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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 149th litvanika 0 67 13ms 5 Apr 2025 149th Darklight-03 0 67 17ms 14 Apr 2025 149th nilan425 0 67 13ms 16 Apr 2025 149th Andriamanitra 🇫🇮 0 67 14ms 17 Apr 2025 149th adaGrad1 0 67 11ms 18 Apr 2025 149th codewrite 🇬🇧 0 67 13ms 18 Apr 2025 149th masterofsoap 0 67 13ms 24 Apr 2025 149th Lodiscode 0 67 13ms 6 May 2025 149th adammielniczuk 0 67 11ms 12 May 2025 149th erikji 0 67 14ms 23 May 2025 149th TheZwierzLF 🇵🇱 0 67 11ms 27 May 2025 149th NOS4A5I 0 67 13ms 9 Jun 2025 149th Rogacz 0 67 13ms 9 Jun 2025 149th henryjgt 0 67 13ms 17 Jun 2025 149th shininglegend 0 67 15ms 19 Jun 2025 149th kit971103 0 67 12ms 25 Jun 2025 149th Scaredname 0 67 15ms 5 Jul 2025 149th osNiko 🇧🇷 0 67 16ms 26 Jul 2025 149th LuisGoncalves05 🇵🇹 0 67 14ms 27 Jul 2025 149th dat9395 0 67 14ms 1 Aug 2025 149th avivex1000 0 67 14ms 16 Aug 2025 149th LNCH 0 67 12ms 20 Aug 2025 149th BoraTheDeveloper 0 67 11ms 24 Aug 2025 149th Kaleab-Ayenew 0 67 14ms 27 Aug 2025 149th canonnizq 0 67 12ms 30 Aug 2025 149th frederni 0 67 14ms 10 Sep 2025 149th tungland 0 67 14ms 10 Sep 2025 149th yibotongxue 0 67 15ms 20 Sep 2025 149th HHHMGK 0 67 11ms 26 Sep 2025 149th RZ781 0 67 11ms 26 Sep 2025 149th TheSilentWhisperer 0 67 11ms 3 Oct 2025 149th Nikinator2704 0 67 14ms 1 Nov 2025 149th TheDevilWillBeBee 0 67 13ms 7 Nov 2025 149th Mefred 0 67 15ms 21 Nov 2025 149th levinwinter 0 67 13ms 21 Nov 2025 149th GodlyProgrammer1 0 67 13ms 22 Nov 2025 149th adityachandak287 0 67 14ms 26 Nov 2025 149th lilymeoww 0 67 15ms 2 Dec 2025 149th llPlayll 0 67 14ms 5 Dec 2025 149th zgialor-lab 0 67 11ms 17 Dec 2025 149th AngleLaPuta 0 67 13ms 14 days ago 149th matricronia 0 67 13ms 2 days ago 149th StefanHabel 🇨🇦 0 67 13ms 2 days ago 149th Andrey2001 0 67 12ms 2 days ago 149th TaserTheFox 🇺🇸 0 67 13ms 29 hours ago 206th jamesthekee 0 68 12ms 25 Jan 2025 206th te-chnical 0 68 13ms 6 May 2025 206th alexstarosta 0 68 11ms 16 Sep 2025 209th DoubleUynn 0 69 14ms 19 Jun 2025 209th bknower 0 69 13ms 22 Jun 2025 209th remodik 0 69 11ms 5 Oct 2025 209th enigma 0 69 11ms 20 Dec 2025 213th JSG-GIT 0 70 14ms 15 May 2025 213th Jojoemc2 0 70 13ms 11 Jul 2025 213th Jeremy-Vidaurri 0 70 12ms 13 Jul 2025 213th AstroOrbis 0 70 13ms 17 Jul 2025 213th asherdiamond 0 70 13ms 14 Aug 2025 213th ukeSJTU 0 70 13ms 20 Oct 2025 219th Lock1 0 71 12ms 5 Apr 2025 219th Jigglypuffed 0 71 13ms 9 Jun 2025 219th jmschl96 🇩🇪 0 71 13ms 14 Aug 2025 219th Chidoya 0 71 16ms 15 Oct 2025 223rd mbittner20 0 72 15ms 26 May 2025 223rd paiv 0 72 14ms 16 Jun 2025 225th SectorCorruptor 0 73 13ms 24 Jul 2025 226th gautambp 0 74 12ms 17 Jun 2025 226th SachitoGH 0 74 14ms 24 Jun 2025 226th Mikey-Beep 🇬🇧 0 74 14ms 27 Jul 2025 226th M4rc0g1 0 74 13ms 17 Nov 2025 226th TheAtrossian 0 74 12ms 1 Dec 2025 226th punoko 0 74 15ms 9 Dec 2025 226th tomh1012 0 74 11ms 21 days ago 233rd annaproxy 0 75 14ms 24 Dec 2024 233rd bowenkfan 0 75 13ms 10 Feb 2025 233rd lukepolak 0 75 13ms 7 Aug 2025 236th adamnielson42 🇺🇸 0 76 11ms 3 Dec 2024 236th amine4567 0 76 12ms 2 Aug 2025 236th GMDA60 0 76 13ms 15 Sep 2025 236th Aquateraneal 0 76 12ms 17 Nov 2025 240th lewis-carboodle 0 77 13ms 11 Mar 2025 First Prev 161–240 of 366 Next Last