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 581st edsrzf 🇳🇿 0 58 9 Feb 2025 581st targrik 0 58 15 Feb 2025 581st edsrzf 🇳🇿 0 58 19 Feb 2025 581st orthoplex 🇨🇽 0 58 16 Apr 2025 581st edsrzf 🇳🇿 0 58 17 Apr 2025 581st DialFrost 🇸🇬 0 58 17 Apr 2025 581st DialFrost 🇸🇬 0 58 17 Apr 2025 581st Shanethegamer 🇺🇸 0 58 17 Apr 2025 581st DialFrost 🇸🇬 0 58 17 Apr 2025 581st GolfingSuccess 🇬🇷 0 58 17 Apr 2025 581st HumanoidCPU 0 58 18 Apr 2025 581st HumanoidCPU 0 58 18 Apr 2025 581st CaedenHarper 🇨🇦 0 58 18 Apr 2025 581st CaedenHarper 🇨🇦 0 58 18 Apr 2025 581st dokutan 0 58 28 Apr 2025 581st 2bular 0 58 8 Jul 2025 581st h3ra993huskp 🇯🇵 0 58 11 Aug 2025 581st frankgraziano 0 58 13 Aug 2025 581st snoozingnewt 🇺🇸 0 58 15 Sep 2025 581st snoozingnewt 🇺🇸 0 58 15 Sep 2025 581st snoozingnewt 🇺🇸 0 58 15 Sep 2025 581st kg583 🇺🇸 0 58 18 days ago 581st plcc0 0 58 8 days ago 624th MeWhenI 🇻🇦 0 59 11 Dec 2024 624th emgordon154 0 59 8 Jan 2025 624th duckyluuk 🇳🇱 0 59 12 Jan 2025 624th Natanaelel 🇸🇪 0 59 2 Feb 2025 624th ovs-code 🇩🇪 0 59 4 Feb 2025 624th Shanethegamer 🇺🇸 0 59 7 Feb 2025 624th voytxt 🇨🇿 0 59 8 Feb 2025 624th GolfingSuccess 🇬🇷 0 59 15 Feb 2025 624th 2bular 0 59 5 Mar 2025 624th DialFrost 🇸🇬 0 59 17 Apr 2025 624th zacjl 0 59 17 Apr 2025 624th Shanethegamer 🇺🇸 0 59 17 Apr 2025 624th HumanoidCPU 0 59 18 Apr 2025 624th dokutan 0 59 28 Apr 2025 624th edsrzf 🇳🇿 0 59 13 Jun 2025 624th LostSyntax21 🇬🇧 0 59 19 Jul 2025 624th snoozingnewt 🇺🇸 0 59 15 Sep 2025 641st xsot 🇸🇬 0 60 4 Dec 2024 641st CatsAreFluffy 0 60 13 Dec 2024 641st Natanaelel 🇸🇪 0 60 26 Jan 2025 641st emgordon154 0 60 4 Feb 2025 641st klixel 🇨🇦 0 60 8 Apr 2025 641st emgordon154 0 60 5 Aug 2025 647th Shanethegamer 🇺🇸 0 61 20 Nov 2024 647th stefangimmillaro 0 61 21 Nov 2024 647th error256 0 61 21 Nov 2024 647th error256 0 61 21 Nov 2024 647th ovs-code 🇩🇪 0 61 25 Nov 2024 647th GolfingSuccess 🇬🇷 0 61 25 Nov 2024 647th sean-niemann 🇺🇸 0 61 26 Nov 2024 647th duckyluuk 🇳🇱 0 61 26 Nov 2024 647th DialFrost 🇸🇬 0 61 26 Nov 2024 647th rucin93 🇵🇱 0 61 26 Nov 2024 647th emgordon154 0 61 28 Nov 2024 647th stefangimmillaro 0 61 3 Dec 2024 647th lukegustafson 🇺🇸 0 61 7 Dec 2024 647th MeWhenI 🇻🇦 0 61 11 Dec 2024 647th emplv 🇱🇻 0 61 11 Dec 2024 647th voytxt 🇨🇿 0 61 22 Dec 2024 647th Salutations45 0 61 29 Dec 2024 647th duckyluuk 🇳🇱 0 61 12 Jan 2025 647th CLOStrophobic 🇮🇹 0 61 22 Jan 2025 647th voytxt 🇨🇿 0 61 25 Jan 2025 647th m-tkach 🇺🇦 0 61 30 Jan 2025 647th Natanaelel 🇸🇪 0 61 2 Feb 2025 647th CaedenHarper 🇨🇦 0 61 3 Feb 2025 647th BalaM314 0 61 4 Feb 2025 647th kg583 🇺🇸 0 61 5 Feb 2025 647th GolfingSuccess 🇬🇷 0 61 5 Feb 2025 647th HumanoidCPU 0 61 7 Feb 2025 647th targrik 0 61 8 Feb 2025 647th MeWhenI 🇻🇦 0 61 14 Feb 2025 First Prev 601–675 of 2,670 Next Last