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 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 Bytes Time Submitted 647th targrik 0 61 5ms 15 Feb 2025 647th attila8192 0 61 11ms 1 Mar 2025 647th targrik 0 61 2ms 14 Mar 2025 647th janlelis 0 61 14ms 31 Mar 2025 647th b-illy 🇬🇧 0 61 10ms 16 Apr 2025 647th janbehrens 🇩🇪 0 61 18ms 17 Apr 2025 647th pardouin 🇫🇷 0 61 11ms 17 Apr 2025 647th Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 647th edsrzf 🇳🇿 0 61 14ms 17 Apr 2025 647th HumanoidCPU 0 61 121ms 18 Apr 2025 647th HumanoidCPU 0 61 12ms 18 Apr 2025 647th AlephSquirrel 0 61 12ms 20 Apr 2025 647th Sam-Vrgl 0 61 12ms 13 May 2025 647th c-py 0 61 18ms 14 May 2025 647th albanian-laundromat 0 61 126ms 6 Jun 2025 647th Andrey-Plotnikov 0 61 14ms 19 Jun 2025 647th a6166231 🇨🇳 0 61 13ms 20 Jun 2025 647th BREMAUCY 🇫🇷 0 61 12ms 1 Jul 2025 647th RYSF13 🇨🇳 0 61 14ms 5 Jul 2025 647th p01 0 61 12ms 28 Jul 2025 647th KrausRaus 🇺🇸 0 61 12ms 29 Jul 2025 647th dmrichwa 🇺🇸 0 61 11ms 29 Jul 2025 647th dokutan 0 61 3ms 5 Aug 2025 647th gitchaell 🇧🇴 0 61 19ms 6 Aug 2025 647th lukepolak 0 61 14ms 7 Aug 2025 647th adrianbgo 0 61 15ms 7 Aug 2025 647th helbling 🇨🇭 0 61 12ms 28 Aug 2025 647th snoozingnewt 🇺🇸 0 61 130ms 15 Sep 2025 647th snoozingnewt 🇺🇸 0 61 12ms 15 Sep 2025 705th emgordon154 0 62 3ms 27 Nov 2024 705th CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 705th DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 705th dokutan 0 62 1,597ms 15 Jul 2025 705th gaving-quadprep 0 62 51ms 8 days ago 710th kg583 🇺🇸 0 63 55ms 21 Nov 2024 710th emgordon154 0 63 119ms 27 Nov 2024 710th emgordon154 0 63 198ms 28 Nov 2024 710th rucin93 🇵🇱 0 63 185ms 3 Dec 2024 710th lukegustafson 🇺🇸 0 63 204ms 7 Dec 2024 710th sean-niemann 🇺🇸 0 63 189ms 10 Dec 2024 710th MeWhenI 🇻🇦 0 63 9ms 18 Dec 2024 710th zacjl 0 63 63ms 31 Dec 2024 710th Shanethegamer 🇺🇸 0 63 197ms 10 Jan 2025 710th CLOStrophobic 🇮🇹 0 63 65ms 17 Jan 2025 710th edsrzf 🇳🇿 0 63 64ms 9 Feb 2025 710th GolfingSuccess 🇬🇷 0 63 66ms 9 Feb 2025 710th Nemikolh 🇫🇷 0 63 17ms 12 Feb 2025 710th GolfingSuccess 🇬🇷 0 63 152ms 20 Feb 2025 710th varhammer 🇷🇺 0 63 7ms 22 Feb 2025 710th voytxt 🇨🇿 0 63 190ms 17 Apr 2025 710th FlyingPenguin223 0 63 51ms 17 Apr 2025 710th DialFrost 🇸🇬 0 63 190ms 17 Apr 2025 710th DialFrost 🇸🇬 0 63 9ms 17 Apr 2025 710th DialFrost 🇸🇬 0 63 57ms 17 Apr 2025 710th pardouin 🇫🇷 0 63 185ms 17 Apr 2025 710th Shanethegamer 🇺🇸 0 63 9ms 17 Apr 2025 710th Shanethegamer 🇺🇸 0 63 65ms 17 Apr 2025 710th GolfingSuccess 🇬🇷 0 63 8ms 17 Apr 2025 710th HumanoidCPU 0 63 190ms 18 Apr 2025 710th HumanoidCPU 0 63 9ms 18 Apr 2025 710th HumanoidCPU 0 63 60ms 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 194ms 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 8ms 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 48ms 18 Apr 2025 710th dokutan 0 63 184ms 28 Apr 2025 710th dokutan 0 63 8ms 28 Apr 2025 710th Jigglypuffed 0 63 50ms 19 Jul 2025 710th penous 0 63 12ms 2 Aug 2025 710th YellowDudeIsMe 0 63 11ms 14 Aug 2025 710th albanian-laundromat 0 63 9ms 22 Aug 2025 710th snoozingnewt 🇺🇸 0 63 198ms 15 Sep 2025 710th snoozingnewt 🇺🇸 0 63 9ms 15 Sep 2025 710th snoozingnewt 🇺🇸 0 63 49ms 15 Sep 2025 749th Shanethegamer 🇺🇸 0 64 799ms 20 Nov 2024 749th error256 0 64 694ms 21 Nov 2024 First Prev 676–750 of 2,738 Next Last
