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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 299th Natanaelel 🇸🇪 0 37 26 Jan 2025 299th DialFrost 🇸🇬 0 37 24 Feb 2025 299th Sakisan 🇧🇪 0 37 5 Apr 2025 299th dokutan 0 37 13 Apr 2025 299th DialFrost 🇸🇬 0 37 17 Apr 2025 299th MeWhenI 🇻🇦 0 37 17 Apr 2025 299th Shanethegamer 🇺🇸 0 37 17 Apr 2025 299th GolfingSuccess 🇬🇷 0 37 17 Apr 2025 299th Shanethegamer 🇺🇸 0 37 17 Apr 2025 299th HumanoidCPU 0 37 18 Apr 2025 299th HumanoidCPU 0 37 18 Apr 2025 299th HPWiz 🇳🇿 0 37 18 Apr 2025 299th CaedenHarper 🇨🇦 0 37 18 Apr 2025 299th CaedenHarper 🇨🇦 0 37 19 Apr 2025 299th GolfingSuccess 🇬🇷 0 37 19 Apr 2025 299th edsrzf 🇳🇿 0 37 19 Apr 2025 299th zacjl 0 37 20 Apr 2025 299th frankgraziano 0 37 19 May 2025 299th lynn 0 37 15 Jun 2025 299th frankgraziano 0 37 26 Jul 2025 299th albanian-laundromat 0 37 4 Aug 2025 299th snoozingnewt 🇺🇸 0 37 27 days ago 299th snoozingnewt 🇺🇸 0 37 27 days ago 299th SirBogman 🇺🇸 0 37 7 days ago 325th ovs-code 🇩🇪 0 38 25 Nov 2024 325th emgordon154 0 38 27 Nov 2024 325th CLOStrophobic 🇮🇹 0 38 22 Jan 2025 325th ovs-code 🇩🇪 0 38 5 Feb 2025 325th GolfingSuccess 🇬🇷 0 38 15 Feb 2025 325th btjones0 0 38 17 Feb 2025 325th 2bular 0 38 7 Mar 2025 325th Frowny 0 38 10 Mar 2025 325th Shanethegamer 🇺🇸 0 38 17 Apr 2025 325th HumanoidCPU 0 38 18 Apr 2025 325th Mukundan314 0 38 25 Apr 2025 325th snoozingnewt 🇺🇸 0 38 27 days ago 337th MeWhenI 🇻🇦 0 39 29 Jan 2025 337th DialFrost 🇸🇬 0 39 17 Apr 2025 337th yobatm 0 39 3 Aug 2025 340th emgordon154 0 40 9 Feb 2025 340th DialFrost 🇸🇬 0 40 9 Feb 2025 340th GolfingSuccess 🇬🇷 0 40 12 Feb 2025 340th chunes3 🇺🇸 0 40 13 Feb 2025 340th targrik 0 40 15 Feb 2025 340th emgordon154 0 40 5 Mar 2025 340th MeWhenI 🇻🇦 0 40 17 Apr 2025 340th DialFrost 🇸🇬 0 40 17 Apr 2025 340th HumanoidCPU 0 40 18 Apr 2025 340th DialFrost 🇸🇬 0 40 20 Apr 2025 340th Shanethegamer 🇺🇸 0 40 6 Jun 2025 340th artem-aramma 0 40 18 Jun 2025 340th LostSyntax21 🇬🇧 0 40 19 Jul 2025 340th alemelis 0 40 3 Aug 2025 340th frankgraziano 0 40 13 Aug 2025 340th snoozingnewt 🇺🇸 0 40 27 days ago 356th GolfingSuccess 🇬🇷 0 42 25 Nov 2024 356th AlephSquirrel 0 42 27 Jan 2025 356th ovs-code 🇩🇪 0 42 4 Feb 2025 356th GolfingSuccess 🇬🇷 0 42 15 Feb 2025 356th 2bular 0 42 5 Mar 2025 356th edsrzf 🇳🇿 0 42 21 Mar 2025 356th DialFrost 🇸🇬 0 42 17 Apr 2025 356th zacjl 0 42 17 Apr 2025 356th Shanethegamer 🇺🇸 0 42 17 Apr 2025 356th Shanethegamer 🇺🇸 0 42 17 Apr 2025 356th DialFrost 🇸🇬 0 42 17 Apr 2025 356th edsrzf 🇳🇿 0 42 17 Apr 2025 356th HumanoidCPU 0 42 18 Apr 2025 356th HumanoidCPU 0 42 18 Apr 2025 356th CaedenHarper 🇨🇦 0 42 18 Apr 2025 356th zacjl 0 42 20 Apr 2025 356th dokutan 0 42 28 Apr 2025 356th dokutan 0 42 28 Apr 2025 356th TheZwierzLF 🇵🇱 0 42 2 Jun 2025 356th edsrzf 🇳🇿 0 42 13 Jun 2025 First Prev 301–375 of 2,536 Next Last