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 675th lukegustafson 🇺🇸 0 59 141ms 21 Dec 2024 675th yujh-yujh 🇬🇸 0 59 11ms 3 Jan 2025 675th emgordon154 0 59 5ms 8 Jan 2025 675th duckyluuk 🇳🇱 0 59 4ms 12 Jan 2025 675th Natanaelel 🇸🇪 0 59 5ms 2 Feb 2025 675th dokutan 0 59 15ms 3 Feb 2025 675th Shanethegamer 🇺🇸 0 59 3ms 7 Feb 2025 675th voytxt 🇨🇿 0 59 8ms 8 Feb 2025 675th sohamkorade 0 59 22ms 13 Feb 2025 675th DanielBash 0 59 14ms 22 Feb 2025 675th persistz 0 59 15ms 30 Jun 2025 675th LostSyntax21 🇬🇧 0 59 5ms 19 Jul 2025 675th vgamula 🇺🇦 0 59 15ms 5 Aug 2025 675th Boowie41 0 59 11ms 2 days ago 690th emgordon154 0 60 137ms 28 Nov 2024 690th xsot 🇸🇬 0 60 4ms 4 Dec 2024 690th Shanethegamer 🇺🇸 0 60 146ms 10 Jan 2025 690th Natanaelel 🇸🇪 0 60 3ms 26 Jan 2025 690th emgordon154 0 60 4,086ms 4 Feb 2025 690th klixel 🇨🇦 0 60 88ms 8 Apr 2025 690th swcnt 0 60 16ms 9 Apr 2025 690th rucin93 🇵🇱 0 60 139ms 17 Apr 2025 690th dokutan 0 60 141ms 6 Jun 2025 690th emgordon154 0 60 2ms 5 Aug 2025 690th emgordon154 0 60 76ms 6 days ago 701st Shanethegamer 🇺🇸 0 61 12ms 20 Nov 2024 701st stefangimmillaro 0 61 13ms 21 Nov 2024 701st error256 0 61 11ms 21 Nov 2024 701st error256 0 61 117ms 21 Nov 2024 701st ovs-code 🇩🇪 0 61 12ms 25 Nov 2024 701st GolfingSuccess 🇬🇷 0 61 11ms 25 Nov 2024 701st sean-niemann 🇺🇸 0 61 12ms 26 Nov 2024 701st duckyluuk 🇳🇱 0 61 11ms 26 Nov 2024 701st DialFrost 🇸🇬 0 61 11ms 26 Nov 2024 701st rucin93 🇵🇱 0 61 12ms 26 Nov 2024 701st emgordon154 0 61 11ms 28 Nov 2024 701st stefangimmillaro 0 61 4ms 3 Dec 2024 701st lukegustafson 🇺🇸 0 61 10ms 7 Dec 2024 701st MeWhenI 🇻🇦 0 61 11ms 11 Dec 2024 701st emplv 🇱🇻 0 61 11ms 11 Dec 2024 701st voytxt 🇨🇿 0 61 11ms 22 Dec 2024 701st Salutations45 0 61 11ms 29 Dec 2024 701st duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 701st CLOStrophobic 🇮🇹 0 61 12ms 22 Jan 2025 701st voytxt 🇨🇿 0 61 5ms 25 Jan 2025 701st m-tkach 🇺🇦 0 61 11ms 30 Jan 2025 701st Natanaelel 🇸🇪 0 61 11ms 2 Feb 2025 701st CaedenHarper 🇨🇦 0 61 11ms 3 Feb 2025 701st BalaM314 0 61 14ms 4 Feb 2025 701st kg583 🇺🇸 0 61 84ms 5 Feb 2025 701st GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 701st HumanoidCPU 0 61 4ms 7 Feb 2025 701st targrik 0 61 11ms 8 Feb 2025 701st MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 701st targrik 0 61 4ms 15 Feb 2025 701st attila8192 0 61 11ms 1 Mar 2025 701st targrik 0 61 2ms 14 Mar 2025 701st janlelis 0 61 11ms 31 Mar 2025 701st b-illy 🇬🇧 0 61 11ms 16 Apr 2025 701st janbehrens 🇩🇪 0 61 11ms 17 Apr 2025 701st pardouin 🇫🇷 0 61 13ms 17 Apr 2025 701st Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 701st edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 701st HumanoidCPU 0 61 121ms 18 Apr 2025 701st HumanoidCPU 0 61 11ms 18 Apr 2025 701st AlephSquirrel 0 61 11ms 20 Apr 2025 701st Sam-Vrgl 0 61 11ms 13 May 2025 701st c-py 0 61 11ms 14 May 2025 701st albanian-laundromat 0 61 126ms 6 Jun 2025 701st Andrey-Plotnikov 0 61 11ms 19 Jun 2025 701st a6166231 🇨🇳 0 61 11ms 20 Jun 2025 701st elana-teal 0 61 16ms 20 Jun 2025 701st BREMAUCY 🇫🇷 0 61 11ms 1 Jul 2025 701st RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 701st p01 0 61 11ms 28 Jul 2025 First Prev 676–750 of 2,813 Next Last