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 721st dokutan 0 63 8ms 28 Apr 2025 721st Jigglypuffed 0 63 48ms 19 Jul 2025 721st penous 0 63 12ms 2 Aug 2025 721st YellowDudeIsMe 0 63 11ms 14 Aug 2025 721st albanian-laundromat 0 63 9ms 22 Aug 2025 721st snoozingnewt 🇺🇸 0 63 214ms 15 Sep 2025 721st snoozingnewt 🇺🇸 0 63 9ms 15 Sep 2025 721st snoozingnewt 🇺🇸 0 63 48ms 15 Sep 2025 759th Shanethegamer 🇺🇸 0 64 658ms 20 Nov 2024 759th error256 0 64 694ms 21 Nov 2024 759th error256 0 64 14ms 21 Nov 2024 759th emgordon154 0 64 3ms 26 Nov 2024 759th Liniarc 0 64 11ms 26 Nov 2024 759th MeWhenI 🇻🇦 0 64 52ms 12 Dec 2024 759th Chinay-Domitrix 🇺🇸 0 64 4,020ms 18 Apr 2025 759th luuumine 🇫🇷 0 64 17ms 24 days ago 767th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 767th stefangimmillaro 0 65 10ms 20 Nov 2024 767th kg583 🇺🇸 0 65 15ms 21 Nov 2024 767th khvdm 0 65 14ms 21 Nov 2024 767th edsrzf 🇳🇿 0 65 14ms 21 Nov 2024 767th hallvabo 🇳🇴 0 65 14ms 24 Nov 2024 767th ovs-code 🇩🇪 0 65 14ms 25 Nov 2024 767th GolfingSuccess 🇬🇷 0 65 14ms 25 Nov 2024 767th AlephSquirrel 0 65 13ms 25 Nov 2024 767th AlephSquirrel 0 65 48ms 25 Nov 2024 767th pardouin 🇫🇷 0 65 14ms 25 Nov 2024 767th btnlq 0 65 14ms 26 Nov 2024 767th CaedenHarper 🇨🇦 0 65 14ms 26 Nov 2024 767th emgordon154 0 65 15ms 26 Nov 2024 767th inventshah 0 65 15ms 26 Nov 2024 767th sean-niemann 🇺🇸 0 65 169ms 26 Nov 2024 767th stefangimmillaro 0 65 162ms 26 Nov 2024 767th duckyluuk 🇳🇱 0 65 14ms 26 Nov 2024 767th m-tkach 🇺🇦 0 65 20ms 26 Nov 2024 767th ovs-code 🇩🇪 0 65 2ms 26 Nov 2024 767th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 767th lifthrasiir 🇰🇷 0 65 13ms 30 Nov 2024 767th zacjl 0 65 15ms 1 Dec 2024 767th zacjl 0 65 8ms 1 Dec 2024 767th sisyphus-ppcg 🇦🇺 0 65 10ms 2 Dec 2024 767th JunkIce 0 65 14ms 3 Dec 2024 767th SirBogman 🇺🇸 0 65 15ms 3 Dec 2024 767th xsot 🇸🇬 0 65 15ms 4 Dec 2024 767th ndren 0 65 10ms 5 Dec 2024 767th CornerMercury 🇬🇧 0 65 13ms 5 Dec 2024 767th lukegustafson 🇺🇸 0 65 13ms 7 Dec 2024 767th Europe2048 0 65 14ms 7 Dec 2024 767th neel11235813 0 65 14ms 9 Dec 2024 767th Seek64 🇩🇪 0 65 14ms 10 Dec 2024 767th MeWhenI 🇻🇦 0 65 3ms 11 Dec 2024 767th antimon2 🇯🇵 0 65 15ms 16 Dec 2024 767th error256 0 65 8ms 16 Dec 2024 767th edsrzf 🇳🇿 0 65 8ms 18 Dec 2024 767th bizy-coder 0 65 14ms 28 Dec 2024 767th Bulmenisaurus 0 65 13ms 1 Jan 2025 767th m-tkach 🇺🇦 0 65 187ms 3 Jan 2025 767th b-illy 🇬🇧 0 65 13ms 4 Jan 2025 767th emgordon154 0 65 10ms 11 Jan 2025 767th CLOStrophobic 🇮🇹 0 65 14ms 22 Jan 2025 767th prplz 🇦🇺 0 65 17ms 23 Jan 2025 767th kg583 🇺🇸 0 65 9ms 23 Jan 2025 767th CLOStrophobic 🇮🇹 0 65 10ms 23 Jan 2025 767th sean-niemann 🇺🇸 0 65 14ms 23 Jan 2025 767th mathisfun271 0 65 15ms 25 Jan 2025 767th aliberro39109 0 65 13ms 25 Jan 2025 767th Natanaelel 🇸🇪 0 65 13ms 26 Jan 2025 767th Shanethegamer 🇺🇸 0 65 11ms 30 Jan 2025 767th firegene 🇮🇪 0 65 14ms 30 Jan 2025 767th Lydxn 🇨🇦 0 65 14ms 31 Jan 2025 767th commandblockguy 🇺🇸 0 65 17ms 2 Feb 2025 767th GolfingSuccess 🇬🇷 0 65 8ms 3 Feb 2025 767th bricknellj 0 65 10ms 5 Feb 2025 767th qpwoeirut 0 65 4,419ms 7 Feb 2025 767th xyangst 0 65 11ms 14 Feb 2025 First Prev 751–825 of 2,848 Next Last