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 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 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 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 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 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 750th dokutan 0 61 4ms 5 Aug 2025 750th gitchaell 🇧🇴 0 61 15ms 6 Aug 2025 750th lukepolak 0 61 19ms 7 Aug 2025 750th adrianbgo 0 61 14ms 7 Aug 2025 750th helbling 🇨🇭 0 61 13ms 28 Aug 2025 750th snoozingnewt 🇨🇦 0 61 122ms 15 Sep 2025 750th snoozingnewt 🇨🇦 0 61 38ms 15 Sep 2025 750th larsendaniel 0 61 12ms 7 Nov 2025 750th JOrE20 🇺🇸 0 61 12ms 18 Nov 2025 750th GodlyProgrammer1 0 61 13ms 22 Nov 2025 750th Kacarott 🇦🇺 0 61 104ms 25 Nov 2025 750th egertaia 0 61 12ms 3 days ago 813th emgordon154 0 62 2ms 27 Nov 2024 813th CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 813th DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 813th heanyang1 0 62 17ms 26 Mar 2025 813th dokutan 0 62 1,481ms 15 Jul 2025 813th 6512345 0 62 133ms 4 Nov 2025 819th kg583 🇺🇸 0 63 49ms 21 Nov 2024 819th sean-niemann 🇺🇸 0 63 156ms 10 Dec 2024 819th MeWhenI 🇻🇦 0 63 7ms 18 Dec 2024 819th zacjl 0 63 52ms 31 Dec 2024 819th CLOStrophobic 🇮🇹 0 63 58ms 17 Jan 2025 819th edsrzf 🇳🇿 0 63 50ms 9 Feb 2025 819th GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 819th Nemikolh 🇫🇷 0 63 14ms 12 Feb 2025 819th GolfingSuccess 🇬🇷 0 63 158ms 20 Feb 2025 819th varhammer 🇷🇺 0 63 6ms 22 Feb 2025 819th voytxt 🇨🇿 0 63 155ms 17 Apr 2025 819th FlyingPenguin223 0 63 62ms 17 Apr 2025 819th DialFrost 🇸🇬 0 63 160ms 17 Apr 2025 819th DialFrost 🇸🇬 0 63 7ms 17 Apr 2025 819th DialFrost 🇸🇬 0 63 49ms 17 Apr 2025 819th pardouin 🇫🇷 0 63 164ms 17 Apr 2025 819th Shanethegamer 🇺🇸 0 63 6ms 17 Apr 2025 819th Shanethegamer 🇺🇸 0 63 54ms 17 Apr 2025 819th GolfingSuccess 🇬🇷 0 63 8ms 17 Apr 2025 819th HumanoidCPU 0 63 155ms 18 Apr 2025 819th HumanoidCPU 0 63 6ms 18 Apr 2025 819th HumanoidCPU 0 63 50ms 18 Apr 2025 819th CaedenHarper 🇨🇦 0 63 162ms 18 Apr 2025 819th CaedenHarper 🇨🇦 0 63 8ms 18 Apr 2025 819th CaedenHarper 🇨🇦 0 63 58ms 18 Apr 2025 819th dokutan 0 63 8ms 28 Apr 2025 819th Jigglypuffed 0 63 56ms 19 Jul 2025 819th penous 0 63 20ms 2 Aug 2025 819th YellowDudeIsMe 0 63 14ms 14 Aug 2025 819th albanian-laundromat 0 63 8ms 22 Aug 2025 819th snoozingnewt 🇨🇦 0 63 152ms 15 Sep 2025 819th snoozingnewt 🇨🇦 0 63 7ms 15 Sep 2025 819th snoozingnewt 🇨🇦 0 63 52ms 15 Sep 2025 819th luuumine 🇫🇷 0 63 2ms 10 Nov 2025 819th JOrE20 🇺🇸 0 63 7ms 18 Nov 2025 819th kayaulai 0 63 94ms 23 Nov 2025 855th Shanethegamer 🇺🇸 0 64 232ms 20 Nov 2024 855th error256 0 64 305ms 21 Nov 2024 855th error256 0 64 1,021ms 21 Nov 2024 855th emgordon154 0 64 2ms 26 Nov 2024 855th Liniarc 0 64 17ms 26 Nov 2024 855th Natanaelel 🇸🇪 0 64 181ms 9 Dec 2024 855th MeWhenI 🇻🇦 0 64 49ms 12 Dec 2024 855th MeWhenI 🇻🇦 0 64 16ms 14 Feb 2025 855th targrik 0 64 15ms 15 Feb 2025 855th calum12345 0 64 16ms 25 Mar 2025 855th Chinay-Domitrix 🇺🇸 0 64 4,595ms 18 Apr 2025 855th sean-niemann 🇺🇸 0 64 74ms 30 Apr 2025 855th TheDrawingCoder-Gamer 0 64 16ms 29 Jun 2025 855th Babafaba 0 64 15ms 15 Oct 2025 855th luuumine 🇫🇷 0 64 1,021ms 16 Oct 2025 855th GolfingSuccess 🇬🇷 0 64 3ms 12 Nov 2025 855th GolfingSuccess 🇬🇷 0 64 150ms 2 Dec 2025 855th Shanethegamer 🇺🇸 0 64 157ms 4 Dec 2025 855th GolfingSuccess 🇬🇷 0 64 142ms 15 Dec 2025 855th amazingalek 0 64 15ms 27 days ago 875th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 875th stefangimmillaro 0 65 10ms 20 Nov 2024 875th edsrzf 🇳🇿 0 65 10ms 21 Nov 2024 875th ovs-code 🇩🇪 0 65 13ms 25 Nov 2024 875th GolfingSuccess 🇬🇷 0 65 11ms 25 Nov 2024 875th AlephSquirrel 0 65 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