Tutorial in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 775th MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 775th targrik 0 61 4ms 15 Feb 2025 775th attila8192 0 61 12ms 1 Mar 2025 775th targrik 0 61 2ms 14 Mar 2025 775th janlelis 0 61 13ms 31 Mar 2025 775th b-illy 🇬🇧 0 61 12ms 16 Apr 2025 775th janbehrens 🇩🇪 0 61 14ms 17 Apr 2025 775th pardouin 🇫🇷 0 61 12ms 17 Apr 2025 775th Shanethegamer 🇺🇸 0 61 81ms 17 Apr 2025 775th edsrzf 🇳🇿 0 61 13ms 17 Apr 2025 775th HumanoidCPU 0 61 86ms 18 Apr 2025 775th HumanoidCPU 0 61 12ms 18 Apr 2025 775th AlephSquirrel 0 61 12ms 20 Apr 2025 775th Sam-Vrgl 0 61 13ms 13 May 2025 775th c-py 0 61 12ms 14 May 2025 775th albanian-laundromat 0 61 76ms 6 Jun 2025 775th Andrey-Plotnikov 0 61 11ms 19 Jun 2025 775th a6166231 🇨🇳 0 61 12ms 20 Jun 2025 775th elana-teal 0 61 11ms 20 Jun 2025 775th BREMAUCY 🇫🇷 0 61 13ms 1 Jul 2025 775th RYSF13 🇨🇳 0 61 12ms 5 Jul 2025 775th p01 0 61 14ms 28 Jul 2025 775th KrausRaus 🇺🇸 0 61 13ms 29 Jul 2025 775th dmrichwa 🇺🇸 0 61 14ms 29 Jul 2025 775th dokutan 0 61 2ms 5 Aug 2025 775th gitchaell 🇧🇴 0 61 12ms 6 Aug 2025 775th lukepolak 0 61 12ms 7 Aug 2025 775th adrianbgo 0 61 12ms 7 Aug 2025 775th helbling 🇨🇭 0 61 12ms 28 Aug 2025 775th snoozingnewt 🇨🇦 0 61 75ms 15 Sep 2025 775th snoozingnewt 🇨🇦 0 61 12ms 15 Sep 2025 775th larsendaniel 0 61 11ms 7 Nov 2025 775th JOrE20 0 61 12ms 18 Nov 2025 775th GodlyProgrammer1 0 61 12ms 22 Nov 2025 775th Kacarott 🇦🇺 0 61 104ms 25 Nov 2025 775th egertaia 0 61 12ms 9 Jan 2026 775th r58iiz 0 61 13ms 15 Jan 2026 775th ragonscreen 0 61 12ms 16 Jan 2026 775th matzuka 0 61 35ms 29 Jan 2026 775th FoxInTheClouds 0 61 12ms 5 Feb 2026 775th Ultra814 0 61 12ms 15 days ago 842nd emgordon154 0 62 2ms 27 Nov 2024 842nd CLOStrophobic 🇮🇹 0 62 3ms 4 Feb 2025 842nd DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 842nd heanyang1 0 62 14ms 26 Mar 2025 842nd dokutan 0 62 1,721ms 15 Jul 2025 842nd 6512345 0 62 125ms 4 Nov 2025 842nd edward-Han1024 0 62 11ms 98 mins ago 849th kg583 🇺🇸 0 63 49ms 21 Nov 2024 849th sean-niemann 🇺🇸 0 63 166ms 10 Dec 2024 849th MeWhenI 🇻🇦 0 63 6ms 18 Dec 2024 849th zacjl 0 63 52ms 31 Dec 2024 849th CLOStrophobic 🇮🇹 0 63 58ms 17 Jan 2025 849th edsrzf 🇳🇿 0 63 50ms 9 Feb 2025 849th GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 849th Nemikolh 🇫🇷 0 63 13ms 12 Feb 2025 849th GolfingSuccess 🇬🇷 0 63 156ms 20 Feb 2025 849th varhammer 0 63 6ms 22 Feb 2025 849th voytxt 🇨🇿 0 63 168ms 17 Apr 2025 849th FlyingPenguin223 0 63 51ms 17 Apr 2025 849th DialFrost 🇸🇬 0 63 161ms 17 Apr 2025 849th DialFrost 🇸🇬 0 63 6ms 17 Apr 2025 849th DialFrost 🇸🇬 0 63 49ms 17 Apr 2025 849th pardouin 🇫🇷 0 63 184ms 17 Apr 2025 849th Shanethegamer 🇺🇸 0 63 5ms 17 Apr 2025 849th Shanethegamer 🇺🇸 0 63 54ms 17 Apr 2025 849th GolfingSuccess 🇬🇷 0 63 6ms 17 Apr 2025 849th HumanoidCPU 0 63 165ms 18 Apr 2025 849th HumanoidCPU 0 63 6ms 18 Apr 2025 849th HumanoidCPU 0 63 50ms 18 Apr 2025 849th CaedenHarper 🇨🇦 0 63 162ms 18 Apr 2025 849th CaedenHarper 🇨🇦 0 63 6ms 18 Apr 2025 849th CaedenHarper 🇨🇦 0 63 56ms 18 Apr 2025 849th dokutan 0 63 5ms 28 Apr 2025 849th Jigglypuffed 0 63 56ms 19 Jul 2025 849th penous 0 63 12ms 2 Aug 2025 849th YellowDudeIsMe 0 63 13ms 14 Aug 2025 849th albanian-laundromat 0 63 6ms 22 Aug 2025 849th snoozingnewt 🇨🇦 0 63 160ms 15 Sep 2025 849th snoozingnewt 🇨🇦 0 63 6ms 15 Sep 2025 First Prev 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