Tutorial in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 672nd klixel 🇨🇦 0 60 82ms 8 Apr 2025 672nd emgordon154 0 60 2ms 5 Aug 2025 672nd emgordon154 0 60 76ms 20 days ago 672nd Babafaba 0 60 529ms 2 days ago 680th Shanethegamer 🇺🇸 0 61 11ms 20 Nov 2024 680th stefangimmillaro 0 61 18ms 21 Nov 2024 680th error256 0 61 12ms 21 Nov 2024 680th error256 0 61 117ms 21 Nov 2024 680th ovs-code 🇩🇪 0 61 14ms 25 Nov 2024 680th GolfingSuccess 🇬🇷 0 61 14ms 25 Nov 2024 680th sean-niemann 🇺🇸 0 61 13ms 26 Nov 2024 680th duckyluuk 🇳🇱 0 61 12ms 26 Nov 2024 680th DialFrost 🇸🇬 0 61 16ms 26 Nov 2024 680th rucin93 🇵🇱 0 61 12ms 26 Nov 2024 680th emgordon154 0 61 14ms 28 Nov 2024 680th stefangimmillaro 0 61 5ms 3 Dec 2024 680th lukegustafson 🇺🇸 0 61 14ms 7 Dec 2024 680th MeWhenI 🇻🇦 0 61 11ms 11 Dec 2024 680th emplv 🇱🇻 0 61 17ms 11 Dec 2024 680th voytxt 🇨🇿 0 61 15ms 22 Dec 2024 680th Salutations45 0 61 14ms 29 Dec 2024 680th duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 680th CLOStrophobic 🇮🇹 0 61 13ms 22 Jan 2025 680th voytxt 🇨🇿 0 61 5ms 25 Jan 2025 680th m-tkach 🇺🇦 0 61 12ms 30 Jan 2025 680th Natanaelel 🇸🇪 0 61 14ms 2 Feb 2025 680th CaedenHarper 🇨🇦 0 61 13ms 3 Feb 2025 680th BalaM314 0 61 13ms 4 Feb 2025 680th kg583 🇺🇸 0 61 84ms 5 Feb 2025 680th GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 680th HumanoidCPU 0 61 6ms 7 Feb 2025 680th targrik 0 61 13ms 8 Feb 2025 680th MeWhenI 🇻🇦 0 61 6ms 14 Feb 2025 680th targrik 0 61 4ms 15 Feb 2025 680th attila8192 0 61 12ms 1 Mar 2025 680th targrik 0 61 2ms 14 Mar 2025 680th janlelis 0 61 20ms 31 Mar 2025 680th b-illy 🇬🇧 0 61 11ms 16 Apr 2025 680th janbehrens 🇩🇪 0 61 13ms 17 Apr 2025 680th pardouin 🇫🇷 0 61 14ms 17 Apr 2025 680th Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 680th edsrzf 🇳🇿 0 61 13ms 17 Apr 2025 680th HumanoidCPU 0 61 121ms 18 Apr 2025 680th HumanoidCPU 0 61 12ms 18 Apr 2025 680th AlephSquirrel 0 61 14ms 20 Apr 2025 680th Sam-Vrgl 0 61 13ms 13 May 2025 680th c-py 0 61 14ms 14 May 2025 680th albanian-laundromat 0 61 126ms 6 Jun 2025 680th Andrey-Plotnikov 0 61 12ms 19 Jun 2025 680th a6166231 🇨🇳 0 61 18ms 20 Jun 2025 680th BREMAUCY 🇫🇷 0 61 14ms 1 Jul 2025 680th RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 680th p01 0 61 13ms 28 Jul 2025 680th KrausRaus 🇺🇸 0 61 12ms 29 Jul 2025 680th dmrichwa 🇺🇸 0 61 12ms 29 Jul 2025 680th dokutan 0 61 3ms 5 Aug 2025 680th gitchaell 🇧🇴 0 61 12ms 6 Aug 2025 680th lukepolak 0 61 12ms 7 Aug 2025 680th adrianbgo 0 61 11ms 7 Aug 2025 680th helbling 🇨🇭 0 61 14ms 28 Aug 2025 680th snoozingnewt 🇺🇸 0 61 130ms 15 Sep 2025 680th snoozingnewt 🇺🇸 0 61 12ms 15 Sep 2025 680th larsendaniel 0 61 11ms 19 days ago 680th JOrE20 🇺🇸 0 61 11ms 8 days ago 680th GodlyProgrammer1 0 61 11ms 4 days ago 680th Kacarott 🇦🇺 0 61 96ms 36 hours ago 742nd emgordon154 0 62 3ms 27 Nov 2024 742nd CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 742nd DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 742nd dokutan 0 62 1,277ms 15 Jul 2025 742nd 6512345 0 62 112ms 21 days ago 747th kg583 🇺🇸 0 63 48ms 21 Nov 2024 747th emgordon154 0 63 141ms 28 Nov 2024 747th rucin93 🇵🇱 0 63 133ms 3 Dec 2024 747th lukegustafson 🇺🇸 0 63 137ms 7 Dec 2024 First Prev 676–750 of 2,923 Next Last