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 438th plcc0 0 45 4 days ago 452nd Shanethegamer 🇺🇸 0 46 20 Nov 2024 452nd ovs-code 🇩🇪 0 46 25 Nov 2024 452nd DialFrost 🇸🇬 0 46 26 Nov 2024 452nd sean-niemann 🇺🇸 0 46 26 Nov 2024 452nd GolfingSuccess 🇬🇷 0 46 6 Dec 2024 452nd MeWhenI 🇻🇦 0 46 11 Dec 2024 452nd CaedenHarper 🇨🇦 0 46 12 Jan 2025 452nd HumanoidCPU 0 46 18 Apr 2025 452nd 2bular 0 46 1 Jun 2025 452nd uiu007 0 46 27 days ago 452nd snoozingnewt 🇺🇸 0 46 26 days ago 452nd snoozingnewt 🇺🇸 0 46 26 days ago 452nd rucin93 🇵🇱 0 46 17 days ago 465th ovs-code 🇩🇪 0 47 25 Nov 2024 465th MeWhenI 🇻🇦 0 47 11 Dec 2024 465th duckyluuk 🇳🇱 0 47 12 Jan 2025 465th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 465th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 465th DialFrost 🇸🇬 0 47 17 Apr 2025 465th Shanethegamer 🇺🇸 0 47 17 Apr 2025 465th HumanoidCPU 0 47 18 Apr 2025 465th CaedenHarper 🇨🇦 0 47 18 Apr 2025 465th edsrzf 🇳🇿 0 47 26 May 2025 465th frankgraziano 0 47 23 Aug 2025 465th snoozingnewt 🇺🇸 0 47 26 days ago 477th emgordon154 0 48 27 Nov 2024 477th targrik 0 48 15 Feb 2025 479th JunkIce 0 49 3 Dec 2024 479th duckyluuk 🇳🇱 0 49 12 Jan 2025 479th csharpython 0 49 5 Feb 2025 479th voytxt 🇨🇿 0 49 8 Feb 2025 479th gigaprofisi 🇺🇸 0 49 3 Mar 2025 479th emgordon154 0 49 23 Apr 2025 479th xvogt 🇱🇮 0 49 13 Jun 2025 479th Jagger002 0 49 24 Jun 2025 479th alphafalfa 0 49 18 Aug 2025 479th J09M 0 49 18 days ago 489th Shanethegamer 🇺🇸 0 50 20 Nov 2024 489th stefangimmillaro 0 50 21 Nov 2024 489th duckyluuk 🇳🇱 0 50 26 Nov 2024 489th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 489th voytxt 🇨🇿 0 50 25 Jan 2025 489th pardouin 🇫🇷 0 50 26 Jan 2025 489th Natanaelel 🇸🇪 0 50 26 Jan 2025 489th janlelis 0 50 31 Mar 2025 489th DialFrost 🇸🇬 0 50 17 Apr 2025 489th edsrzf 🇳🇿 0 50 17 Apr 2025 489th HumanoidCPU 0 50 18 Apr 2025 489th CaedenHarper 🇨🇦 0 50 18 Apr 2025 489th snoozingnewt 🇺🇸 0 50 26 days ago 502nd FlyingPenguin223 0 51 21 Nov 2024 502nd MeWhenI 🇻🇦 0 51 11 Dec 2024 502nd GolfingSuccess 🇬🇷 0 51 8 Feb 2025 502nd h3ra993huskp 🇯🇵 0 51 15 Aug 2025 506th ovs-code 🇩🇪 0 52 31 May 2025 507th kg583 🇺🇸 0 53 21 Nov 2024 507th lifthrasiir 🇰🇷 0 53 2 Dec 2024 507th b-illy 🇬🇧 0 53 4 Jan 2025 507th CaedenHarper 🇨🇦 0 53 4 Jan 2025 507th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 507th rucin93 🇵🇱 0 53 17 Apr 2025 507th zacjl 0 53 17 Apr 2025 507th Shanethegamer 🇺🇸 0 53 17 Apr 2025 507th pardouin 🇫🇷 0 53 17 Apr 2025 507th DialFrost 🇸🇬 0 53 17 Apr 2025 507th sean-niemann 🇺🇸 0 53 17 Apr 2025 507th HumanoidCPU 0 53 18 Apr 2025 507th m-tkach 🇺🇦 0 53 23 Apr 2025 507th emgordon154 0 53 23 Apr 2025 507th duckyluuk 🇳🇱 0 53 13 Jun 2025 507th duckyluuk 🇳🇱 0 53 13 Jun 2025 507th DialFrost 🇸🇬 0 53 13 Jun 2025 507th MeWhenI 🇻🇦 0 53 14 Jun 2025 507th rucin93 🇵🇱 0 53 14 Jun 2025 First Prev 451–525 of 2,535 Next Last