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 451st emgordon154 0 48 27 Nov 2024 451st targrik 0 48 15 Feb 2025 453rd JunkIce 0 49 3 Dec 2024 453rd duckyluuk 🇳🇱 0 49 12 Jan 2025 453rd csharpython 0 49 5 Feb 2025 453rd voytxt 🇨🇿 0 49 8 Feb 2025 453rd gigaprofisi 🇺🇸 0 49 3 Mar 2025 453rd emgordon154 0 49 23 Apr 2025 453rd xvogt 🇱🇮 0 49 13 Jun 2025 453rd Jagger002 0 49 24 Jun 2025 453rd alphafalfa 0 49 18 Aug 2025 453rd J09M 0 49 7 days ago 463rd Shanethegamer 🇺🇸 0 50 20 Nov 2024 463rd stefangimmillaro 0 50 21 Nov 2024 463rd duckyluuk 🇳🇱 0 50 26 Nov 2024 463rd GolfingSuccess 🇬🇷 0 50 22 Dec 2024 463rd voytxt 🇨🇿 0 50 25 Jan 2025 463rd pardouin 🇫🇷 0 50 26 Jan 2025 463rd Natanaelel 🇸🇪 0 50 26 Jan 2025 463rd janlelis 0 50 31 Mar 2025 463rd DialFrost 🇸🇬 0 50 17 Apr 2025 463rd edsrzf 🇳🇿 0 50 17 Apr 2025 463rd HumanoidCPU 0 50 18 Apr 2025 463rd CaedenHarper 🇨🇦 0 50 18 Apr 2025 463rd snoozingnewt 🇺🇸 0 50 15 days ago 476th FlyingPenguin223 0 51 21 Nov 2024 476th MeWhenI 🇻🇦 0 51 11 Dec 2024 476th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 476th h3ra993huskp 🇯🇵 0 51 15 Aug 2025 480th Shanethegamer 🇺🇸 0 52 4 Feb 2025 480th ovs-code 🇩🇪 0 52 5 Feb 2025 480th HumanoidCPU 0 52 7 Feb 2025 480th targrik 0 52 15 Feb 2025 480th GolfingSuccess 🇬🇷 0 52 15 Feb 2025 480th emgordon154 0 52 5 Mar 2025 480th 2bular 0 52 5 Mar 2025 480th MeWhenI 🇻🇦 0 52 17 Apr 2025 480th DialFrost 🇸🇬 0 52 17 Apr 2025 480th ovs-code 🇩🇪 0 52 31 May 2025 480th LostSyntax21 🇬🇧 0 52 19 Jul 2025 480th snoozingnewt 🇺🇸 0 52 16 days ago 492nd kg583 🇺🇸 0 53 21 Nov 2024 492nd GolfingSuccess 🇬🇷 0 53 14 Mar 2025 492nd rucin93 🇵🇱 0 53 17 Apr 2025 492nd zacjl 0 53 17 Apr 2025 492nd Shanethegamer 🇺🇸 0 53 17 Apr 2025 492nd CaedenHarper 🇨🇦 0 53 17 Apr 2025 492nd pardouin 🇫🇷 0 53 17 Apr 2025 492nd DialFrost 🇸🇬 0 53 17 Apr 2025 492nd sean-niemann 🇺🇸 0 53 17 Apr 2025 492nd HumanoidCPU 0 53 18 Apr 2025 492nd m-tkach 🇺🇦 0 53 23 Apr 2025 492nd emgordon154 0 53 23 Apr 2025 492nd duckyluuk 🇳🇱 0 53 13 Jun 2025 492nd duckyluuk 🇳🇱 0 53 13 Jun 2025 492nd DialFrost 🇸🇬 0 53 13 Jun 2025 492nd MeWhenI 🇻🇦 0 53 14 Jun 2025 492nd rucin93 🇵🇱 0 53 14 Jun 2025 492nd BREMAUCY 🇫🇷 0 53 1 Jul 2025 492nd GolfingSuccess 🇬🇷 0 53 2 Jul 2025 492nd fuzzylojik-golf 🇺🇸 0 53 15 Jul 2025 492nd ovs-code 🇩🇪 0 53 18 Jul 2025 492nd snoozingnewt 🇺🇸 0 53 16 days ago 492nd snoozingnewt 🇺🇸 0 53 16 days ago 492nd snoozingnewt 🇺🇸 0 53 15 days ago 516th neel11235813 0 54 9 Dec 2024 516th b-illy 🇬🇧 0 54 4 Jan 2025 516th CLOStrophobic 🇮🇹 0 54 22 Jan 2025 516th edsrzf 🇳🇿 0 54 7 Aug 2025 520th lifthrasiir 🇰🇷 0 55 2 Dec 2024 520th Yewzir 🇧🇪 0 55 28 Dec 2024 520th JunkIce 0 55 7 Jan 2025 520th CLOStrophobic 🇮🇹 0 55 22 Jan 2025 520th commandblockguy 🇺🇸 0 55 2 Feb 2025 520th lyphyser 0 55 8 Feb 2025 Prev 451–525 of 2,537 Next