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 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 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 Knight 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 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 Knight 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 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 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 890th rhdqor213 0 68 16 Apr 2025 890th DialFrost 🇸🇬 0 68 17 Apr 2025 890th te-chnical 0 68 6 May 2025 890th edsrzf 🇳🇿 0 68 13 May 2025 890th rucin93 🇵🇱 0 68 14 May 2025 890th cloudyshoe 0 68 15 May 2025 890th jake6192 0 68 30 May 2025 890th 4very 0 68 7 Jun 2025 890th Bpc-CPU 0 68 12 Jul 2025 890th XenThe 🇬🇧 0 68 26 days ago 890th amine4567 0 68 8 days ago 912th sean-niemann 🇺🇸 0 69 13 Dec 2024 912th GolfingSuccess 🇬🇷 0 69 8 Feb 2025 912th DialFrost 🇸🇬 0 69 8 Feb 2025 912th GolfingSuccess 🇬🇷 0 69 8 Feb 2025 912th DialFrost 🇸🇬 0 69 20 Feb 2025 912th pruthvip15 0 69 4 Mar 2025 912th emgordon154 0 69 6 Mar 2025 912th plcc0 0 69 20 Mar 2025 912th kg583 🇺🇸 0 69 18 Apr 2025 912th CaedenHarper 🇨🇦 0 69 18 Apr 2025 912th Shanethegamer 🇺🇸 0 69 23 Apr 2025 912th voytxt 🇨🇿 0 69 28 Apr 2025 912th GolfingSuccess 🇬🇷 0 69 24 May 2025 912th DoubleUynn 0 69 19 Jun 2025 912th bknower 0 69 22 Jun 2025 912th FEZfan 🇦🇺 0 69 7 Jul 2025 928th emgordon154 0 70 27 Nov 2024 928th MeWhenI 🇻🇦 0 70 11 Dec 2024 928th voytxt 🇨🇿 0 70 25 Jan 2025 928th Salutations45 0 70 26 Jan 2025 928th MeWhenI 🇻🇦 0 70 14 Feb 2025 928th targrik 0 70 14 Feb 2025 928th frosster 0 70 11 Mar 2025 928th GolfingSuccess 🇬🇷 0 70 17 Mar 2025 928th Sciman101 0 70 27 Mar 2025 928th cominixo 0 70 6 Apr 2025 928th KasperKivimaeki 🇫🇮 0 70 16 Apr 2025 928th edsrzf 🇳🇿 0 70 18 Apr 2025 928th sean-niemann 🇺🇸 0 70 18 Apr 2025 928th rucin93 🇵🇱 0 70 18 Apr 2025 928th DialFrost 🇸🇬 0 70 18 Apr 2025 928th CaedenHarper 🇨🇦 0 70 18 Apr 2025 928th HumanoidCPU 0 70 19 Apr 2025 928th GolfingSuccess 🇬🇷 0 70 19 Apr 2025 928th inventshah 0 70 23 Apr 2025 928th m-tkach 🇺🇦 0 70 23 Apr 2025 928th Mukundan314 0 70 25 Apr 2025 928th Shanethegamer 🇺🇸 0 70 28 Apr 2025 928th frankgraziano 0 70 8 May 2025 928th ovs-code 🇩🇪 0 70 12 May 2025 928th AlephSquirrel 0 70 14 May 2025 928th JSG-GIT 0 70 15 May 2025 928th RYSF13 🇨🇳 0 70 17 May 2025 928th Shanethegamer 🇺🇸 0 70 21 May 2025 928th edsrzf 🇳🇿 0 70 24 May 2025 928th edsrzf 🇳🇿 0 70 24 May 2025 928th DialFrost 🇸🇬 0 70 24 May 2025 928th Shanethegamer 🇺🇸 0 70 24 May 2025 928th acollett89 0 70 3 Jun 2025 928th Shanethegamer 🇺🇸 0 70 6 Jun 2025 928th FEZfan 🇦🇺 0 70 7 Jul 2025 928th albanian-laundromat 0 70 10 Jul 2025 928th Jojoemc2 0 70 11 Jul 2025 928th Jeremy-Vidaurri 0 70 13 Jul 2025 928th Jigglypuffed 0 70 27 days ago 928th AstroOrbis 0 70 24 days ago 928th frankgraziano 0 70 19 days ago 928th xiaoyiming123 0 70 18 days ago 928th kTheLemon 0 70 15 days ago 971st emgordon154 0 71 28 Nov 2024 971st MeWhenI 🇻🇦 0 71 11 Dec 2024 971st zacjl 0 71 23 Jan 2025 971st psethwick 0 71 30 Jan 2025 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