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 1st lyxal 🇦🇺 0 10 5 Feb 2025 1st plcc0 0 10 13 Feb 2025 1st GolfingSuccess 🇬🇷 0 10 15 Feb 2025 1st themoonisacheese 0 10 21 Feb 2025 1st DialFrost 🇸🇬 0 10 22 Apr 2025 1st Shanethegamer 🇺🇸 0 10 23 Apr 2025 1st RYSF13 🇨🇳 0 10 18 May 2025 1st dokutan 0 10 18 Aug 2025 1st snoozingnewt 🇺🇸 0 10 24 days ago 10th emgordon154 0 11 17 Feb 2025 11th edsrzf 🇳🇿 0 14 8 Feb 2025 11th GolfingSuccess 🇬🇷 0 14 15 Feb 2025 11th ovs-code 🇩🇪 0 14 17 Apr 2025 11th DialFrost 🇸🇬 0 14 17 Apr 2025 11th Mukundan314 0 14 17 Apr 2025 11th Shanethegamer 🇺🇸 0 14 17 Apr 2025 11th HumanoidCPU 0 14 18 Apr 2025 11th snoozingnewt 🇺🇸 0 14 24 days ago 11th namelessiw 0 14 10 hours ago 20th GolfingSuccess 🇬🇷 0 15 15 Feb 2025 20th kg583 🇺🇸 0 15 21 Mar 2025 20th Shanethegamer 🇺🇸 0 15 17 Apr 2025 20th HumanoidCPU 0 15 18 Apr 2025 20th snoozingnewt 🇺🇸 0 15 24 days ago 25th emgordon154 0 17 8 Feb 2025 25th plcc0 0 17 13 Feb 2025 25th MeWhenI 🇻🇦 0 17 14 Feb 2025 25th targrik 0 17 15 Feb 2025 25th plcc0 0 17 26 Feb 2025 25th DialFrost 🇸🇬 0 17 17 Apr 2025 31st emgordon154 0 18 5 Mar 2025 31st JOrE-Softwares 0 18 21 May 2025 31st yanjs 0 18 5 Jul 2025 34th Shanethegamer 🇺🇸 0 20 4 Feb 2025 34th GolfingSuccess 🇬🇷 0 20 5 Feb 2025 34th HumanoidCPU 0 20 6 Feb 2025 34th edsrzf 🇳🇿 0 20 8 Feb 2025 34th plcc0 0 20 10 Feb 2025 34th 2bular 0 20 11 Feb 2025 34th Natanaelel 🇸🇪 0 20 11 Feb 2025 34th kg583 🇺🇸 0 20 13 Feb 2025 34th DialFrost 🇸🇬 0 20 13 Feb 2025 34th MeWhenI 🇻🇦 0 20 14 Feb 2025 34th targrik 0 20 14 Feb 2025 34th ndren 0 20 5 Apr 2025 34th darrenks 0 20 5 Apr 2025 34th Yewzir 🇧🇪 0 20 5 Apr 2025 34th frankgraziano 0 20 23 Apr 2025 34th emgordon154 0 20 3 May 2025 34th gigaprofisi 🇺🇸 0 20 17 Jun 2025 34th snoozingnewt 🇺🇸 0 20 24 days ago 34th luuumine 🇫🇷 0 20 5 mins ago 53rd GolfingSuccess 🇬🇷 0 23 25 Nov 2024 53rd AlephSquirrel 0 23 25 Nov 2024 53rd lifthrasiir 🇰🇷 0 23 26 Nov 2024 53rd ovs-code 🇩🇪 0 23 26 Nov 2024 53rd CLOStrophobic 🇮🇹 0 23 19 Jan 2025 53rd pardouin 🇫🇷 0 23 2 Feb 2025 53rd MeWhenI 🇻🇦 0 23 2 Feb 2025 53rd GolfingSuccess 🇬🇷 0 23 5 Feb 2025 53rd plcc0 0 23 13 Feb 2025 53rd plcc0 0 23 13 Feb 2025 53rd emgordon154 0 23 19 Feb 2025 53rd 2bular 0 23 3 Mar 2025 53rd DialFrost 🇸🇬 0 23 17 Apr 2025 53rd Shanethegamer 🇺🇸 0 23 17 Apr 2025 53rd edsrzf 🇳🇿 0 23 17 Apr 2025 53rd HumanoidCPU 0 23 18 Apr 2025 53rd CaedenHarper 🇨🇦 0 23 18 Apr 2025 53rd Shanethegamer 🇺🇸 0 23 20 May 2025 53rd snoozingnewt 🇺🇸 0 23 24 days ago 53rd snoozingnewt 🇺🇸 0 23 24 days ago 53rd ndren 0 23 15 days ago 53rd CornerMercury 🇬🇧 0 23 15 days ago 75th Natanaelel 🇸🇪 0 24 23 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