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 851st snoozingnewt 🇨🇦 0 63 176ms 15 Sep 2025 851st snoozingnewt 🇨🇦 0 63 6ms 15 Sep 2025 851st snoozingnewt 🇨🇦 0 63 52ms 15 Sep 2025 851st luuumine 🇫🇷 0 63 2ms 10 Nov 2025 851st JOrE20 0 63 6ms 18 Nov 2025 851st kayaulai 0 63 94ms 23 Nov 2025 887th Shanethegamer 🇺🇸 0 64 142ms 20 Nov 2024 887th error256 0 64 131ms 21 Nov 2024 887th error256 0 64 1,021ms 21 Nov 2024 887th emgordon154 0 64 2ms 26 Nov 2024 887th Liniarc 0 64 13ms 26 Nov 2024 887th Natanaelel 🇸🇪 0 64 181ms 9 Dec 2024 887th MeWhenI 🇻🇦 0 64 49ms 12 Dec 2024 887th MeWhenI 🇻🇦 0 64 14ms 14 Feb 2025 887th targrik 0 64 14ms 15 Feb 2025 887th calum12345 0 64 14ms 25 Mar 2025 887th Chinay-Domitrix 🇺🇸 0 64 4,233ms 18 Apr 2025 887th sean-niemann 🇺🇸 0 64 74ms 30 Apr 2025 887th TheDrawingCoder-Gamer 0 64 14ms 29 Jun 2025 887th Babafaba 0 64 15ms 15 Oct 2025 887th luuumine 🇫🇷 0 64 1,021ms 16 Oct 2025 887th GolfingSuccess 🇬🇷 0 64 3ms 12 Nov 2025 887th GolfingSuccess 🇬🇷 0 64 155ms 2 Dec 2025 887th Shanethegamer 🇺🇸 0 64 152ms 4 Dec 2025 887th GolfingSuccess 🇬🇷 0 64 127ms 15 Dec 2025 887th amazingalek 🇳🇴 0 64 13ms 16 Dec 2025 887th error256 0 64 150ms 3 Feb 2026 887th pardouin 🇫🇷 0 64 167ms 4 Feb 2026 909th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 909th stefangimmillaro 0 65 12ms 20 Nov 2024 909th edsrzf 🇳🇿 0 65 10ms 21 Nov 2024 909th ovs-code 🇩🇪 0 65 12ms 25 Nov 2024 909th GolfingSuccess 🇬🇷 0 65 12ms 25 Nov 2024 909th AlephSquirrel 0 65 10ms 25 Nov 2024 909th AlephSquirrel 0 65 50ms 25 Nov 2024 909th pardouin 🇫🇷 0 65 11ms 25 Nov 2024 909th btnlq 0 65 10ms 26 Nov 2024 909th CaedenHarper 🇨🇦 0 65 12ms 26 Nov 2024 909th inventshah 0 65 11ms 26 Nov 2024 909th sean-niemann 🇺🇸 0 65 167ms 26 Nov 2024 909th stefangimmillaro 0 65 158ms 26 Nov 2024 909th duckyluuk 🇳🇱 0 65 10ms 26 Nov 2024 909th ovs-code 🇩🇪 0 65 2ms 26 Nov 2024 909th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 909th zacjl 0 65 11ms 1 Dec 2024 909th zacjl 0 65 6ms 1 Dec 2024 909th sisyphus-ppcg 🇦🇺 0 65 12ms 2 Dec 2024 909th SirBogman 🇺🇸 0 65 11ms 3 Dec 2024 909th xsot 🇸🇬 0 65 11ms 4 Dec 2024 909th lukegustafson 🇺🇸 0 65 10ms 7 Dec 2024 909th Europe2048 0 65 13ms 7 Dec 2024 909th neel11235813 0 65 11ms 9 Dec 2024 909th Seek64 🇩🇪 0 65 11ms 10 Dec 2024 909th MeWhenI 🇻🇦 0 65 2ms 11 Dec 2024 909th antimon2 🇯🇵 0 65 11ms 16 Dec 2024 909th error256 0 65 6ms 16 Dec 2024 909th edsrzf 🇳🇿 0 65 6ms 18 Dec 2024 909th bizy-coder 0 65 11ms 28 Dec 2024 909th Bulmenisaurus 0 65 13ms 1 Jan 2025 909th m-tkach 🇺🇦 0 65 161ms 3 Jan 2025 909th emgordon154 0 65 6ms 11 Jan 2025 909th prplz 🇦🇺 0 65 11ms 23 Jan 2025 909th kg583 🇺🇸 0 65 6ms 23 Jan 2025 909th CLOStrophobic 🇮🇹 0 65 5ms 23 Jan 2025 909th mathisfun271 0 65 11ms 25 Jan 2025 909th Natanaelel 🇸🇪 0 65 11ms 26 Jan 2025 909th Shanethegamer 🇺🇸 0 65 11ms 30 Jan 2025 909th firegene 🇮🇪 0 65 10ms 30 Jan 2025 909th Lydxn 🇨🇦 0 65 10ms 31 Jan 2025 909th commandz0 🇺🇸 0 65 12ms 2 Feb 2025 909th GolfingSuccess 🇬🇷 0 65 7ms 3 Feb 2025 909th bricknellj 0 65 11ms 5 Feb 2025 909th qpwoeirut 0 65 4,462ms 7 Feb 2025 909th xyangst 0 65 14ms 14 Feb 2025 909th emgordon154 0 65 48ms 17 Feb 2025 909th acotis 0 65 297ms 18 Feb 2025 909th gigaprofisi 🇺🇸 0 65 308ms 3 Mar 2025 909th GolfingSuccess 🇬🇷 0 65 166ms 6 Mar 2025 909th Jacob385 0 65 2ms 19 Mar 2025 909th 4atj 0 65 12ms 10 Apr 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