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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 217th HumanoidCPU 0 35 5 Jan 2025 217th CaedenHarper 🇨🇦 0 35 12 Jan 2025 217th voytxt 🇨🇿 0 35 25 Jan 2025 217th saito-ta 🇯🇵 0 35 28 Jan 2025 217th Natanaelel 🇸🇪 0 35 3 Feb 2025 217th targrik 0 35 14 Mar 2025 217th retrohun 0 35 31 Mar 2025 217th Natanaelel 🇸🇪 0 35 17 Apr 2025 217th DialFrost 🇸🇬 0 35 17 Apr 2025 217th Shanethegamer 🇺🇸 0 35 17 Apr 2025 217th HumanoidCPU 0 35 18 Apr 2025 217th frankgraziano 0 35 18 Apr 2025 217th CaedenHarper 🇨🇦 0 35 18 Apr 2025 217th dokutan 0 35 2 Jul 2025 217th edsrzf 🇳🇿 0 35 20 Jul 2025 217th AbrahamJLR 🇻🇪 0 35 21 Jul 2025 242nd Shanethegamer 🇺🇸 0 36 20 Nov 2024 242nd error256 0 36 21 Nov 2024 242nd DialFrost 🇸🇬 0 36 26 Nov 2024 242nd emgordon154 0 36 3 Dec 2024 242nd SirBogman 🇺🇸 0 36 3 Dec 2024 242nd GolfingSuccess 🇬🇷 0 36 7 Dec 2024 242nd antimon2 🇯🇵 0 36 16 Dec 2024 242nd CaedenHarper 🇨🇦 0 36 4 Jan 2025 242nd dokutan 0 36 3 Feb 2025 242nd retrohun 0 36 31 Mar 2025 242nd ovs-code 🇩🇪 0 36 17 Apr 2025 242nd edsrzf 🇳🇿 0 36 17 Apr 2025 242nd HumanoidCPU 0 36 18 Apr 2025 242nd alemelis 0 36 20 Jun 2025 242nd frankgraziano 0 36 6 Aug 2025 257th ovs-code 🇩🇪 0 37 26 Nov 2024 257th 2bular 0 37 9 Dec 2024 257th Natanaelel 🇸🇪 0 37 26 Jan 2025 257th DialFrost 🇸🇬 0 37 24 Feb 2025 257th Sakisan 🇧🇪 0 37 5 Apr 2025 257th dokutan 0 37 13 Apr 2025 257th DialFrost 🇸🇬 0 37 17 Apr 2025 257th MeWhenI 🇻🇦 0 37 17 Apr 2025 257th Shanethegamer 🇺🇸 0 37 17 Apr 2025 257th GolfingSuccess 🇬🇷 0 37 17 Apr 2025 257th Shanethegamer 🇺🇸 0 37 17 Apr 2025 257th HumanoidCPU 0 37 18 Apr 2025 257th HumanoidCPU 0 37 18 Apr 2025 257th HPWiz 🇳🇿 0 37 18 Apr 2025 257th CaedenHarper 🇨🇦 0 37 18 Apr 2025 257th CaedenHarper 🇨🇦 0 37 19 Apr 2025 257th GolfingSuccess 🇬🇷 0 37 19 Apr 2025 257th edsrzf 🇳🇿 0 37 19 Apr 2025 257th zacjl 0 37 20 Apr 2025 257th frankgraziano 0 37 19 May 2025 257th lynn 0 37 15 Jun 2025 257th frankgraziano 0 37 26 Jul 2025 257th albanian-laundromat 0 37 4 Aug 2025 280th ovs-code 🇩🇪 0 38 25 Nov 2024 280th sean-niemann 🇺🇸 0 38 26 Nov 2024 280th emgordon154 0 38 27 Nov 2024 280th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 280th btjones0 0 38 17 Feb 2025 280th Frowny 0 38 10 Mar 2025 280th Mukundan314 0 38 25 Apr 2025 287th SirBogman 🇺🇸 0 39 4 Dec 2024 287th MeWhenI 🇻🇦 0 39 29 Jan 2025 287th emgordon154 0 39 14 Feb 2025 287th DialFrost 🇸🇬 0 39 17 Apr 2025 287th Shanethegamer 🇺🇸 0 39 19 May 2025 287th HumanoidCPU 0 39 19 May 2025 287th plcc0 0 39 19 May 2025 287th voytxt 🇨🇿 0 39 19 May 2025 287th GolfingSuccess 🇬🇷 0 39 19 May 2025 287th DialFrost 🇸🇬 0 39 21 May 2025 287th MeWhenI 🇻🇦 0 39 28 May 2025 287th Jigglypuffed 0 39 12 Jun 2025 287th xvogt 🇱🇮 0 39 12 Jun 2025 287th AlephSquirrel 0 39 12 Jun 2025 Prev 226–300 of 2,373 Next