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 298th DialFrost 🇸🇬 0 37 24 Feb 2025 298th Sakisan 🇧🇪 0 37 5 Apr 2025 298th dokutan 0 37 13 Apr 2025 298th DialFrost 🇸🇬 0 37 17 Apr 2025 298th MeWhenI 🇻🇦 0 37 17 Apr 2025 298th Shanethegamer 🇺🇸 0 37 17 Apr 2025 298th GolfingSuccess 🇬🇷 0 37 17 Apr 2025 298th Shanethegamer 🇺🇸 0 37 17 Apr 2025 298th HumanoidCPU 0 37 18 Apr 2025 298th HumanoidCPU 0 37 18 Apr 2025 298th HPWiz 🇳🇿 0 37 18 Apr 2025 298th CaedenHarper 🇨🇦 0 37 18 Apr 2025 298th CaedenHarper 🇨🇦 0 37 19 Apr 2025 298th GolfingSuccess 🇬🇷 0 37 19 Apr 2025 298th edsrzf 🇳🇿 0 37 19 Apr 2025 298th zacjl 0 37 20 Apr 2025 298th frankgraziano 0 37 19 May 2025 298th lynn 0 37 15 Jun 2025 298th frankgraziano 0 37 26 Jul 2025 298th albanian-laundromat 0 37 4 Aug 2025 298th snoozingnewt 🇺🇸 0 37 24 days ago 298th snoozingnewt 🇺🇸 0 37 24 days ago 298th SirBogman 🇺🇸 0 37 4 days ago 324th ovs-code 🇩🇪 0 38 25 Nov 2024 324th emgordon154 0 38 27 Nov 2024 324th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 324th ovs-code 🇩🇪 0 38 5 Feb 2025 324th GolfingSuccess 🇬🇷 0 38 15 Feb 2025 324th btjones0 0 38 17 Feb 2025 324th 2bular 0 38 7 Mar 2025 324th Frowny 0 38 10 Mar 2025 324th Shanethegamer 🇺🇸 0 38 17 Apr 2025 324th HumanoidCPU 0 38 18 Apr 2025 324th Mukundan314 0 38 25 Apr 2025 324th snoozingnewt 🇺🇸 0 38 24 days ago 336th MeWhenI 🇻🇦 0 39 29 Jan 2025 336th DialFrost 🇸🇬 0 39 17 Apr 2025 336th yobatm 0 39 3 Aug 2025 339th emgordon154 0 40 9 Feb 2025 339th DialFrost 🇸🇬 0 40 9 Feb 2025 339th GolfingSuccess 🇬🇷 0 40 12 Feb 2025 339th chunes3 🇺🇸 0 40 13 Feb 2025 339th targrik 0 40 15 Feb 2025 339th emgordon154 0 40 5 Mar 2025 339th MeWhenI 🇻🇦 0 40 17 Apr 2025 339th DialFrost 🇸🇬 0 40 17 Apr 2025 339th HumanoidCPU 0 40 18 Apr 2025 339th DialFrost 🇸🇬 0 40 20 Apr 2025 339th Shanethegamer 🇺🇸 0 40 6 Jun 2025 339th artem-aramma 0 40 18 Jun 2025 339th LostSyntax21 🇬🇧 0 40 19 Jul 2025 339th alemelis 0 40 3 Aug 2025 339th frankgraziano 0 40 13 Aug 2025 339th snoozingnewt 🇺🇸 0 40 24 days ago 355th GolfingSuccess 🇬🇷 0 42 25 Nov 2024 355th AlephSquirrel 0 42 27 Jan 2025 355th ovs-code 🇩🇪 0 42 4 Feb 2025 355th GolfingSuccess 🇬🇷 0 42 15 Feb 2025 355th 2bular 0 42 5 Mar 2025 355th edsrzf 🇳🇿 0 42 21 Mar 2025 355th DialFrost 🇸🇬 0 42 17 Apr 2025 355th zacjl 0 42 17 Apr 2025 355th Shanethegamer 🇺🇸 0 42 17 Apr 2025 355th Shanethegamer 🇺🇸 0 42 17 Apr 2025 355th DialFrost 🇸🇬 0 42 17 Apr 2025 355th edsrzf 🇳🇿 0 42 17 Apr 2025 355th HumanoidCPU 0 42 18 Apr 2025 355th HumanoidCPU 0 42 18 Apr 2025 355th CaedenHarper 🇨🇦 0 42 18 Apr 2025 355th zacjl 0 42 20 Apr 2025 355th dokutan 0 42 28 Apr 2025 355th dokutan 0 42 28 Apr 2025 355th TheZwierzLF 🇵🇱 0 42 2 Jun 2025 355th edsrzf 🇳🇿 0 42 13 Jun 2025 355th snoozingnewt 🇺🇸 0 42 24 days ago First Prev 301–375 of 2,532 Next Last