordon154 0 64 26 Nov 2024 641st Liniarc 0 64 26 Nov 2024 641st Natanaelel 🇸🇪 0 64 9 Dec 2024 641st MeWhenI 🇻🇦 0 64 12 Dec 2024 641st MeWhenI 🇻🇦 0 64 14 Feb 2025 641st targrik 0 64 15 Feb 2025 641st calum12345 0 64 25 Mar 2025 641st Chinay-Domitrix 🇺🇸 0 64 18 Apr 2025 641st sean-niemann 🇺🇸 0 64 30 Apr 2025 641st TheDrawingCoder-Gamer 0 64 6 days ago 654th Shanethegamer 🇺🇸 0 65 20 Nov 2024 654th stefangimmillaro 0 65 20 Nov 2024 654th edsrzf 🇳🇿 0 65 21 Nov 2024 654th ovs-code 🇩🇪 0 65 25 Nov 2024 654th GolfingSuccess 🇬🇷 0 65 25 Nov 2024 654th AlephSquirrel 0 65 25 Nov 2024 654th AlephSquirrel 0 65 25 Nov 2024 654th pardouin 🇫🇷 0 65 25 Nov 2024 654th btnlq 0 65 26 Nov 2024 654th CaedenHarper 🇨🇦 0 65 26 Nov 2024 654th inventshah 0 65 26 Nov 2024 654th sean-niemann 🇺🇸 0 65 26 Nov 2024 654th stefangimmillaro 0 65 26 Nov 2024 654th duckyluuk 🇳🇱 0 65 26 Nov 2024 654th ovs-code 🇩🇪 0 65 26 Nov 2024 654th Alex-x90 🇺🇸 0 65 28 Nov 2024 654th zacjl 0 65 1 Dec 2024 654th zacjl 0 65 1 Dec 2024 654th sisyphus-ppcg 🇦🇺 0 65 2 Dec 2024 654th SirBogman 🇺🇸 0 65 3 Dec 2024 654th xsot 🇸🇬 0 65 4 Dec 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