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 440th snoozingnewt 🇺🇸 0 47 20 days ago 452nd emgordon154 0 48 27 Nov 2024 452nd targrik 0 48 15 Feb 2025 454th JunkIce 0 49 3 Dec 2024 454th duckyluuk 🇳🇱 0 49 12 Jan 2025 454th csharpython 0 49 5 Feb 2025 454th voytxt 🇨🇿 0 49 8 Feb 2025 454th gigaprofisi 🇺🇸 0 49 3 Mar 2025 454th emgordon154 0 49 23 Apr 2025 454th xvogt 🇱🇮 0 49 13 Jun 2025 454th Jagger002 0 49 24 Jun 2025 454th alphafalfa 0 49 18 Aug 2025 454th J09M 0 49 12 days ago 464th Shanethegamer 🇺🇸 0 50 20 Nov 2024 464th stefangimmillaro 0 50 21 Nov 2024 464th duckyluuk 🇳🇱 0 50 26 Nov 2024 464th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 464th voytxt 🇨🇿 0 50 25 Jan 2025 464th pardouin 🇫🇷 0 50 26 Jan 2025 464th Natanaelel 🇸🇪 0 50 26 Jan 2025 464th janlelis 0 50 31 Mar 2025 464th DialFrost 🇸🇬 0 50 17 Apr 2025 464th edsrzf 🇳🇿 0 50 17 Apr 2025 464th HumanoidCPU 0 50 18 Apr 2025 464th CaedenHarper 🇨🇦 0 50 18 Apr 2025 464th snoozingnewt 🇺🇸 0 50 20 days ago 477th FlyingPenguin223 0 51 21 Nov 2024 477th MeWhenI 🇻🇦 0 51 11 Dec 2024 477th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 477th h3ra993huskp 🇯🇵 0 51 15 Aug 2025 481st Shanethegamer 🇺🇸 0 52 4 Feb 2025 481st ovs-code 🇩🇪 0 52 5 Feb 2025 481st HumanoidCPU 0 52 7 Feb 2025 481st targrik 0 52 15 Feb 2025 481st GolfingSuccess 🇬🇷 0 52 15 Feb 2025 481st emgordon154 0 52 5 Mar 2025 481st 2bular 0 52 5 Mar 2025 481st MeWhenI 🇻🇦 0 52 17 Apr 2025 481st DialFrost 🇸🇬 0 52 17 Apr 2025 481st ovs-code 🇩🇪 0 52 31 May 2025 481st LostSyntax21 🇬🇧 0 52 19 Jul 2025 481st snoozingnewt 🇺🇸 0 52 20 days ago 493rd kg583 🇺🇸 0 53 21 Nov 2024 493rd GolfingSuccess 🇬🇷 0 53 14 Mar 2025 493rd rucin93 🇵🇱 0 53 17 Apr 2025 493rd zacjl 0 53 17 Apr 2025 493rd Shanethegamer 🇺🇸 0 53 17 Apr 2025 493rd CaedenHarper 🇨🇦 0 53 17 Apr 2025 493rd pardouin 🇫🇷 0 53 17 Apr 2025 493rd DialFrost 🇸🇬 0 53 17 Apr 2025 493rd sean-niemann 🇺🇸 0 53 17 Apr 2025 493rd HumanoidCPU 0 53 18 Apr 2025 493rd m-tkach 🇺🇦 0 53 23 Apr 2025 493rd emgordon154 0 53 23 Apr 2025 493rd duckyluuk 🇳🇱 0 53 13 Jun 2025 493rd duckyluuk 🇳🇱 0 53 13 Jun 2025 493rd DialFrost 🇸🇬 0 53 13 Jun 2025 493rd MeWhenI 🇻🇦 0 53 14 Jun 2025 493rd rucin93 🇵🇱 0 53 14 Jun 2025 493rd BREMAUCY 🇫🇷 0 53 1 Jul 2025 493rd GolfingSuccess 🇬🇷 0 53 2 Jul 2025 493rd fuzzylojik-golf 🇺🇸 0 53 15 Jul 2025 493rd ovs-code 🇩🇪 0 53 18 Jul 2025 493rd snoozingnewt 🇺🇸 0 53 20 days ago 493rd snoozingnewt 🇺🇸 0 53 20 days ago 493rd snoozingnewt 🇺🇸 0 53 20 days ago 493rd SirBogman 🇺🇸 0 53 74 mins ago 518th neel11235813 0 54 9 Dec 2024 518th b-illy 🇬🇧 0 54 4 Jan 2025 518th CLOStrophobic 🇮🇹 0 54 22 Jan 2025 518th edsrzf 🇳🇿 0 54 7 Aug 2025 522nd lifthrasiir 🇰🇷 0 55 2 Dec 2024 522nd Yewzir 🇧🇪 0 55 28 Dec 2024 522nd JunkIce 0 55 7 Jan 2025 522nd CLOStrophobic 🇮🇹 0 55 22 Jan 2025 First Prev 451–525 of 2,549 Next Last