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 Submitted 357th edsrzf 🇳🇿 0 42 13 Jun 2025 357th snoozingnewt 🇺🇸 0 42 4ms 15 Sep 2025 357th snoozingnewt 🇺🇸 0 42 15 Sep 2025 379th Shanethegamer 🇺🇸 0 43 1,558ms 20 Nov 2024 379th stefangimmillaro 0 43 20 Nov 2024 379th error256 0 43 21 Nov 2024 379th GolfingSuccess 🇬🇷 0 43 3ms 25 Nov 2024 379th xsot 🇸🇬 0 43 3ms 26 Nov 2024 379th sean-niemann 🇺🇸 0 43 2ms 26 Nov 2024 379th emgordon154 0 43 26 Nov 2024 379th GolfingSuccess 🇬🇷 0 43 9 Dec 2024 379th MeWhenI 🇻🇦 0 43 11 Dec 2024 379th MeWhenI 🇻🇦 0 43 11 Dec 2024 379th Natanaelel 🇸🇪 0 43 7ms 26 Jan 2025 379th pardouin 🇫🇷 0 43 2 Feb 2025 379th error256 0 43 5 Feb 2025 379th sean-niemann 🇺🇸 0 43 6 Feb 2025 379th Shanethegamer 🇺🇸 0 43 2,450ms 7 Feb 2025 379th GolfingSuccess 🇬🇷 0 43 8 Feb 2025 379th GrayJoKing 🇦🇺 0 43 3ms 18 Mar 2025 379th DialFrost 🇸🇬 0 43 17 Apr 2025 379th Salutations45 0 43 3ms 17 Apr 2025 379th edsrzf 🇳🇿 0 43 17 Apr 2025 379th DialFrost 🇸🇬 0 43 3ms 17 Apr 2025 379th DialFrost 🇸🇬 0 43 17 Apr 2025 379th Shanethegamer 🇺🇸 0 43 3ms 17 Apr 2025 379th edsrzf 🇳🇿 0 43 18 Apr 2025 379th kg583 🇺🇸 0 43 18 Apr 2025 379th sean-niemann 🇺🇸 0 43 18 Apr 2025 379th HumanoidCPU 0 43 3ms 18 Apr 2025 379th HumanoidCPU 0 43 18 Apr 2025 379th HumanoidCPU 0 43 18 Apr 2025 379th rucin93 🇵🇱 0 43 2ms 18 Apr 2025 379th CaedenHarper 🇨🇦 0 43 3ms 18 Apr 2025 379th CaedenHarper 🇨🇦 0 43 18 Apr 2025 379th Seek64 🇩🇪 0 43 29 Apr 2025 379th sisyphus-ppcg 🇦🇺 0 43 3ms 8 May 2025 379th jitwit 0 43 10 May 2025 379th dokutan 0 43 8ms 2 Jul 2025 379th anter69 🇭🇺 0 43 9 Jul 2025 379th AbrahamJLR 🇻🇪 0 43 20 Jul 2025 379th targrik 0 43 11 Sep 2025 379th snoozingnewt 🇺🇸 0 43 3ms 15 Sep 2025 379th snoozingnewt 🇺🇸 0 43 15 Sep 2025 379th snoozingnewt 🇺🇸 0 43 15 Sep 2025 379th SirBogman 🇺🇸 0 43 16 days ago 422nd duckyluuk 🇳🇱 0 44 12 Jan 2025 422nd GolfingSuccess 🇬🇷 0 44 2ms 12 Feb 2025 422nd error256 0 44 3ms 17 Apr 2025 422nd MeWhenI 🇻🇦 0 44 2ms 17 Apr 2025 422nd MeWhenI 🇻🇦 0 44 4ms 17 Apr 2025 422nd DialFrost 🇸🇬 0 44 5ms 17 Apr 2025 422nd Shanethegamer 🇺🇸 0 44 2ms 17 Apr 2025 422nd pardouin 🇫🇷 0 44 3ms 17 Apr 2025 422nd HumanoidCPU 0 44 3ms 18 Apr 2025 422nd CaedenHarper 🇨🇦 0 44 2ms 18 Apr 2025 422nd dokutan 0 44 2ms 28 Apr 2025 422nd stefangimmillaro 0 44 2ms 14 Jul 2025 422nd edsrzf 🇳🇿 0 44 1 Sep 2025 422nd DialFrost 🇸🇬 0 44 4 Sep 2025 422nd frederni 0 44 229ms 11 Sep 2025 422nd snoozingnewt 🇺🇸 0 44 2ms 15 Sep 2025 422nd sean-niemann 🇺🇸 0 44 20 days ago 439th ovs-code 🇩🇪 0 45 3ms 26 Nov 2024 439th Natanaelel 🇸🇪 0 45 3ms 2 Feb 2025 439th emgordon154 0 45 18ms 23 Feb 2025 439th DialFrost 🇸🇬 0 45 15ms 23 Feb 2025 439th GolfingSuccess 🇬🇷 0 45 15ms 25 Feb 2025 439th GolfingSuccess 🇬🇷 0 45 26 Feb 2025 439th Shanethegamer 🇺🇸 0 45 14ms 20 May 2025 439th edsrzf 🇳🇿 0 45 14ms 24 May 2025 439th albanian-laundromat 0 45 11 Sep 2025 439th CaedenHarper 🇨🇦 0 45 12 Sep 2025 439th emgordon154 0 45 13 Sep 2025 439th snoozingnewt 🇺🇸 0 45 15ms 15 Sep 2025 First Prev 376–450 of 2,699 Next Last