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 211th retrohun 0 35 31 Mar 2025 211th Natanaelel 🇸🇪 0 35 17 Apr 2025 211th DialFrost 🇸🇬 0 35 17 Apr 2025 211th Shanethegamer 🇺🇸 0 35 17 Apr 2025 211th HumanoidCPU 0 35 18 Apr 2025 211th frankgraziano 0 35 18 Apr 2025 211th CaedenHarper 🇨🇦 0 35 18 Apr 2025 211th dokutan 0 35 2 Jul 2025 211th edsrzf 🇳🇿 0 35 22 days ago 211th AbrahamJLR 🇻🇪 0 35 21 days ago 236th Shanethegamer 🇺🇸 0 36 20 Nov 2024 236th error256 0 36 21 Nov 2024 236th DialFrost 🇸🇬 0 36 26 Nov 2024 236th emgordon154 0 36 3 Dec 2024 236th SirBogman 🇺🇸 0 36 3 Dec 2024 236th GolfingSuccess 🇬🇷 0 36 7 Dec 2024 236th antimon2 🇯🇵 0 36 16 Dec 2024 236th CaedenHarper 🇨🇦 0 36 4 Jan 2025 236th dokutan 0 36 3 Feb 2025 236th retrohun 0 36 31 Mar 2025 236th ovs-code 🇩🇪 0 36 17 Apr 2025 236th edsrzf 🇳🇿 0 36 17 Apr 2025 236th HumanoidCPU 0 36 18 Apr 2025 236th alemelis 0 36 20 Jun 2025 236th frankgraziano 0 36 5 days ago 251st ovs-code 🇩🇪 0 37 26 Nov 2024 251st 2bular 0 37 9 Dec 2024 251st Natanaelel 🇸🇪 0 37 26 Jan 2025 251st DialFrost 🇸🇬 0 37 24 Feb 2025 251st Sakisan 🇧🇪 0 37 5 Apr 2025 251st dokutan 0 37 13 Apr 2025 251st DialFrost 🇸🇬 0 37 17 Apr 2025 251st MeWhenI 🇻🇦 0 37 17 Apr 2025 251st Shanethegamer 🇺🇸 0 37 17 Apr 2025 251st GolfingSuccess 🇬🇷 0 37 17 Apr 2025 251st Shanethegamer 🇺🇸 0 37 17 Apr 2025 251st HumanoidCPU 0 37 18 Apr 2025 251st HumanoidCPU 0 37 18 Apr 2025 251st HPWiz 🇳🇿 0 37 18 Apr 2025 251st CaedenHarper 🇨🇦 0 37 18 Apr 2025 251st CaedenHarper 🇨🇦 0 37 19 Apr 2025 251st GolfingSuccess 🇬🇷 0 37 19 Apr 2025 251st edsrzf 🇳🇿 0 37 19 Apr 2025 251st zacjl 0 37 20 Apr 2025 251st frankgraziano 0 37 19 May 2025 251st lynn 0 37 15 Jun 2025 251st frankgraziano 0 37 16 days ago 251st albanian-laundromat 0 37 6 days ago 274th ovs-code 🇩🇪 0 38 25 Nov 2024 274th sean-niemann 🇺🇸 0 38 26 Nov 2024 274th emgordon154 0 38 27 Nov 2024 274th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 274th btjones0 0 38 17 Feb 2025 274th Frowny 0 38 10 Mar 2025 274th Mukundan314 0 38 25 Apr 2025 281st SirBogman 🇺🇸 0 39 4 Dec 2024 281st MeWhenI 🇻🇦 0 39 29 Jan 2025 281st emgordon154 0 39 14 Feb 2025 281st DialFrost 🇸🇬 0 39 17 Apr 2025 281st Shanethegamer 🇺🇸 0 39 19 May 2025 281st HumanoidCPU 0 39 19 May 2025 281st plcc0 0 39 19 May 2025 281st voytxt 🇨🇿 0 39 19 May 2025 281st GolfingSuccess 🇬🇷 0 39 19 May 2025 281st DialFrost 🇸🇬 0 39 21 May 2025 281st MeWhenI 🇻🇦 0 39 28 May 2025 281st Jigglypuffed 0 39 12 Jun 2025 281st xvogt 🇱🇮 0 39 12 Jun 2025 281st AlephSquirrel 0 39 12 Jun 2025 281st yobatm 0 39 8 days ago 296th emgordon154 0 40 9 Feb 2025 296th DialFrost 🇸🇬 0 40 9 Feb 2025 296th GolfingSuccess 🇬🇷 0 40 12 Feb 2025 296th chunes3 🇺🇸 0 40 13 Feb 2025 296th HumanoidCPU 0 40 18 Apr 2025 Prev 226–300 of 2,199 Next