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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 815th sean-niemann 🇺🇸 0 64 75ms 30 Apr 2025 815th TheDrawingCoder-Gamer 0 64 16ms 29 Jun 2025 815th Babafaba 0 64 15ms 15 Oct 2025 815th luuumine 🇫🇷 0 64 17ms 16 Oct 2025 815th GolfingSuccess 🇬🇷 0 64 3ms 7 days ago 831st Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 831st stefangimmillaro 0 65 10ms 20 Nov 2024 831st edsrzf 🇳🇿 0 65 11ms 21 Nov 2024 831st ovs-code 🇩🇪 0 65 30ms 25 Nov 2024 831st GolfingSuccess 🇬🇷 0 65 10ms 25 Nov 2024 831st AlephSquirrel 0 65 12ms 25 Nov 2024 831st AlephSquirrel 0 65 48ms 25 Nov 2024 831st pardouin 🇫🇷 0 65 13ms 25 Nov 2024 831st btnlq 0 65 13ms 26 Nov 2024 831st CaedenHarper 🇨🇦 0 65 13ms 26 Nov 2024 831st inventshah 0 65 14ms 26 Nov 2024 831st sean-niemann 🇺🇸 0 65 150ms 26 Nov 2024 831st stefangimmillaro 0 65 149ms 26 Nov 2024 831st duckyluuk 🇳🇱 0 65 13ms 26 Nov 2024 831st ovs-code 🇩🇪 0 65 4ms 26 Nov 2024 831st Alex-x90 🇺🇸 0 65 12ms 28 Nov 2024 831st zacjl 0 65 13ms 1 Dec 2024 831st zacjl 0 65 8ms 1 Dec 2024 831st sisyphus-ppcg 🇦🇺 0 65 13ms 2 Dec 2024 831st SirBogman 🇺🇸 0 65 13ms 3 Dec 2024 831st xsot 🇸🇬 0 65 13ms 4 Dec 2024 831st ndren 0 65 13ms 5 Dec 2024 831st CornerMercury 🇬🇧 0 65 12ms 5 Dec 2024 831st lukegustafson 🇺🇸 0 65 10ms 7 Dec 2024 831st Europe2048 0 65 14ms 7 Dec 2024 831st neel11235813 0 65 10ms 9 Dec 2024 831st Seek64 🇩🇪 0 65 14ms 10 Dec 2024 831st MeWhenI 🇻🇦 0 65 3ms 11 Dec 2024 831st antimon2 🇯🇵 0 65 12ms 16 Dec 2024 831st error256 0 65 8ms 16 Dec 2024 831st edsrzf 🇳🇿 0 65 8ms 18 Dec 2024 831st bizy-coder 0 65 15ms 28 Dec 2024 831st Bulmenisaurus 0 65 10ms 1 Jan 2025 831st m-tkach 🇺🇦 0 65 157ms 3 Jan 2025 831st emgordon154 0 65 10ms 11 Jan 2025 831st prplz 🇦🇺 0 65 12ms 23 Jan 2025 831st kg583 🇺🇸 0 65 9ms 23 Jan 2025 831st CLOStrophobic 🇮🇹 0 65 10ms 23 Jan 2025 831st mathisfun271 0 65 10ms 25 Jan 2025 831st Natanaelel 🇸🇪 0 65 10ms 26 Jan 2025 831st Shanethegamer 🇺🇸 0 65 11ms 30 Jan 2025 831st firegene 🇮🇪 0 65 10ms 30 Jan 2025 831st Lydxn 🇨🇦 0 65 12ms 31 Jan 2025 831st commandblockguy 🇺🇸 0 65 10ms 2 Feb 2025 831st GolfingSuccess 🇬🇷 0 65 8ms 3 Feb 2025 831st bricknellj 0 65 15ms 5 Feb 2025 831st qpwoeirut 0 65 4,419ms 7 Feb 2025 831st xyangst 0 65 11ms 14 Feb 2025 831st emgordon154 0 65 49ms 17 Feb 2025 831st acotis 0 65 1,160ms 18 Feb 2025 831st gigaprofisi 🇺🇸 0 65 1,100ms 3 Mar 2025 831st GolfingSuccess 🇬🇷 0 65 157ms 6 Mar 2025 831st Jacob385 0 65 4ms 19 Mar 2025 831st 4atj 0 65 13ms 10 Apr 2025 831st orthoplex 🇨🇽 0 65 10ms 16 Apr 2025 831st MeWhenI 🇻🇦 0 65 8ms 17 Apr 2025 831st DialFrost 🇸🇬 0 65 8ms 17 Apr 2025 831st DialFrost 🇸🇬 0 65 13ms 17 Apr 2025 831st error256 0 65 10ms 17 Apr 2025 831st edsrzf 🇳🇿 0 65 160ms 17 Apr 2025 831st edsrzf 🇳🇿 0 65 3ms 18 Apr 2025 831st HumanoidCPU 0 65 9ms 18 Apr 2025 831st HumanoidCPU 0 65 147ms 18 Apr 2025 831st DialFrost 🇸🇬 0 65 161ms 18 Apr 2025 831st BlankSpruce 0 65 13ms 18 Apr 2025 831st Shanethegamer 🇺🇸 0 65 146ms 18 Apr 2025 831st CaedenHarper 🇨🇦 0 65 10ms 18 Apr 2025 831st CaedenHarper 🇨🇦 0 65 151ms 18 Apr 2025 831st undefinedRyan 0 65 10ms 19 Apr 2025 831st DialFrost 🇸🇬 0 65 4ms 20 Apr 2025 First Prev 826–900 of 2,845 Next Last