Tutorial in all languages in chars. 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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 673rd emgordon154 0 59 5ms 8 Jan 2025 673rd duckyluuk 🇳🇱 0 59 4ms 12 Jan 2025 673rd Natanaelel 🇸🇪 0 59 5ms 2 Feb 2025 673rd dokutan 0 59 15ms 3 Feb 2025 673rd Shanethegamer 🇺🇸 0 59 3ms 7 Feb 2025 673rd voytxt 🇨🇿 0 59 8ms 8 Feb 2025 673rd sohamkorade 0 59 22ms 13 Feb 2025 673rd DanielBash 0 59 14ms 22 Feb 2025 673rd persistz 0 59 15ms 30 Jun 2025 673rd LostSyntax21 🇬🇧 0 59 5ms 19 Jul 2025 673rd vgamula 🇺🇦 0 59 15ms 5 Aug 2025 673rd Boowie41 0 59 11ms 7 hours ago 688th emgordon154 0 60 143ms 28 Nov 2024 688th xsot 🇸🇬 0 60 6ms 4 Dec 2024 688th Shanethegamer 🇺🇸 0 60 146ms 10 Jan 2025 688th Natanaelel 🇸🇪 0 60 3ms 26 Jan 2025 688th emgordon154 0 60 4,086ms 4 Feb 2025 688th klixel 🇨🇦 0 60 88ms 8 Apr 2025 688th swcnt 0 60 16ms 9 Apr 2025 688th rucin93 🇵🇱 0 60 152ms 17 Apr 2025 688th dokutan 0 60 187ms 6 Jun 2025 688th emgordon154 0 60 2ms 5 Aug 2025 688th emgordon154 0 60 76ms 4 days ago 699th Shanethegamer 🇺🇸 0 61 12ms 20 Nov 2024 699th stefangimmillaro 0 61 13ms 21 Nov 2024 699th error256 0 61 11ms 21 Nov 2024 699th error256 0 61 117ms 21 Nov 2024 699th ovs-code 🇩🇪 0 61 12ms 25 Nov 2024 699th GolfingSuccess 🇬🇷 0 61 11ms 25 Nov 2024 699th sean-niemann 🇺🇸 0 61 12ms 26 Nov 2024 699th duckyluuk 🇳🇱 0 61 11ms 26 Nov 2024 699th DialFrost 🇸🇬 0 61 11ms 26 Nov 2024 699th rucin93 🇵🇱 0 61 12ms 26 Nov 2024 699th emgordon154 0 61 11ms 28 Nov 2024 699th stefangimmillaro 0 61 4ms 3 Dec 2024 699th lukegustafson 🇺🇸 0 61 10ms 7 Dec 2024 699th MeWhenI 🇻🇦 0 61 11ms 11 Dec 2024 699th emplv 🇱🇻 0 61 11ms 11 Dec 2024 699th voytxt 🇨🇿 0 61 11ms 22 Dec 2024 699th Salutations45 0 61 11ms 29 Dec 2024 699th duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 699th CLOStrophobic 🇮🇹 0 61 12ms 22 Jan 2025 699th voytxt 🇨🇿 0 61 6ms 25 Jan 2025 699th m-tkach 🇺🇦 0 61 11ms 30 Jan 2025 699th Natanaelel 🇸🇪 0 61 11ms 2 Feb 2025 699th CaedenHarper 🇨🇦 0 61 11ms 3 Feb 2025 699th BalaM314 0 61 14ms 4 Feb 2025 699th kg583 🇺🇸 0 61 84ms 5 Feb 2025 699th GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 699th HumanoidCPU 0 61 4ms 7 Feb 2025 699th targrik 0 61 11ms 8 Feb 2025 699th MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 699th targrik 0 61 4ms 15 Feb 2025 699th attila8192 0 61 11ms 1 Mar 2025 699th targrik 0 61 2ms 14 Mar 2025 699th janlelis 0 61 11ms 31 Mar 2025 699th b-illy 🇬🇧 0 61 11ms 16 Apr 2025 699th janbehrens 🇩🇪 0 61 11ms 17 Apr 2025 699th pardouin 🇫🇷 0 61 13ms 17 Apr 2025 699th Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 699th edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 699th HumanoidCPU 0 61 121ms 18 Apr 2025 699th HumanoidCPU 0 61 11ms 18 Apr 2025 699th AlephSquirrel 0 61 11ms 20 Apr 2025 699th Sam-Vrgl 0 61 11ms 13 May 2025 699th c-py 0 61 11ms 14 May 2025 699th albanian-laundromat 0 61 126ms 6 Jun 2025 699th Andrey-Plotnikov 0 61 11ms 19 Jun 2025 699th a6166231 🇨🇳 0 61 11ms 20 Jun 2025 699th elana-teal 0 61 16ms 20 Jun 2025 699th BREMAUCY 🇫🇷 0 61 11ms 1 Jul 2025 699th RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 699th p01 0 61 11ms 28 Jul 2025 699th KrausRaus 🇺🇸 0 61 11ms 29 Jul 2025 699th dmrichwa 🇺🇸 0 61 11ms 29 Jul 2025 First Prev 676–750 of 2,808 Next Last