Tutorial in all languages in bytes. 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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 288th HPWiz 🇳🇿 0 37 16ms 18 Apr 2025 288th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 288th CaedenHarper 🇨🇦 0 37 14ms 19 Apr 2025 288th GolfingSuccess 🇬🇷 0 37 50ms 19 Apr 2025 288th edsrzf 🇳🇿 0 37 14ms 19 Apr 2025 288th zacjl 0 37 6ms 20 Apr 2025 288th frankgraziano 0 37 45ms 19 May 2025 288th lynn 0 37 49ms 15 Jun 2025 288th frankgraziano 0 37 19ms 26 Jul 2025 288th albanian-laundromat 0 37 18ms 4 Aug 2025 288th snoozingnewt 🇺🇸 0 37 48ms 15 Sep 2025 288th snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 288th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 314th ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 314th sean-niemann 🇺🇸 0 38 47ms 26 Nov 2024 314th emgordon154 0 38 5ms 27 Nov 2024 314th CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 314th btjones0 0 38 3ms 17 Feb 2025 314th Frowny 0 38 47ms 10 Mar 2025 314th Mukundan314 0 38 14ms 25 Apr 2025 321st MeWhenI 🇻🇦 0 39 115ms 29 Jan 2025 321st emgordon154 0 39 3ms 14 Feb 2025 321st DialFrost 🇸🇬 0 39 135ms 17 Apr 2025 321st Shanethegamer 🇺🇸 0 39 3ms 19 May 2025 321st HumanoidCPU 0 39 3ms 19 May 2025 321st plcc0 0 39 3ms 19 May 2025 321st voytxt 🇨🇿 0 39 3ms 19 May 2025 321st GolfingSuccess 🇬🇷 0 39 3ms 19 May 2025 321st DialFrost 🇸🇬 0 39 3ms 21 May 2025 321st MeWhenI 🇻🇦 0 39 3ms 28 May 2025 321st Jigglypuffed 0 39 3ms 12 Jun 2025 321st xvogt 🇱🇮 0 39 3ms 12 Jun 2025 321st AlephSquirrel 0 39 3ms 12 Jun 2025 321st yobatm 0 39 41ms 3 Aug 2025 321st ndren 0 39 3ms 5 Sep 2025 321st snoozingnewt 🇺🇸 0 39 3ms 15 Sep 2025 337th emgordon154 0 40 4ms 9 Feb 2025 337th DialFrost 🇸🇬 0 40 5ms 9 Feb 2025 337th GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 337th chunes3 🇺🇸 0 40 4ms 13 Feb 2025 337th HumanoidCPU 0 40 8ms 18 Apr 2025 337th DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 337th ovs-code 🇩🇪 0 40 3ms 19 May 2025 337th Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 337th artem-aramma 0 40 4ms 18 Jun 2025 337th alemelis 0 40 19ms 3 Aug 2025 337th frankgraziano 0 40 8ms 13 Aug 2025 337th snoozingnewt 🇺🇸 0 40 7ms 15 Sep 2025 349th targrik 0 41 3ms 9 Jul 2025 350th GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 350th AlephSquirrel 0 42 4ms 27 Jan 2025 350th edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 350th Shanethegamer 🇺🇸 0 42 3ms 17 Apr 2025 350th DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 350th edsrzf 🇳🇿 0 42 6ms 17 Apr 2025 350th HumanoidCPU 0 42 5ms 18 Apr 2025 350th CaedenHarper 🇨🇦 0 42 4ms 18 Apr 2025 350th zacjl 0 42 4ms 20 Apr 2025 350th dokutan 0 42 4ms 28 Apr 2025 350th TheZwierzLF 🇵🇱 0 42 3ms 2 Jun 2025 350th snoozingnewt 🇺🇸 0 42 4ms 15 Sep 2025 362nd Shanethegamer 🇺🇸 0 43 1,458ms 20 Nov 2024 362nd stefangimmillaro 0 43 1,747ms 20 Nov 2024 362nd error256 0 43 1,745ms 21 Nov 2024 362nd GolfingSuccess 🇬🇷 0 43 3ms 25 Nov 2024 362nd xsot 🇸🇬 0 43 3ms 26 Nov 2024 362nd sean-niemann 🇺🇸 0 43 2ms 26 Nov 2024 362nd emgordon154 0 43 1,505ms 26 Nov 2024 362nd GolfingSuccess 🇬🇷 0 43 1,920ms 9 Dec 2024 362nd MeWhenI 🇻🇦 0 43 1,802ms 11 Dec 2024 362nd MeWhenI 🇻🇦 0 43 528ms 11 Dec 2024 362nd Natanaelel 🇸🇪 0 43 7ms 26 Jan 2025 362nd pardouin 🇫🇷 0 43 1,601ms 2 Feb 2025 362nd error256 0 43 2,282ms 5 Feb 2025 362nd sean-niemann 🇺🇸 0 43 2,031ms 6 Feb 2025 First Prev 301–375 of 2,848 Next Last