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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 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 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 647th targrik 0 61 15 Feb 2025 647th attila8192 0 61 1 Mar 2025 647th targrik 0 61 14 Mar 2025 647th janlelis 0 61 31 Mar 2025 647th b-illy 🇬🇧 0 61 16 Apr 2025 647th janbehrens 🇩🇪 0 61 17 Apr 2025 647th pardouin 🇫🇷 0 61 17 Apr 2025 647th Shanethegamer 🇺🇸 0 61 17 Apr 2025 647th edsrzf 🇳🇿 0 61 17 Apr 2025 647th HumanoidCPU 0 61 18 Apr 2025 647th HumanoidCPU 0 61 18 Apr 2025 647th AlephSquirrel 0 61 20 Apr 2025 647th Sam-Vrgl 0 61 13 May 2025 647th c-py 0 61 14 May 2025 647th albanian-laundromat 0 61 6 Jun 2025 647th Andrey-Plotnikov 0 61 19 Jun 2025 647th a6166231 🇨🇳 0 61 20 Jun 2025 647th BREMAUCY 🇫🇷 0 61 1 Jul 2025 647th RYSF13 🇨🇳 0 61 5 Jul 2025 647th p01 0 61 28 Jul 2025 647th KrausRaus 🇺🇸 0 61 29 Jul 2025 647th dmrichwa 🇺🇸 0 61 29 Jul 2025 647th dokutan 0 61 5 Aug 2025 647th gitchaell 🇧🇴 0 61 6 Aug 2025 647th lukepolak 0 61 7 Aug 2025 647th adrianbgo 0 61 7 Aug 2025 647th helbling 🇨🇭 0 61 28 Aug 2025 647th snoozingnewt 🇺🇸 0 61 15 Sep 2025 647th snoozingnewt 🇺🇸 0 61 15 Sep 2025 705th emgordon154 0 62 27 Nov 2024 705th CLOStrophobic 🇮🇹 0 62 4 Feb 2025 705th DialFrost 🇸🇬 0 62 15 Feb 2025 705th dokutan 0 62 15 Jul 2025 705th gaving-quadprep 0 62 32 hours ago 710th kg583 🇺🇸 0 63 21 Nov 2024 710th emgordon154 0 63 27 Nov 2024 710th emgordon154 0 63 28 Nov 2024 710th rucin93 🇵🇱 0 63 3 Dec 2024 710th lukegustafson 🇺🇸 0 63 7 Dec 2024 710th sean-niemann 🇺🇸 0 63 10 Dec 2024 710th MeWhenI 🇻🇦 0 63 18 Dec 2024 710th zacjl 0 63 31 Dec 2024 710th Shanethegamer 🇺🇸 0 63 10 Jan 2025 710th CLOStrophobic 🇮🇹 0 63 17 Jan 2025 710th edsrzf 🇳🇿 0 63 9 Feb 2025 710th GolfingSuccess 🇬🇷 0 63 9 Feb 2025 710th Nemikolh 0 63 12 Feb 2025 710th GolfingSuccess 🇬🇷 0 63 20 Feb 2025 710th varhammer 🇷🇺 0 63 22 Feb 2025 710th voytxt 🇨🇿 0 63 17 Apr 2025 710th FlyingPenguin223 0 63 17 Apr 2025 710th DialFrost 🇸🇬 0 63 17 Apr 2025 710th DialFrost 🇸🇬 0 63 17 Apr 2025 710th DialFrost 🇸🇬 0 63 17 Apr 2025 710th pardouin 🇫🇷 0 63 17 Apr 2025 710th Shanethegamer 🇺🇸 0 63 17 Apr 2025 710th Shanethegamer 🇺🇸 0 63 17 Apr 2025 710th GolfingSuccess 🇬🇷 0 63 17 Apr 2025 710th HumanoidCPU 0 63 18 Apr 2025 710th HumanoidCPU 0 63 18 Apr 2025 710th HumanoidCPU 0 63 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 18 Apr 2025 710th CaedenHarper 🇨🇦 0 63 18 Apr 2025 710th dokutan 0 63 28 Apr 2025 710th dokutan 0 63 28 Apr 2025 710th Jigglypuffed 0 63 19 Jul 2025 710th penous 0 63 2 Aug 2025 710th YellowDudeIsMe 0 63 14 Aug 2025 710th albanian-laundromat 0 63 22 Aug 2025 710th snoozingnewt 🇺🇸 0 63 15 Sep 2025 710th snoozingnewt 🇺🇸 0 63 15 Sep 2025 710th snoozingnewt 🇺🇸 0 63 15 Sep 2025 749th Shanethegamer 🇺🇸 0 64 20 Nov 2024 749th error256 0 64 21 Nov 2024 First Prev 676–750 of 2,670 Next Last