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 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 Trinomial Triangle 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 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 Trinomial Triangle 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 Turtle Tutorial # Golfer Points Chars Time 799th HETHAT 🇩🇿 0 65 3 Sep 2025 799th republic82 0 65 13 Sep 2025 799th snoozingnewt 🇺🇸 0 65 27 days ago 799th snoozingnewt 🇺🇸 0 65 27 days ago 799th snoozingnewt 🇺🇸 0 65 26 days ago 799th edsrzf 🇳🇿 0 65 23 days ago 799th GolfingSuccess 🇬🇷 0 65 23 days ago 799th DialFrost 🇸🇬 0 65 23 days ago 799th retrohun 0 65 22 days ago 799th ahmetdemirag 🇨🇾 0 65 17 days ago 799th ShikChen 🇹🇼 0 65 15 days ago 799th Shanethegamer 🇺🇸 0 65 13 days ago 799th davecame 0 65 8 days ago 799th CommandLeo 🇮🇹 0 65 7 days ago 799th ThePixelatedCat 0 65 6 days ago 799th snoozingnewt 🇺🇸 0 65 5 days ago 917th Shanethegamer 🇺🇸 0 66 22 Nov 2024 917th GolfingSuccess 🇬🇷 0 66 25 Nov 2024 917th MeWhenI 🇻🇦 0 66 11 Dec 2024 917th rollershutter 0 66 18 Dec 2024 917th duckyluuk 🇳🇱 0 66 12 Jan 2025 917th duckyluuk 🇳🇱 0 66 12 Jan 2025 917th GolfingSuccess 🇬🇷 0 66 5 Feb 2025 917th fourth-bit 0 66 8 Feb 2025 917th emgordon154 0 66 17 Feb 2025 917th lowtied 0 66 18 Feb 2025 917th chunes3 🇺🇸 0 66 21 Feb 2025 917th Languag3 0 66 28 Feb 2025 917th gigaprofisi 🇺🇸 0 66 3 Mar 2025 917th Stockoh 🇫🇷 0 66 3 Mar 2025 917th targrik 0 66 14 Mar 2025 917th jatloe 0 66 17 Mar 2025 917th Jacob385 0 66 15 Apr 2025 917th moustave 0 66 16 Apr 2025 917th Kacarott 🇦🇺 0 66 17 Apr 2025 917th edsrzf 🇳🇿 0 66 17 Apr 2025 917th HumanoidCPU 0 66 18 Apr 2025 917th CaedenHarper 🇨🇦 0 66 18 Apr 2025 917th DialFrost 🇸🇬 0 66 23 Apr 2025 917th Shanethegamer 🇺🇸 0 66 23 Apr 2025 917th emgordon154 0 66 23 Apr 2025 917th andrewjc2000 0 66 5 May 2025 917th Ealeex 0 66 10 Jun 2025 917th smilesformiles3 0 66 15 Jun 2025 917th coldham10 0 66 27 Jun 2025 917th ffelixm 0 66 1 Jul 2025 917th idaflux 0 66 5 Jul 2025 917th hiichbindermax 0 66 5 Aug 2025 917th TheTrustyPwo 0 66 8 Sep 2025 917th snoozingnewt 🇺🇸 0 66 27 days ago 917th targrik 0 66 23 days ago 917th targrik 0 66 23 days ago 917th andres-k 0 66 21 days ago 917th FranklinJiaChen 0 66 11 days ago 955th FlyingPenguin223 0 67 21 Nov 2024 955th Jacob385 0 67 21 Nov 2024 955th Jacob385 0 67 21 Nov 2024 955th GolfingSuccess 🇬🇷 0 67 25 Nov 2024 955th GolfingSuccess 🇬🇷 0 67 7 Dec 2024 955th duckyluuk 🇳🇱 0 67 3 Jan 2025 955th Vexxter9 🇳🇱 0 67 14 Jan 2025 955th kamihitoe 0 67 15 Jan 2025 955th CutSandstone 0 67 1 Feb 2025 955th adityagiri3600 0 67 2 Feb 2025 955th edsrzf 🇳🇿 0 67 7 Feb 2025 955th martindotexe 🇳🇴 0 67 13 Feb 2025 955th IcedDog 0 67 14 Feb 2025 955th n3xta 0 67 14 Feb 2025 955th xyangst 0 67 14 Feb 2025 955th btjones0 0 67 17 Feb 2025 955th smclaughlin-cf 0 67 19 Feb 2025 955th Troon 0 67 21 Feb 2025 955th pol-7 0 67 6 Mar 2025 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