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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 820th HumanoidCPU 0 68 6 Feb 2025 820th DialFrost 🇸🇬 0 68 8 Feb 2025 820th voytxt 🇨🇿 0 68 8 Feb 2025 820th targrik 0 68 15 Feb 2025 820th JunkIce 0 68 26 Mar 2025 820th rhdqor213 0 68 16 Apr 2025 820th DialFrost 🇸🇬 0 68 17 Apr 2025 820th te-chnical 0 68 6 May 2025 820th edsrzf 🇳🇿 0 68 13 May 2025 820th rucin93 🇵🇱 0 68 14 May 2025 820th cloudyshoe 0 68 15 May 2025 820th jake6192 0 68 30 May 2025 820th 4very 0 68 26 days ago 839th sean-niemann 🇺🇸 0 69 13 Dec 2024 839th GolfingSuccess 🇬🇷 0 69 8 Feb 2025 839th DialFrost 🇸🇬 0 69 8 Feb 2025 839th GolfingSuccess 🇬🇷 0 69 8 Feb 2025 839th DialFrost 🇸🇬 0 69 20 Feb 2025 839th pruthvip15 0 69 4 Mar 2025 839th emgordon154 0 69 6 Mar 2025 839th plcc0 0 69 20 Mar 2025 839th kg583 🇺🇸 0 69 18 Apr 2025 839th CaedenHarper 🇨🇦 0 69 18 Apr 2025 839th Shanethegamer 🇺🇸 0 69 23 Apr 2025 839th sean-niemann 🇺🇸 0 69 28 Apr 2025 839th voytxt 🇨🇿 0 69 28 Apr 2025 839th GolfingSuccess 🇬🇷 0 69 24 May 2025 839th DoubleUynn 0 69 13 days ago 839th bknower 0 69 10 days ago 855th emgordon154 0 70 27 Nov 2024 855th MeWhenI 🇻🇦 0 70 11 Dec 2024 855th voytxt 🇨🇿 0 70 25 Jan 2025 855th Salutations45 0 70 26 Jan 2025 855th MeWhenI 🇻🇦 0 70 14 Feb 2025 855th targrik 0 70 14 Feb 2025 855th frosster 0 70 11 Mar 2025 855th GolfingSuccess 🇬🇷 0 70 17 Mar 2025 855th Sciman101 0 70 27 Mar 2025 855th cominixo 0 70 6 Apr 2025 855th KasperKivimaeki 🇫🇮 0 70 16 Apr 2025 855th edsrzf 🇳🇿 0 70 18 Apr 2025 855th sean-niemann 🇺🇸 0 70 18 Apr 2025 855th rucin93 🇵🇱 0 70 18 Apr 2025 855th DialFrost 🇸🇬 0 70 18 Apr 2025 855th ovs-code 🇩🇪 0 70 18 Apr 2025 855th CaedenHarper 🇨🇦 0 70 18 Apr 2025 855th HumanoidCPU 0 70 19 Apr 2025 855th GolfingSuccess 🇬🇷 0 70 19 Apr 2025 855th inventshah 0 70 23 Apr 2025 855th m-tkach 🇺🇦 0 70 23 Apr 2025 855th Mukundan314 0 70 25 Apr 2025 855th Shanethegamer 🇺🇸 0 70 28 Apr 2025 855th frankgraziano 0 70 8 May 2025 855th ovs-code 🇩🇪 0 70 12 May 2025 855th AlephSquirrel 0 70 14 May 2025 855th JSG-GIT 0 70 15 May 2025 855th RYSF13 🇨🇳 0 70 17 May 2025 855th Shanethegamer 🇺🇸 0 70 21 May 2025 855th edsrzf 🇳🇿 0 70 24 May 2025 855th edsrzf 🇳🇿 0 70 24 May 2025 855th DialFrost 🇸🇬 0 70 24 May 2025 855th Shanethegamer 🇺🇸 0 70 24 May 2025 855th acollett89 0 70 3 Jun 2025 855th Shanethegamer 🇺🇸 0 70 26 days ago 855th XenThe 🇬🇧 0 70 20 days ago 891st emgordon154 0 71 28 Nov 2024 891st MeWhenI 🇻🇦 0 71 11 Dec 2024 891st zacjl 0 71 23 Jan 2025 891st psethwick 0 71 30 Jan 2025 891st Lydxn 🇨🇦 0 71 31 Jan 2025 891st eTrey13 0 71 2 Feb 2025 891st qpwoeirut 0 71 7 Feb 2025 891st HumanoidCPU 0 71 7 Feb 2025 891st kdx2a 0 71 12 Feb 2025 891st FlyingPenguin223 0 71 12 Feb 2025 Prev 826–900 of 1,958 Next