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 893rd fourth-bit 0 66 8 Feb 2025 893rd sohamkorade 0 66 13 Feb 2025 893rd emgordon154 0 66 17 Feb 2025 893rd lowtied 0 66 18 Feb 2025 893rd chunes3 🇺🇸 0 66 21 Feb 2025 893rd Languag3 0 66 28 Feb 2025 893rd gigaprofisi 🇺🇸 0 66 3 Mar 2025 893rd Stockoh 🇫🇷 0 66 3 Mar 2025 893rd targrik 0 66 14 Mar 2025 893rd jatloe 0 66 17 Mar 2025 893rd Jacob385 0 66 15 Apr 2025 893rd moustave 0 66 16 Apr 2025 893rd Kacarott 🇦🇺 0 66 17 Apr 2025 893rd edsrzf 🇳🇿 0 66 17 Apr 2025 893rd HumanoidCPU 0 66 18 Apr 2025 893rd CaedenHarper 🇨🇦 0 66 18 Apr 2025 893rd DialFrost 🇸🇬 0 66 23 Apr 2025 893rd Shanethegamer 🇺🇸 0 66 23 Apr 2025 893rd emgordon154 0 66 23 Apr 2025 893rd andrewjc2000 0 66 5 May 2025 893rd ffelixm 0 66 30 May 2025 893rd Ealeex 0 66 10 Jun 2025 893rd smilesformiles3 0 66 15 Jun 2025 893rd coldham10 0 66 27 Jun 2025 893rd persistz 0 66 30 Jun 2025 893rd ffelixm 0 66 1 Jul 2025 893rd idaflux 0 66 5 Jul 2025 893rd hiichbindermax 0 66 5 Aug 2025 893rd InigoK 🇺🇸 0 66 6 Aug 2025 893rd travisdoesmath 0 66 6 Sep 2025 893rd TheTrustyPwo 0 66 27 days ago 893rd snoozingnewt 🇺🇸 0 66 20 days ago 893rd targrik 0 66 17 days ago 893rd targrik 0 66 17 days ago 893rd andres-k 0 66 14 days ago 893rd KatieLG 🇬🇧 0 66 8 days ago 893rd FranklinJiaChen 0 66 4 days ago 938th FlyingPenguin223 0 67 21 Nov 2024 938th Jacob385 0 67 21 Nov 2024 938th Jacob385 0 67 21 Nov 2024 938th GolfingSuccess 🇬🇷 0 67 25 Nov 2024 938th GolfingSuccess 🇬🇷 0 67 7 Dec 2024 938th yujh-yujh 🇬🇸 0 67 3 Jan 2025 938th duckyluuk 🇳🇱 0 67 3 Jan 2025 938th Vexxter9 🇳🇱 0 67 14 Jan 2025 938th kamihitoe 0 67 15 Jan 2025 938th dokutan 0 67 31 Jan 2025 938th CutSandstone 0 67 1 Feb 2025 938th adityagiri3600 0 67 2 Feb 2025 938th edsrzf 🇳🇿 0 67 7 Feb 2025 938th martindotexe 🇳🇴 0 67 13 Feb 2025 938th IcedDog 0 67 14 Feb 2025 938th n3xta 0 67 14 Feb 2025 938th DanielBash 0 67 14 Feb 2025 938th xyangst 0 67 14 Feb 2025 938th btjones0 0 67 17 Feb 2025 938th smclaughlin-cf 0 67 19 Feb 2025 938th Troon 0 67 21 Feb 2025 938th pol-7 0 67 6 Mar 2025 938th jumpingtj 0 67 9 Mar 2025 938th edsrzf 🇳🇿 0 67 14 Mar 2025 938th rustykitty 0 67 21 Mar 2025 938th retrohun 0 67 31 Mar 2025 938th pastelglowcloud 0 67 2 Apr 2025 938th litvanika 0 67 5 Apr 2025 938th 1nspir3d 0 67 6 Apr 2025 938th MeepMoop 0 67 6 Apr 2025 938th gonengazit 0 67 8 Apr 2025 938th Darklight-03 0 67 14 Apr 2025 938th nilan425 0 67 16 Apr 2025 938th DialFrost 🇸🇬 0 67 17 Apr 2025 938th Andriamanitra 🇫🇮 0 67 17 Apr 2025 938th Shanethegamer 🇺🇸 0 67 17 Apr 2025 938th edsrzf 🇳🇿 0 67 17 Apr 2025 938th HumanoidCPU 0 67 18 Apr 2025 First Prev 901–975 of 2,549 Next Last