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 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 276th AbrahamJLR 🇻🇪 0 35 2ms 21 Jul 2025 276th snoozingnewt 🇨🇦 0 35 3ms 15 Sep 2025 276th snoozingnewt 🇨🇦 0 35 5ms 15 Sep 2025 276th GrayJoKing 🇦🇺 0 35 10ms 7 Nov 2025 276th luuumine 🇫🇷 0 35 2ms 10 Nov 2025 276th KasperKivimaeki 🇫🇮 0 35 5ms 22 days ago 276th ryyyn 🇺🇸 0 35 3ms 21 days ago 276th JOrE20 🇺🇸 0 35 3ms 16 days ago 309th Shanethegamer 🇺🇸 0 36 486ms 20 Nov 2024 309th error256 0 36 483ms 21 Nov 2024 309th DialFrost 🇸🇬 0 36 559ms 26 Nov 2024 309th emgordon154 0 36 499ms 3 Dec 2024 309th SirBogman 🇺🇸 0 36 506ms 3 Dec 2024 309th GolfingSuccess 🇬🇷 0 36 515ms 7 Dec 2024 309th antimon2 🇯🇵 0 36 468ms 16 Dec 2024 309th CaedenHarper 🇨🇦 0 36 521ms 4 Jan 2025 309th dokutan 0 36 507ms 3 Feb 2025 309th retrohun 0 36 2ms 31 Mar 2025 309th ovs-code 🇩🇪 0 36 493ms 17 Apr 2025 309th edsrzf 🇳🇿 0 36 547ms 17 Apr 2025 309th HumanoidCPU 0 36 497ms 18 Apr 2025 309th alemelis 0 36 460ms 20 Jun 2025 309th frankgraziano 0 36 507ms 6 Aug 2025 309th snoozingnewt 🇨🇦 0 36 479ms 15 Sep 2025 325th ovs-code 🇩🇪 0 37 18ms 26 Nov 2024 325th 2bular 0 37 36ms 9 Dec 2024 325th Natanaelel 🇸🇪 0 37 2ms 26 Jan 2025 325th DialFrost 🇸🇬 0 37 15ms 24 Feb 2025 325th Sakisan 🇧🇪 0 37 19ms 5 Apr 2025 325th dokutan 0 37 17ms 13 Apr 2025 325th DialFrost 🇸🇬 0 37 46ms 17 Apr 2025 325th MeWhenI 🇻🇦 0 37 18ms 17 Apr 2025 325th Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 325th GolfingSuccess 🇬🇷 0 37 19ms 17 Apr 2025 325th Shanethegamer 🇺🇸 0 37 53ms 17 Apr 2025 325th HumanoidCPU 0 37 48ms 18 Apr 2025 325th HumanoidCPU 0 37 18ms 18 Apr 2025 325th HPWiz 🇳🇿 0 37 20ms 18 Apr 2025 325th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 325th CaedenHarper 🇨🇦 0 37 19ms 19 Apr 2025 325th GolfingSuccess 🇬🇷 0 37 45ms 19 Apr 2025 325th edsrzf 🇳🇿 0 37 21ms 19 Apr 2025 325th zacjl 0 37 7ms 20 Apr 2025 325th frankgraziano 0 37 45ms 19 May 2025 325th lynn 0 37 46ms 15 Jun 2025 325th frankgraziano 0 37 20ms 26 Jul 2025 325th albanian-laundromat 0 37 15ms 4 Aug 2025 325th snoozingnewt 🇨🇦 0 37 45ms 15 Sep 2025 325th snoozingnewt 🇨🇦 0 37 20ms 15 Sep 2025 325th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 351st ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 351st emgordon154 0 38 3ms 27 Nov 2024 351st CLOStrophobic 🇮🇹 0 38 18ms 22 Jan 2025 351st ovs-code 🇩🇪 0 38 5ms 5 Feb 2025 351st GolfingSuccess 🇬🇷 0 38 4ms 15 Feb 2025 351st btjones0 0 38 2ms 17 Feb 2025 351st 2bular 0 38 4ms 7 Mar 2025 351st Frowny 0 38 46ms 10 Mar 2025 351st Shanethegamer 🇺🇸 0 38 4ms 17 Apr 2025 351st HumanoidCPU 0 38 3ms 18 Apr 2025 351st Mukundan314 0 38 18ms 25 Apr 2025 351st snoozingnewt 🇨🇦 0 38 5ms 15 Sep 2025 363rd MeWhenI 🇻🇦 0 39 143ms 29 Jan 2025 363rd DialFrost 🇸🇬 0 39 149ms 17 Apr 2025 363rd yobatm 0 39 51ms 3 Aug 2025 366th emgordon154 0 40 4ms 9 Feb 2025 366th DialFrost 🇸🇬 0 40 7ms 9 Feb 2025 366th GolfingSuccess 🇬🇷 0 40 7ms 12 Feb 2025 366th chunes3 🇺🇸 0 40 3ms 13 Feb 2025 366th targrik 0 40 4ms 15 Feb 2025 366th emgordon154 0 40 4ms 5 Mar 2025 366th MeWhenI 🇻🇦 0 40 4ms 17 Apr 2025 366th DialFrost 🇸🇬 0 40 3ms 17 Apr 2025 366th HumanoidCPU 0 40 7ms 18 Apr 2025 366th DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 First Prev 301–375 of 2,941 Next Last