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 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 Topological Sort 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 225th error256 0 36 21 Nov 2024 225th DialFrost 🇸🇬 0 36 26 Nov 2024 225th emgordon154 0 36 3 Dec 2024 225th SirBogman 🇺🇸 0 36 3 Dec 2024 225th GolfingSuccess 🇬🇷 0 36 7 Dec 2024 225th antimon2 🇯🇵 0 36 16 Dec 2024 225th CaedenHarper 🇨🇦 0 36 4 Jan 2025 225th dokutan 0 36 3 Feb 2025 225th retrohun 0 36 31 Mar 2025 225th ovs-code 🇩🇪 0 36 17 Apr 2025 225th edsrzf 🇳🇿 0 36 17 Apr 2025 225th HumanoidCPU 0 36 18 Apr 2025 225th alemelis 0 36 20 Jun 2025 239th ovs-code 🇩🇪 0 37 26 Nov 2024 239th 2bular 0 37 9 Dec 2024 239th Natanaelel 🇸🇪 0 37 26 Jan 2025 239th DialFrost 🇸🇬 0 37 24 Feb 2025 239th Sakisan 🇧🇪 0 37 5 Apr 2025 239th dokutan 0 37 13 Apr 2025 239th DialFrost 🇸🇬 0 37 17 Apr 2025 239th MeWhenI 🇻🇦 0 37 17 Apr 2025 239th Shanethegamer 🇺🇸 0 37 17 Apr 2025 239th GolfingSuccess 🇬🇷 0 37 17 Apr 2025 239th Shanethegamer 🇺🇸 0 37 17 Apr 2025 239th HumanoidCPU 0 37 18 Apr 2025 239th HumanoidCPU 0 37 18 Apr 2025 239th HPWiz 🇳🇿 0 37 18 Apr 2025 239th CaedenHarper 🇨🇦 0 37 18 Apr 2025 239th CaedenHarper 🇨🇦 0 37 19 Apr 2025 239th GolfingSuccess 🇬🇷 0 37 19 Apr 2025 239th edsrzf 🇳🇿 0 37 19 Apr 2025 239th zacjl 0 37 20 Apr 2025 239th frankgraziano 0 37 19 May 2025 239th lynn 0 37 15 Jun 2025 239th AbrahamJLR 🇻🇪 0 37 13 hours ago 261st ovs-code 🇩🇪 0 38 25 Nov 2024 261st sean-niemann 🇺🇸 0 38 26 Nov 2024 261st emgordon154 0 38 27 Nov 2024 261st CLOStrophobic 🇮🇹 0 38 22 Jan 2025 261st btjones0 0 38 17 Feb 2025 261st Frowny 0 38 10 Mar 2025 261st Mukundan314 0 38 25 Apr 2025 268th SirBogman 🇺🇸 0 39 4 Dec 2024 268th MeWhenI 🇻🇦 0 39 29 Jan 2025 268th emgordon154 0 39 14 Feb 2025 268th DialFrost 🇸🇬 0 39 17 Apr 2025 268th Shanethegamer 🇺🇸 0 39 19 May 2025 268th HumanoidCPU 0 39 19 May 2025 268th plcc0 0 39 19 May 2025 268th voytxt 🇨🇿 0 39 19 May 2025 268th GolfingSuccess 🇬🇷 0 39 19 May 2025 268th DialFrost 🇸🇬 0 39 21 May 2025 268th MeWhenI 🇻🇦 0 39 28 May 2025 268th Jigglypuffed 0 39 12 Jun 2025 268th xvogt 🇱🇮 0 39 12 Jun 2025 268th AlephSquirrel 0 39 12 Jun 2025 282nd emgordon154 0 40 9 Feb 2025 282nd DialFrost 🇸🇬 0 40 9 Feb 2025 282nd GolfingSuccess 🇬🇷 0 40 12 Feb 2025 282nd chunes3 🇺🇸 0 40 13 Feb 2025 282nd HumanoidCPU 0 40 18 Apr 2025 282nd DialFrost 🇸🇬 0 40 20 Apr 2025 282nd ovs-code 🇩🇪 0 40 19 May 2025 282nd Shanethegamer 🇺🇸 0 40 6 Jun 2025 282nd artem-aramma 0 40 18 Jun 2025 291st targrik 0 41 10 days ago 292nd GolfingSuccess 🇬🇷 0 42 25 Nov 2024 292nd AlephSquirrel 0 42 27 Jan 2025 292nd edsrzf 🇳🇿 0 42 21 Mar 2025 292nd Shanethegamer 🇺🇸 0 42 17 Apr 2025 292nd DialFrost 🇸🇬 0 42 17 Apr 2025 292nd edsrzf 🇳🇿 0 42 17 Apr 2025 292nd HumanoidCPU 0 42 18 Apr 2025 292nd CaedenHarper 🇨🇦 0 42 18 Apr 2025 292nd zacjl 0 42 20 Apr 2025 Prev 226–300 of 2,119 Next