Tutorial in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 973rd GolfingSuccess 🇬🇷 0 67 805ms 25 Nov 2024 973rd GolfingSuccess 🇬🇷 0 67 3ms 7 Dec 2024 973rd duckyluuk 🇳🇱 0 67 3ms 3 Jan 2025 973rd Vexxter9 🇳🇱 0 67 3ms 14 Jan 2025 973rd kamihitoe 0 67 3ms 15 Jan 2025 973rd CutSandstone 0 67 14ms 1 Feb 2025 973rd adityagiri3600 0 67 14ms 2 Feb 2025 973rd edsrzf 🇳🇿 0 67 113ms 7 Feb 2025 973rd martindotexe 🇳🇴 0 67 10ms 13 Feb 2025 973rd IcedDog 0 67 10ms 14 Feb 2025 973rd n3xta 0 67 10ms 14 Feb 2025 973rd xyangst 0 67 15ms 14 Feb 2025 973rd btjones0 0 67 14ms 17 Feb 2025 973rd smclaughlin-cf 0 67 20ms 19 Feb 2025 973rd Troon 0 67 14ms 21 Feb 2025 973rd pol-7 0 67 14ms 6 Mar 2025 973rd jumpingtj 0 67 14ms 9 Mar 2025 973rd edsrzf 🇳🇿 0 67 3ms 14 Mar 2025 973rd rustykitty 🇺🇸 0 67 15ms 21 Mar 2025 973rd retrohun 0 67 13ms 31 Mar 2025 973rd pastelglowcloud 0 67 14ms 2 Apr 2025 973rd litvanika 0 67 10ms 5 Apr 2025 973rd 1nspir3d 0 67 13ms 6 Apr 2025 973rd MeepMoop 0 67 3ms 6 Apr 2025 973rd gonengazit 0 67 3ms 8 Apr 2025 973rd Darklight-03 0 67 13ms 14 Apr 2025 973rd nilan425 0 67 15ms 16 Apr 2025 973rd DialFrost 🇸🇬 0 67 3ms 17 Apr 2025 973rd Andriamanitra 🇫🇮 0 67 14ms 17 Apr 2025 973rd Shanethegamer 🇺🇸 0 67 3ms 17 Apr 2025 973rd edsrzf 🇳🇿 0 67 3ms 17 Apr 2025 973rd HumanoidCPU 0 67 4ms 18 Apr 2025 973rd adaGrad1 0 67 14ms 18 Apr 2025 973rd codewrite 🇬🇧 0 67 14ms 18 Apr 2025 973rd CaedenHarper 🇨🇦 0 67 3ms 18 Apr 2025 973rd masterofsoap 0 67 15ms 24 Apr 2025 973rd dokutan 0 67 2ms 28 Apr 2025 973rd Lodiscode 0 67 13ms 6 May 2025 973rd adammielniczuk 0 67 14ms 12 May 2025 973rd erikji 0 67 13ms 23 May 2025 973rd thadeucity 0 67 16ms 26 May 2025 973rd TheZwierzLF 🇵🇱 0 67 13ms 27 May 2025 973rd TheZwierzLF 🇵🇱 0 67 821ms 1 Jun 2025 973rd SwordF-Official 0 67 3ms 2 Jun 2025 973rd NOS4A5I 0 67 14ms 9 Jun 2025 973rd Rogacz 0 67 14ms 9 Jun 2025 973rd henryjgt 0 67 14ms 17 Jun 2025 973rd shininglegend 0 67 13ms 19 Jun 2025 973rd kit971103 0 67 14ms 25 Jun 2025 973rd Scaredname 0 67 11ms 5 Jul 2025 973rd osNiko 🇧🇷 0 67 14ms 26 Jul 2025 973rd LuisGoncalves05 🇵🇹 0 67 14ms 27 Jul 2025 973rd dat9395 0 67 10ms 1 Aug 2025 973rd avivex1000 0 67 14ms 16 Aug 2025 973rd LNCH 0 67 10ms 20 Aug 2025 973rd BoraTheDeveloper 0 67 13ms 24 Aug 2025 973rd Kaleab-Ayenew 0 67 14ms 27 Aug 2025 973rd canonnizq 0 67 13ms 30 Aug 2025 973rd frederni 0 67 10ms 10 Sep 2025 973rd tungland 0 67 14ms 10 Sep 2025 973rd snoozingnewt 🇺🇸 0 67 4ms 15 Sep 2025 973rd alexsave 0 67 12ms 16 Sep 2025 973rd yibotongxue 0 67 13ms 20 Sep 2025 973rd HHHMGK 0 67 14ms 26 Sep 2025 973rd RZ781 0 67 20ms 26 Sep 2025 973rd TheSilentWhisperer 0 67 14ms 3 Oct 2025 973rd Nikinator2704 0 67 10ms 8 days ago 973rd TheDevilWillBeBee 0 67 10ms 2 days ago 1,044th 823126 0 68 11ms 20 Nov 2024 1,044th stefangimmillaro 0 68 3ms 27 Nov 2024 1,044th MeWhenI 🇻🇦 0 68 106ms 11 Dec 2024 1,044th jamesthekee 0 68 14ms 25 Jan 2025 1,044th Shanethegamer 🇺🇸 0 68 3ms 4 Feb 2025 1,044th GolfingSuccess 🇬🇷 0 68 1,477ms 5 Feb 2025 1,044th HumanoidCPU 0 68 1,246ms 6 Feb 2025 First Prev 976–1,050 of 2,808 Next Last