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 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 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 667th sohamkorade 0 59 22ms 13 Feb 2025 667th DanielBash 0 59 14ms 22 Feb 2025 667th persistz 0 59 15ms 30 Jun 2025 667th LostSyntax21 🇬🇧 0 59 5ms 19 Jul 2025 667th vgamula 🇺🇦 0 59 15ms 5 Aug 2025 681st emgordon154 0 60 143ms 28 Nov 2024 681st xsot 🇸🇬 0 60 6ms 4 Dec 2024 681st Shanethegamer 🇺🇸 0 60 146ms 10 Jan 2025 681st Natanaelel 🇸🇪 0 60 3ms 26 Jan 2025 681st emgordon154 0 60 4,086ms 4 Feb 2025 681st klixel 🇨🇦 0 60 88ms 8 Apr 2025 681st swcnt 0 60 16ms 9 Apr 2025 681st rucin93 🇵🇱 0 60 152ms 17 Apr 2025 681st dokutan 0 60 187ms 6 Jun 2025 681st emgordon154 0 60 2ms 5 Aug 2025 691st Shanethegamer 🇺🇸 0 61 11ms 20 Nov 2024 691st stefangimmillaro 0 61 12ms 21 Nov 2024 691st error256 0 61 10ms 21 Nov 2024 691st error256 0 61 117ms 21 Nov 2024 691st ovs-code 🇩🇪 0 61 11ms 25 Nov 2024 691st GolfingSuccess 🇬🇷 0 61 15ms 25 Nov 2024 691st sean-niemann 🇺🇸 0 61 14ms 26 Nov 2024 691st duckyluuk 🇳🇱 0 61 14ms 26 Nov 2024 691st DialFrost 🇸🇬 0 61 10ms 26 Nov 2024 691st rucin93 🇵🇱 0 61 16ms 26 Nov 2024 691st emgordon154 0 61 13ms 28 Nov 2024 691st stefangimmillaro 0 61 4ms 3 Dec 2024 691st lukegustafson 🇺🇸 0 61 12ms 7 Dec 2024 691st MeWhenI 🇻🇦 0 61 12ms 11 Dec 2024 691st emplv 🇱🇻 0 61 12ms 11 Dec 2024 691st voytxt 🇨🇿 0 61 11ms 22 Dec 2024 691st Salutations45 0 61 11ms 29 Dec 2024 691st duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 691st CLOStrophobic 🇮🇹 0 61 17ms 22 Jan 2025 691st voytxt 🇨🇿 0 61 6ms 25 Jan 2025 691st m-tkach 🇺🇦 0 61 13ms 30 Jan 2025 691st Natanaelel 🇸🇪 0 61 12ms 2 Feb 2025 691st CaedenHarper 🇨🇦 0 61 10ms 3 Feb 2025 691st BalaM314 0 61 10ms 4 Feb 2025 691st kg583 🇺🇸 0 61 84ms 5 Feb 2025 691st GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 691st HumanoidCPU 0 61 4ms 7 Feb 2025 691st targrik 0 61 10ms 8 Feb 2025 691st MeWhenI 🇻🇦 0 61 4ms 14 Feb 2025 691st targrik 0 61 4ms 15 Feb 2025 691st attila8192 0 61 11ms 1 Mar 2025 691st targrik 0 61 2ms 14 Mar 2025 691st janlelis 0 61 14ms 31 Mar 2025 691st b-illy 🇬🇧 0 61 10ms 16 Apr 2025 691st janbehrens 🇩🇪 0 61 18ms 17 Apr 2025 691st pardouin 🇫🇷 0 61 11ms 17 Apr 2025 691st Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 691st edsrzf 🇳🇿 0 61 14ms 17 Apr 2025 691st HumanoidCPU 0 61 121ms 18 Apr 2025 691st HumanoidCPU 0 61 12ms 18 Apr 2025 691st AlephSquirrel 0 61 12ms 20 Apr 2025 691st Sam-Vrgl 0 61 12ms 13 May 2025 691st c-py 0 61 18ms 14 May 2025 691st albanian-laundromat 0 61 126ms 6 Jun 2025 691st Andrey-Plotnikov 0 61 14ms 19 Jun 2025 691st a6166231 🇨🇳 0 61 13ms 20 Jun 2025 691st elana-teal 0 61 16ms 20 Jun 2025 691st BREMAUCY 🇫🇷 0 61 12ms 1 Jul 2025 691st RYSF13 🇨🇳 0 61 14ms 5 Jul 2025 691st p01 0 61 12ms 28 Jul 2025 691st KrausRaus 🇺🇸 0 61 12ms 29 Jul 2025 691st dmrichwa 🇺🇸 0 61 11ms 29 Jul 2025 691st dokutan 0 61 3ms 5 Aug 2025 691st gitchaell 🇧🇴 0 61 19ms 6 Aug 2025 691st lukepolak 0 61 14ms 7 Aug 2025 691st adrianbgo 0 61 15ms 7 Aug 2025 691st helbling 🇨🇭 0 61 12ms 28 Aug 2025 691st snoozingnewt 🇺🇸 0 61 130ms 15 Sep 2025 691st snoozingnewt 🇺🇸 0 61 12ms 15 Sep 2025 750th emgordon154 0 62 3ms 27 Nov 2024 First Prev 676–750 of 2,788 Next Last