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 220th sean-niemann 🇺🇸 0 35 26 Nov 2024 220th DialFrost 🇸🇬 0 35 26 Nov 2024 220th MeWhenI 🇻🇦 0 35 11 Dec 2024 220th HumanoidCPU 0 35 5 Jan 2025 220th CaedenHarper 🇨🇦 0 35 12 Jan 2025 220th voytxt 🇨🇿 0 35 25 Jan 2025 220th saito-ta 🇯🇵 0 35 28 Jan 2025 220th Natanaelel 🇸🇪 0 35 3 Feb 2025 220th targrik 0 35 14 Mar 2025 220th retrohun 0 35 31 Mar 2025 220th DialFrost 🇸🇬 0 35 17 Apr 2025 220th Shanethegamer 🇺🇸 0 35 17 Apr 2025 220th HumanoidCPU 0 35 18 Apr 2025 220th frankgraziano 0 35 18 Apr 2025 220th CaedenHarper 🇨🇦 0 35 18 Apr 2025 220th gigaprofisi 🇺🇸 0 35 17 Jun 2025 220th dokutan 0 35 2 Jul 2025 220th sean-niemann 🇺🇸 0 35 5 Jul 2025 220th edsrzf 🇳🇿 0 35 17 days ago 220th AbrahamJLR 🇻🇪 0 35 16 days ago 246th Shanethegamer 🇺🇸 0 36 20 Nov 2024 246th error256 0 36 21 Nov 2024 246th DialFrost 🇸🇬 0 36 26 Nov 2024 246th emgordon154 0 36 3 Dec 2024 246th SirBogman 🇺🇸 0 36 3 Dec 2024 246th GolfingSuccess 🇬🇷 0 36 7 Dec 2024 246th antimon2 🇯🇵 0 36 16 Dec 2024 246th CaedenHarper 🇨🇦 0 36 4 Jan 2025 246th dokutan 0 36 3 Feb 2025 246th retrohun 0 36 31 Mar 2025 246th ovs-code 🇩🇪 0 36 17 Apr 2025 246th edsrzf 🇳🇿 0 36 17 Apr 2025 246th HumanoidCPU 0 36 18 Apr 2025 246th alemelis 0 36 20 Jun 2025 246th frankgraziano 0 36 29 mins ago 261st ovs-code 🇩🇪 0 37 26 Nov 2024 261st 2bular 0 37 9 Dec 2024 261st Natanaelel 🇸🇪 0 37 26 Jan 2025 261st DialFrost 🇸🇬 0 37 24 Feb 2025 261st Sakisan 🇧🇪 0 37 5 Apr 2025 261st dokutan 0 37 13 Apr 2025 261st DialFrost 🇸🇬 0 37 17 Apr 2025 261st MeWhenI 🇻🇦 0 37 17 Apr 2025 261st Shanethegamer 🇺🇸 0 37 17 Apr 2025 261st GolfingSuccess 🇬🇷 0 37 17 Apr 2025 261st Shanethegamer 🇺🇸 0 37 17 Apr 2025 261st HumanoidCPU 0 37 18 Apr 2025 261st HumanoidCPU 0 37 18 Apr 2025 261st HPWiz 🇳🇿 0 37 18 Apr 2025 261st CaedenHarper 🇨🇦 0 37 18 Apr 2025 261st CaedenHarper 🇨🇦 0 37 19 Apr 2025 261st GolfingSuccess 🇬🇷 0 37 19 Apr 2025 261st edsrzf 🇳🇿 0 37 19 Apr 2025 261st zacjl 0 37 20 Apr 2025 261st frankgraziano 0 37 19 May 2025 261st lynn 0 37 15 Jun 2025 261st frankgraziano 0 37 11 days ago 261st albanian-laundromat 0 37 41 hours ago 261st ovs-code 🇩🇪 0 37 19 hours ago 285th ovs-code 🇩🇪 0 38 25 Nov 2024 285th emgordon154 0 38 27 Nov 2024 285th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 285th ovs-code 🇩🇪 0 38 5 Feb 2025 285th GolfingSuccess 🇬🇷 0 38 15 Feb 2025 285th btjones0 0 38 17 Feb 2025 285th 2bular 0 38 7 Mar 2025 285th Frowny 0 38 10 Mar 2025 285th Shanethegamer 🇺🇸 0 38 17 Apr 2025 285th HumanoidCPU 0 38 18 Apr 2025 285th Mukundan314 0 38 25 Apr 2025 296th SirBogman 🇺🇸 0 39 4 Dec 2024 296th MeWhenI 🇻🇦 0 39 29 Jan 2025 296th DialFrost 🇸🇬 0 39 17 Apr 2025 296th yobatm 0 39 3 days ago 300th emgordon154 0 40 9 Feb 2025 Prev 226–300 of 2,149 Next