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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle 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 6 hours 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 19 hours ago 19th GolfingSuccess 🇬🇷 0 15 15 Feb 2025 19th kg583 🇺🇸 0 15 21 Mar 2025 19th Shanethegamer 🇺🇸 0 15 17 Apr 2025 19th HumanoidCPU 0 15 18 Apr 2025 19th snoozingnewt 🇺🇸 0 15 6 hours ago 24th emgordon154 0 17 8 Feb 2025 24th plcc0 0 17 13 Feb 2025 24th MeWhenI 🇻🇦 0 17 14 Feb 2025 24th targrik 0 17 15 Feb 2025 24th plcc0 0 17 26 Feb 2025 24th DialFrost 🇸🇬 0 17 17 Apr 2025 30th emgordon154 0 18 5 Mar 2025 30th JOrE-Softwares 0 18 21 May 2025 30th yanjs 0 18 5 Jul 2025 33rd Shanethegamer 🇺🇸 0 20 4 Feb 2025 33rd GolfingSuccess 🇬🇷 0 20 5 Feb 2025 33rd HumanoidCPU 0 20 6 Feb 2025 33rd edsrzf 🇳🇿 0 20 8 Feb 2025 33rd plcc0 0 20 10 Feb 2025 33rd 2bular 0 20 11 Feb 2025 33rd Natanaelel 🇸🇪 0 20 11 Feb 2025 33rd kg583 🇺🇸 0 20 13 Feb 2025 33rd DialFrost 🇸🇬 0 20 13 Feb 2025 33rd MeWhenI 🇻🇦 0 20 14 Feb 2025 33rd targrik 0 20 14 Feb 2025 33rd ndren 0 20 5 Apr 2025 33rd darrenks 0 20 5 Apr 2025 33rd Yewzir 🇧🇪 0 20 5 Apr 2025 33rd frankgraziano 0 20 23 Apr 2025 33rd emgordon154 0 20 3 May 2025 33rd gigaprofisi 🇺🇸 0 20 17 Jun 2025 33rd snoozingnewt 🇺🇸 0 20 6 hours ago 51st GolfingSuccess 🇬🇷 0 23 25 Nov 2024 51st AlephSquirrel 0 23 25 Nov 2024 51st lifthrasiir 🇰🇷 0 23 26 Nov 2024 51st ovs-code 🇩🇪 0 23 26 Nov 2024 51st CLOStrophobic 🇮🇹 0 23 19 Jan 2025 51st pardouin 🇫🇷 0 23 2 Feb 2025 51st MeWhenI 🇻🇦 0 23 2 Feb 2025 51st GolfingSuccess 🇬🇷 0 23 5 Feb 2025 51st plcc0 0 23 13 Feb 2025 51st plcc0 0 23 13 Feb 2025 51st emgordon154 0 23 19 Feb 2025 51st 2bular 0 23 3 Mar 2025 51st DialFrost 🇸🇬 0 23 17 Apr 2025 51st Shanethegamer 🇺🇸 0 23 17 Apr 2025 51st edsrzf 🇳🇿 0 23 17 Apr 2025 51st HumanoidCPU 0 23 18 Apr 2025 51st CaedenHarper 🇨🇦 0 23 18 Apr 2025 51st Shanethegamer 🇺🇸 0 23 20 May 2025 51st snoozingnewt 🇺🇸 0 23 18 hours ago 51st snoozingnewt 🇺🇸 0 23 18 hours ago 71st Natanaelel 🇸🇪 0 24 23 Jan 2025 71st TheZwierzLF 🇵🇱 0 24 1 Jun 2025 73rd Shanethegamer 🇺🇸 0 26 20 Nov 2024 73rd btnlq 0 26 26 Nov 2024 73rd sean-niemann 🇺🇸 0 26 26 Nov 2024 1–75 of 2,427 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