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 442nd edsrzf 🇳🇿 0 47 26 May 2025 442nd frankgraziano 0 47 23 Aug 2025 442nd snoozingnewt 🇺🇸 0 47 23 days ago 454th emgordon154 0 48 27 Nov 2024 454th targrik 0 48 15 Feb 2025 456th JunkIce 0 49 3 Dec 2024 456th duckyluuk 🇳🇱 0 49 12 Jan 2025 456th csharpython 0 49 5 Feb 2025 456th voytxt 🇨🇿 0 49 8 Feb 2025 456th gigaprofisi 🇺🇸 0 49 3 Mar 2025 456th emgordon154 0 49 23 Apr 2025 456th xvogt 🇱🇮 0 49 13 Jun 2025 456th Jagger002 0 49 24 Jun 2025 456th alphafalfa 0 49 18 Aug 2025 456th J09M 0 49 15 days ago 466th Shanethegamer 🇺🇸 0 50 20 Nov 2024 466th stefangimmillaro 0 50 21 Nov 2024 466th duckyluuk 🇳🇱 0 50 26 Nov 2024 466th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 466th voytxt 🇨🇿 0 50 25 Jan 2025 466th pardouin 🇫🇷 0 50 26 Jan 2025 466th Natanaelel 🇸🇪 0 50 26 Jan 2025 466th janlelis 0 50 31 Mar 2025 466th DialFrost 🇸🇬 0 50 17 Apr 2025 466th edsrzf 🇳🇿 0 50 17 Apr 2025 466th HumanoidCPU 0 50 18 Apr 2025 466th CaedenHarper 🇨🇦 0 50 18 Apr 2025 466th snoozingnewt 🇺🇸 0 50 23 days ago 479th FlyingPenguin223 0 51 21 Nov 2024 479th MeWhenI 🇻🇦 0 51 11 Dec 2024 479th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 479th h3ra993huskp 🇯🇵 0 51 15 Aug 2025 483rd Shanethegamer 🇺🇸 0 52 4 Feb 2025 483rd ovs-code 🇩🇪 0 52 5 Feb 2025 483rd HumanoidCPU 0 52 7 Feb 2025 483rd targrik 0 52 15 Feb 2025 483rd GolfingSuccess 🇬🇷 0 52 15 Feb 2025 483rd emgordon154 0 52 5 Mar 2025 483rd 2bular 0 52 5 Mar 2025 483rd MeWhenI 🇻🇦 0 52 17 Apr 2025 483rd DialFrost 🇸🇬 0 52 17 Apr 2025 483rd ovs-code 🇩🇪 0 52 31 May 2025 483rd LostSyntax21 🇬🇧 0 52 19 Jul 2025 483rd snoozingnewt 🇺🇸 0 52 24 days ago 495th kg583 🇺🇸 0 53 21 Nov 2024 495th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 495th rucin93 🇵🇱 0 53 17 Apr 2025 495th zacjl 0 53 17 Apr 2025 495th Shanethegamer 🇺🇸 0 53 17 Apr 2025 495th CaedenHarper 🇨🇦 0 53 17 Apr 2025 495th pardouin 🇫🇷 0 53 17 Apr 2025 495th DialFrost 🇸🇬 0 53 17 Apr 2025 495th sean-niemann 🇺🇸 0 53 17 Apr 2025 495th HumanoidCPU 0 53 18 Apr 2025 495th m-tkach 🇺🇦 0 53 23 Apr 2025 495th emgordon154 0 53 23 Apr 2025 495th duckyluuk 🇳🇱 0 53 13 Jun 2025 495th duckyluuk 🇳🇱 0 53 13 Jun 2025 495th DialFrost 🇸🇬 0 53 13 Jun 2025 495th MeWhenI 🇻🇦 0 53 14 Jun 2025 495th rucin93 🇵🇱 0 53 14 Jun 2025 495th BREMAUCY 🇫🇷 0 53 1 Jul 2025 495th GolfingSuccess 🇬🇷 0 53 2 Jul 2025 495th fuzzylojik-golf 🇺🇸 0 53 15 Jul 2025 495th ovs-code 🇩🇪 0 53 18 Jul 2025 495th snoozingnewt 🇺🇸 0 53 24 days ago 495th snoozingnewt 🇺🇸 0 53 24 days ago 495th snoozingnewt 🇺🇸 0 53 23 days ago 495th SirBogman 🇺🇸 0 53 3 days ago 495th plcc0 0 53 2 days ago 521st neel11235813 0 54 9 Dec 2024 521st b-illy 🇬🇧 0 54 4 Jan 2025 521st CLOStrophobic 🇮🇹 0 54 22 Jan 2025 521st edsrzf 🇳🇿 0 54 7 Aug 2025 525th lifthrasiir 🇰🇷 0 55 2 Dec 2024 First Prev 451–525 of 2,563 Next Last