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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 56th ndren 0 23 61ms 24 Sep 2025 56th CornerMercury 🇬🇧 0 23 58ms 24 Sep 2025 78th Natanaelel 🇸🇪 0 24 56ms 23 Jan 2025 78th TheZwierzLF 🇵🇱 0 24 177ms 1 Jun 2025 80th Shanethegamer 🇺🇸 0 26 247ms 20 Nov 2024 80th btnlq 0 26 287ms 26 Nov 2024 80th sean-niemann 🇺🇸 0 26 265ms 26 Nov 2024 80th DialFrost 🇸🇬 0 26 265ms 26 Nov 2024 80th emgordon154 0 26 277ms 28 Nov 2024 80th stefangimmillaro 0 26 266ms 3 Dec 2024 80th SirBogman 🇺🇸 0 26 281ms 3 Dec 2024 80th MeWhenI 🇻🇦 0 26 264ms 11 Dec 2024 80th GolfingSuccess 🇬🇷 0 26 254ms 21 Dec 2024 80th CaedenHarper 🇨🇦 0 26 272ms 4 Jan 2025 80th CLOStrophobic 🇮🇹 0 26 288ms 22 Jan 2025 80th sisyphus-ppcg 🇦🇺 0 26 275ms 31 Jan 2025 80th pardouin 🇫🇷 0 26 262ms 2 Feb 2025 80th ovs-code 🇩🇪 0 26 266ms 2 Feb 2025 80th Natanaelel 🇸🇪 0 26 277ms 2 Feb 2025 80th HumanoidCPU 0 26 247ms 4 Feb 2025 80th MeWhenI 🇻🇦 0 26 206ms 14 Feb 2025 80th targrik 0 26 184ms 14 Feb 2025 80th xyangst 0 26 267ms 14 Feb 2025 80th emgordon154 0 26 63ms 19 Feb 2025 80th juliansiebert 🇩🇪 0 26 268ms 5 Apr 2025 80th kg583 🇺🇸 0 26 262ms 9 Apr 2025 80th m-tkach 🇺🇦 0 26 269ms 23 Apr 2025 80th dokutan 0 26 275ms 28 Apr 2025 80th BREMAUCY 🇫🇷 0 26 221ms 1 Jul 2025 80th Msleizak 🇫🇷 0 26 221ms 4 Jul 2025 80th snoozingnewt 🇺🇸 0 26 253ms 15 Sep 2025 80th edsrzf 🇳🇿 0 26 214ms 12 Oct 2025 108th lynn 0 27 54ms 23 Jan 2025 108th HumanoidCPU 0 27 612ms 7 Feb 2025 108th MeWhenI 🇻🇦 0 27 592ms 14 Feb 2025 108th xiaoyiming123 0 27 712ms 12 Jul 2025 108th J09M 0 27 705ms 23 Sep 2025 113th Shanethegamer 🇺🇸 0 28 46ms 20 Nov 2024 113th stefangimmillaro 0 28 36ms 20 Nov 2024 113th error256 0 28 41ms 21 Nov 2024 113th GolfingSuccess 🇬🇷 0 28 45ms 25 Nov 2024 113th DialFrost 🇸🇬 0 28 53ms 26 Nov 2024 113th sean-niemann 🇺🇸 0 28 52ms 26 Nov 2024 113th FlyingPenguin223 0 28 43ms 27 Nov 2024 113th emgordon154 0 28 34ms 28 Nov 2024 113th m-tkach 🇺🇦 0 28 34ms 28 Nov 2024 113th lifthrasiir 🇰🇷 0 28 5ms 30 Nov 2024 113th sisyphus-ppcg 🇦🇺 0 28 34ms 2 Dec 2024 113th zacjl 0 28 5ms 2 Dec 2024 113th SirBogman 🇺🇸 0 28 5ms 3 Dec 2024 113th SirBogman 🇺🇸 0 28 38ms 3 Dec 2024 113th 2bular 0 28 5ms 9 Dec 2024 113th Natanaelel 🇸🇪 0 28 34ms 9 Dec 2024 113th MeWhenI 🇻🇦 0 28 35ms 11 Dec 2024 113th antimon2 🇯🇵 0 28 34ms 16 Dec 2024 113th CaedenHarper 🇨🇦 0 28 49ms 4 Jan 2025 113th CLOStrophobic 🇮🇹 0 28 54ms 22 Jan 2025 113th kg583 🇺🇸 0 28 50ms 23 Jan 2025 113th ovs-code 🇩🇪 0 28 54ms 31 Jan 2025 113th pardouin 🇫🇷 0 28 57ms 2 Feb 2025 113th anter69 🇭🇺 0 28 55ms 3 Feb 2025 113th janlelis 0 28 51ms 6 Feb 2025 113th targrik 0 28 619ms 14 Feb 2025 113th tatzyr 🇯🇵 0 28 48ms 16 Feb 2025 113th chocycat 0 28 53ms 1 Mar 2025 113th paul-c-hartman 0 28 53ms 7 Mar 2025 113th pardouin 🇫🇷 0 28 5ms 17 Apr 2025 113th DialFrost 🇸🇬 0 28 5ms 17 Apr 2025 113th Shanethegamer 🇺🇸 0 28 6ms 17 Apr 2025 113th GolfingSuccess 🇬🇷 0 28 5ms 17 Apr 2025 113th edsrzf 🇳🇿 0 28 50ms 17 Apr 2025 113th HumanoidCPU 0 28 5ms 18 Apr 2025 113th HumanoidCPU 0 28 53ms 18 Apr 2025 113th CaedenHarper 🇨🇦 0 28 5ms 18 Apr 2025 113th plcc0 0 28 50ms 21 Apr 2025 First Prev 76–150 of 2,881 Next Last