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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 207th HumanoidCPU 0 35 18 Apr 2025 207th frankgraziano 0 35 18 Apr 2025 207th CaedenHarper 🇨🇦 0 35 18 Apr 2025 207th dokutan 0 35 2 Jul 2025 207th edsrzf 🇳🇿 0 35 20 days ago 207th AbrahamJLR 🇻🇪 0 35 19 days ago 232nd Shanethegamer 🇺🇸 0 36 20 Nov 2024 232nd error256 0 36 21 Nov 2024 232nd DialFrost 🇸🇬 0 36 26 Nov 2024 232nd emgordon154 0 36 3 Dec 2024 232nd SirBogman 🇺🇸 0 36 3 Dec 2024 232nd GolfingSuccess 🇬🇷 0 36 7 Dec 2024 232nd antimon2 🇯🇵 0 36 16 Dec 2024 232nd CaedenHarper 🇨🇦 0 36 4 Jan 2025 232nd dokutan 0 36 3 Feb 2025 232nd retrohun 0 36 31 Mar 2025 232nd ovs-code 🇩🇪 0 36 17 Apr 2025 232nd edsrzf 🇳🇿 0 36 17 Apr 2025 232nd HumanoidCPU 0 36 18 Apr 2025 232nd alemelis 0 36 20 Jun 2025 232nd frankgraziano 0 36 2 days ago 247th ovs-code 🇩🇪 0 37 26 Nov 2024 247th 2bular 0 37 9 Dec 2024 247th Natanaelel 🇸🇪 0 37 26 Jan 2025 247th DialFrost 🇸🇬 0 37 24 Feb 2025 247th Sakisan 🇧🇪 0 37 5 Apr 2025 247th dokutan 0 37 13 Apr 2025 247th DialFrost 🇸🇬 0 37 17 Apr 2025 247th MeWhenI 🇻🇦 0 37 17 Apr 2025 247th Shanethegamer 🇺🇸 0 37 17 Apr 2025 247th GolfingSuccess 🇬🇷 0 37 17 Apr 2025 247th Shanethegamer 🇺🇸 0 37 17 Apr 2025 247th HumanoidCPU 0 37 18 Apr 2025 247th HumanoidCPU 0 37 18 Apr 2025 247th HPWiz 🇳🇿 0 37 18 Apr 2025 247th CaedenHarper 🇨🇦 0 37 18 Apr 2025 247th CaedenHarper 🇨🇦 0 37 19 Apr 2025 247th GolfingSuccess 🇬🇷 0 37 19 Apr 2025 247th edsrzf 🇳🇿 0 37 19 Apr 2025 247th zacjl 0 37 20 Apr 2025 247th frankgraziano 0 37 19 May 2025 247th lynn 0 37 15 Jun 2025 247th frankgraziano 0 37 14 days ago 247th albanian-laundromat 0 37 4 days ago 247th ovs-code 🇩🇪 0 37 3 days ago 271st ovs-code 🇩🇪 0 38 25 Nov 2024 271st sean-niemann 🇺🇸 0 38 26 Nov 2024 271st emgordon154 0 38 27 Nov 2024 271st CLOStrophobic 🇮🇹 0 38 22 Jan 2025 271st btjones0 0 38 17 Feb 2025 271st Frowny 0 38 10 Mar 2025 271st Mukundan314 0 38 25 Apr 2025 278th SirBogman 🇺🇸 0 39 4 Dec 2024 278th MeWhenI 🇻🇦 0 39 29 Jan 2025 278th emgordon154 0 39 14 Feb 2025 278th DialFrost 🇸🇬 0 39 17 Apr 2025 278th Shanethegamer 🇺🇸 0 39 19 May 2025 278th HumanoidCPU 0 39 19 May 2025 278th plcc0 0 39 19 May 2025 278th voytxt 🇨🇿 0 39 19 May 2025 278th GolfingSuccess 🇬🇷 0 39 19 May 2025 278th DialFrost 🇸🇬 0 39 21 May 2025 278th MeWhenI 🇻🇦 0 39 28 May 2025 278th Jigglypuffed 0 39 12 Jun 2025 278th xvogt 🇱🇮 0 39 12 Jun 2025 278th AlephSquirrel 0 39 12 Jun 2025 278th yobatm 0 39 5 days ago 293rd emgordon154 0 40 9 Feb 2025 293rd DialFrost 🇸🇬 0 40 9 Feb 2025 293rd GolfingSuccess 🇬🇷 0 40 12 Feb 2025 293rd chunes3 🇺🇸 0 40 13 Feb 2025 293rd HumanoidCPU 0 40 18 Apr 2025 293rd DialFrost 🇸🇬 0 40 20 Apr 2025 293rd ovs-code 🇩🇪 0 40 19 May 2025 293rd Shanethegamer 🇺🇸 0 40 6 Jun 2025 Prev 226–300 of 2,190 Next