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 777th GolfingSuccess 🇬🇷 0 61 69ms 5 Feb 2025 777th targrik 0 61 14ms 8 Feb 2025 777th MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 777th targrik 0 61 3ms 15 Feb 2025 777th attila8192 0 61 12ms 1 Mar 2025 777th targrik 0 61 2ms 14 Mar 2025 777th janlelis 0 61 14ms 31 Mar 2025 777th b-illy 🇬🇧 0 61 15ms 16 Apr 2025 777th janbehrens 🇩🇪 0 61 13ms 17 Apr 2025 777th pardouin 🇫🇷 0 61 18ms 17 Apr 2025 777th Shanethegamer 🇺🇸 0 61 81ms 17 Apr 2025 777th edsrzf 🇳🇿 0 61 13ms 17 Apr 2025 777th HumanoidCPU 0 61 76ms 18 Apr 2025 777th HumanoidCPU 0 61 13ms 18 Apr 2025 777th AlephSquirrel 0 61 12ms 20 Apr 2025 777th Sam-Vrgl 0 61 16ms 13 May 2025 777th c-py 0 61 12ms 14 May 2025 777th albanian-laundromat 0 61 76ms 6 Jun 2025 777th Andrey-Plotnikov 0 61 14ms 19 Jun 2025 777th a6166231 🇨🇳 0 61 14ms 20 Jun 2025 777th elana-teal 0 61 11ms 20 Jun 2025 777th BREMAUCY 🇫🇷 0 61 15ms 1 Jul 2025 777th RYSF13 🇨🇳 0 61 12ms 5 Jul 2025 777th p01 0 61 13ms 28 Jul 2025 777th KrausRaus 🇺🇸 0 61 13ms 29 Jul 2025 777th dmrichwa 🇺🇸 0 61 13ms 29 Jul 2025 777th dokutan 0 61 2ms 5 Aug 2025 777th gitchaell 🇧🇴 0 61 13ms 6 Aug 2025 777th lukepolak 0 61 14ms 7 Aug 2025 777th adrianbgo 0 61 12ms 7 Aug 2025 777th helbling 🇨🇭 0 61 14ms 28 Aug 2025 777th snoozingnewt 🇨🇦 0 61 75ms 15 Sep 2025 777th snoozingnewt 🇨🇦 0 61 12ms 15 Sep 2025 777th larsendaniel 0 61 12ms 7 Nov 2025 777th JOrE20 0 61 12ms 18 Nov 2025 777th GodlyProgrammer1 0 61 11ms 22 Nov 2025 777th Kacarott 🇦🇺 0 61 104ms 25 Nov 2025 777th egertaia 0 61 12ms 9 Jan 2026 777th r58iiz 0 61 14ms 15 Jan 2026 777th ragonscreen 0 61 12ms 16 Jan 2026 777th matzuka 0 61 35ms 29 Jan 2026 777th FoxInTheClouds 0 61 13ms 5 Feb 2026 777th Ultra814 0 61 12ms 22 days ago 777th weliveinhell 🇭🇹 0 61 12ms 24 hours ago 845th emgordon154 0 62 2ms 27 Nov 2024 845th CLOStrophobic 🇮🇹 0 62 3ms 4 Feb 2025 845th DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 845th heanyang1 0 62 14ms 26 Mar 2025 845th dokutan 0 62 1,721ms 15 Jul 2025 845th 6512345 0 62 161ms 4 Nov 2025 851st kg583 🇺🇸 0 63 49ms 21 Nov 2024 851st sean-niemann 🇺🇸 0 63 162ms 10 Dec 2024 851st MeWhenI 🇻🇦 0 63 6ms 18 Dec 2024 851st zacjl 0 63 52ms 31 Dec 2024 851st CLOStrophobic 🇮🇹 0 63 58ms 17 Jan 2025 851st edsrzf 🇳🇿 0 63 50ms 9 Feb 2025 851st GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 851st Nemikolh 🇫🇷 0 63 15ms 12 Feb 2025 851st GolfingSuccess 🇬🇷 0 63 173ms 20 Feb 2025 851st varhammer 0 63 6ms 22 Feb 2025 851st voytxt 🇨🇿 0 63 166ms 17 Apr 2025 851st FlyingPenguin223 0 63 51ms 17 Apr 2025 851st DialFrost 🇸🇬 0 63 169ms 17 Apr 2025 851st DialFrost 🇸🇬 0 63 6ms 17 Apr 2025 851st DialFrost 🇸🇬 0 63 49ms 17 Apr 2025 851st pardouin 🇫🇷 0 63 166ms 17 Apr 2025 851st Shanethegamer 🇺🇸 0 63 5ms 17 Apr 2025 851st Shanethegamer 🇺🇸 0 63 54ms 17 Apr 2025 851st GolfingSuccess 🇬🇷 0 63 6ms 17 Apr 2025 851st HumanoidCPU 0 63 186ms 18 Apr 2025 851st HumanoidCPU 0 63 6ms 18 Apr 2025 851st HumanoidCPU 0 63 50ms 18 Apr 2025 851st CaedenHarper 🇨🇦 0 63 174ms 18 Apr 2025 851st CaedenHarper 🇨🇦 0 63 6ms 18 Apr 2025 851st CaedenHarper 🇨🇦 0 63 56ms 18 Apr 2025 851st dokutan 0 63 5ms 28 Apr 2025 851st Jigglypuffed 0 63 50ms 19 Jul 2025 851st penous 0 63 13ms 2 Aug 2025 851st YellowDudeIsMe 0 63 13ms 14 Aug 2025 851st albanian-laundromat 0 63 6ms 22 Aug 2025 First Prev 801–880 of 3,384 Next 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