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Tutorial in Python 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 241st UnicornOnAzur 0 82 14ms 3 Jun 2025 241st heisenbirb 0 82 12ms 6 Jun 2025 241st HunterC14 0 82 13ms 17 Nov 2025 244th brahim-lamnaouar 0 84 12ms 5 Mar 2025 245th argentite 0 86 12ms 11 Sep 2025 245th slimer37 0 86 13ms 14 days ago 247th ThomasDelepine 0 87 10ms 28 Oct 2025 247th kayaulai 0 87 10ms 27 days ago 249th RedzGoose 🇦🇺 0 88 13ms 15 Dec 2024 249th desecaw13 0 88 10ms 24 Jan 2025 249th psethwick 0 88 13ms 31 Jan 2025 249th croc54 0 88 10ms 7 Feb 2025 249th hippopotam00sehead 🇨🇦 0 88 11ms 20 Feb 2025 249th SOONwasTaken 0 88 14ms 18 Mar 2025 249th jameswmccarty 0 88 12ms 28 Mar 2025 249th 40fied4t 0 88 13ms 5 May 2025 249th Symmetori 0 88 13ms 20 May 2025 249th DABANANAMAN120 0 88 12ms 26 Jun 2025 249th Upload-and-View 🇺🇦 0 88 11ms 24 Jul 2025 249th MikSm1th 0 88 10ms 1 Aug 2025 249th ToE42 0 88 10ms 31 Oct 2025 249th muslii4 0 88 10ms 4 Nov 2025 249th Carlos-EAC 0 88 12ms 27 days ago 264th gamk3 0 90 10ms 6 May 2025 265th ivittacl 0 91 13ms 8 Aug 2025 266th GeneralFabian 0 92 11ms 4 Dec 2024 266th Salutations45 0 92 11ms 26 Jan 2025 266th RYSF13 🇨🇳 0 92 12ms 27 Jan 2025 266th Wonamm 0 92 11ms 14 Feb 2025 266th bobbysq 0 92 10ms 22 Feb 2025 266th innxir 0 92 13ms 19 Mar 2025 266th aekkang 0 92 13ms 13 May 2025 266th EnisEfe0 0 92 13ms 18 May 2025 266th matejmatik123 🇸🇰 0 92 10ms 15 Jul 2025 266th Chara-0x 0 92 10ms 18 Sep 2025 266th jacekwladzinski 0 92 10ms 2 Oct 2025 266th MiceAndDice 0 92 31ms 6 Oct 2025 266th jtaxen 0 92 11ms 15 Oct 2025 266th irmilla2006 0 92 11ms 17 Oct 2025 266th Voltrifrodec 🇸🇰 0 92 11ms 25 days ago 266th MyckollWinchester 0 92 10ms 10 days ago 266th kurkale6ka 0 92 10ms 4 days ago 266th celiendonze 🇨🇭 0 92 12ms 2 days ago 284th targrik 0 94 10ms 15 Feb 2025 284th MrRumples 0 94 10ms 6 Jun 2025 284th frankgraziano 0 94 13ms 18 Jul 2025 284th brimstonetrader 0 94 11ms 31 Jul 2025 284th cthierfelder 🇲🇨 0 94 13ms 1 Aug 2025 284th katss2 0 94 10ms 14 Aug 2025 284th Aaditya-Chunekar 0 94 10ms 29 Aug 2025 284th aalec 0 94 10ms 9 Nov 2025 292nd Evytag 🇫🇷 0 95 11ms 9 Oct 2025 293rd C0DET1GER 0 96 13ms 1 Feb 2025 293rd Lv0Sys 🇵🇱 0 96 12ms 25 May 2025 293rd Naitzirch 🇳🇱 0 96 13ms 3 Jul 2025 293rd vishwathg 0 96 13ms 25 Jul 2025 293rd helloworld127 0 96 12ms 9 Aug 2025 293rd PanNessMain 0 96 13ms 26 Aug 2025 293rd WildTooth 0 96 10ms 9 Oct 2025 293rd Beshamel 0 96 10ms 9 Oct 2025 293rd giant-web 0 96 11ms 16 Oct 2025 293rd jreineke 0 96 10ms 25 Oct 2025 293rd brianrainer 0 96 14ms 12 days ago 293rd yoikolover 0 96 10ms 9 days ago 305th RexRowan 🇬🇧 0 98 14ms 17 Jun 2025 305th EfficiencySimplicity 0 98 15ms 19 days ago 307th ESOrSomething 0 99 11ms 26 Sep 2025 308th RuralAnemone 0 100 13ms 18 Mar 2025 308th alexanderkuesel 0 100 12ms 20 Jun 2025 308th Seis 0 100 13ms 3 Jul 2025 308th logalex8369 🇺🇸 0 100 10ms 2 days ago 312th OyuDays 0 102 12ms 17 Mar 2025 312th abali2509 0 102 11ms 8 Nov 2025 312th MSRishab007 0 102 11ms 13 days ago 315th Zilbo314 0 106 13ms 21 May 2025 315th Jagger002 0 106 11ms 24 Jun 2025 315th VeryHolyCheeeese 🇫🇮 0 106 10ms 24 Jun 2025 315th SirObby 🇫🇮 0 106 10ms 24 Jun 2025 315th 273dan 0 106 10ms 13 days ago 320th pquline 0 111 11ms 4 Mar 2025 First Prev 241–320 of 350 Next Last