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 440th snoozingnewt 🇺🇸 0 45 15 Sep 2025 440th eprovst 🇧🇪 0 45 16 Sep 2025 440th plcc0 0 45 8 days ago 454th Shanethegamer 🇺🇸 0 46 20 Nov 2024 454th ovs-code 🇩🇪 0 46 25 Nov 2024 454th DialFrost 🇸🇬 0 46 26 Nov 2024 454th sean-niemann 🇺🇸 0 46 26 Nov 2024 454th GolfingSuccess 🇬🇷 0 46 6 Dec 2024 454th MeWhenI 🇻🇦 0 46 11 Dec 2024 454th CaedenHarper 🇨🇦 0 46 12 Jan 2025 454th HumanoidCPU 0 46 18 Apr 2025 454th 2bular 0 46 1 Jun 2025 454th uiu007 0 46 14 Sep 2025 454th snoozingnewt 🇺🇸 0 46 15 Sep 2025 454th snoozingnewt 🇺🇸 0 46 15 Sep 2025 454th rucin93 🇵🇱 0 46 21 days ago 467th ovs-code 🇩🇪 0 47 25 Nov 2024 467th MeWhenI 🇻🇦 0 47 11 Dec 2024 467th duckyluuk 🇳🇱 0 47 12 Jan 2025 467th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 467th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 467th DialFrost 🇸🇬 0 47 17 Apr 2025 467th Shanethegamer 🇺🇸 0 47 17 Apr 2025 467th HumanoidCPU 0 47 18 Apr 2025 467th CaedenHarper 🇨🇦 0 47 18 Apr 2025 467th edsrzf 🇳🇿 0 47 26 May 2025 467th frankgraziano 0 47 23 Aug 2025 467th snoozingnewt 🇺🇸 0 47 15 Sep 2025 479th emgordon154 0 48 27 Nov 2024 479th targrik 0 48 15 Feb 2025 481st JunkIce 0 49 3 Dec 2024 481st duckyluuk 🇳🇱 0 49 12 Jan 2025 481st csharpython 0 49 5 Feb 2025 481st voytxt 🇨🇿 0 49 8 Feb 2025 481st gigaprofisi 🇺🇸 0 49 3 Mar 2025 481st emgordon154 0 49 23 Apr 2025 481st xvogt 🇱🇮 0 49 13 Jun 2025 481st Jagger002 0 49 24 Jun 2025 481st alphafalfa 0 49 18 Aug 2025 481st J09M 0 49 22 days ago 491st Shanethegamer 🇺🇸 0 50 20 Nov 2024 491st stefangimmillaro 0 50 21 Nov 2024 491st duckyluuk 🇳🇱 0 50 26 Nov 2024 491st GolfingSuccess 🇬🇷 0 50 22 Dec 2024 491st voytxt 🇨🇿 0 50 25 Jan 2025 491st pardouin 🇫🇷 0 50 26 Jan 2025 491st Natanaelel 🇸🇪 0 50 26 Jan 2025 491st janlelis 0 50 31 Mar 2025 491st DialFrost 🇸🇬 0 50 17 Apr 2025 491st edsrzf 🇳🇿 0 50 17 Apr 2025 491st HumanoidCPU 0 50 18 Apr 2025 491st CaedenHarper 🇨🇦 0 50 18 Apr 2025 491st snoozingnewt 🇺🇸 0 50 15 Sep 2025 504th FlyingPenguin223 0 51 21 Nov 2024 504th MeWhenI 🇻🇦 0 51 11 Dec 2024 504th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 504th h3ra993huskp 🇯🇵 0 51 15 Aug 2025 508th ovs-code 🇩🇪 0 52 31 May 2025 509th kg583 🇺🇸 0 53 21 Nov 2024 509th lifthrasiir 🇰🇷 0 53 2 Dec 2024 509th b-illy 🇬🇧 0 53 4 Jan 2025 509th CaedenHarper 🇨🇦 0 53 4 Jan 2025 509th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 509th rucin93 🇵🇱 0 53 17 Apr 2025 509th zacjl 0 53 17 Apr 2025 509th Shanethegamer 🇺🇸 0 53 17 Apr 2025 509th pardouin 🇫🇷 0 53 17 Apr 2025 509th DialFrost 🇸🇬 0 53 17 Apr 2025 509th sean-niemann 🇺🇸 0 53 17 Apr 2025 509th HumanoidCPU 0 53 18 Apr 2025 509th m-tkach 🇺🇦 0 53 23 Apr 2025 509th emgordon154 0 53 23 Apr 2025 509th duckyluuk 🇳🇱 0 53 13 Jun 2025 509th duckyluuk 🇳🇱 0 53 13 Jun 2025 509th DialFrost 🇸🇬 0 53 13 Jun 2025 First Prev 451–525 of 2,634 Next Last