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 450th ovs-code 🇩🇪 0 46 25 Nov 2024 450th DialFrost 🇸🇬 0 46 26 Nov 2024 450th sean-niemann 🇺🇸 0 46 26 Nov 2024 450th GolfingSuccess 🇬🇷 0 46 6 Dec 2024 450th MeWhenI 🇻🇦 0 46 11 Dec 2024 450th CaedenHarper 🇨🇦 0 46 12 Jan 2025 450th HumanoidCPU 0 46 18 Apr 2025 450th 2bular 0 46 1 Jun 2025 450th uiu007 0 46 25 days ago 450th snoozingnewt 🇺🇸 0 46 24 days ago 450th snoozingnewt 🇺🇸 0 46 24 days ago 450th rucin93 🇵🇱 0 46 15 days ago 463rd ovs-code 🇩🇪 0 47 25 Nov 2024 463rd MeWhenI 🇻🇦 0 47 11 Dec 2024 463rd duckyluuk 🇳🇱 0 47 12 Jan 2025 463rd CLOStrophobic 🇮🇹 0 47 22 Jan 2025 463rd GolfingSuccess 🇬🇷 0 47 12 Feb 2025 463rd DialFrost 🇸🇬 0 47 17 Apr 2025 463rd Shanethegamer 🇺🇸 0 47 17 Apr 2025 463rd HumanoidCPU 0 47 18 Apr 2025 463rd CaedenHarper 🇨🇦 0 47 18 Apr 2025 463rd edsrzf 🇳🇿 0 47 26 May 2025 463rd frankgraziano 0 47 23 Aug 2025 463rd snoozingnewt 🇺🇸 0 47 24 days ago 475th emgordon154 0 48 27 Nov 2024 475th targrik 0 48 15 Feb 2025 477th JunkIce 0 49 3 Dec 2024 477th duckyluuk 🇳🇱 0 49 12 Jan 2025 477th csharpython 0 49 5 Feb 2025 477th voytxt 🇨🇿 0 49 8 Feb 2025 477th gigaprofisi 🇺🇸 0 49 3 Mar 2025 477th emgordon154 0 49 23 Apr 2025 477th xvogt 🇱🇮 0 49 13 Jun 2025 477th Jagger002 0 49 24 Jun 2025 477th alphafalfa 0 49 18 Aug 2025 477th J09M 0 49 15 days ago 487th Shanethegamer 🇺🇸 0 50 20 Nov 2024 487th stefangimmillaro 0 50 21 Nov 2024 487th duckyluuk 🇳🇱 0 50 26 Nov 2024 487th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 487th voytxt 🇨🇿 0 50 25 Jan 2025 487th pardouin 🇫🇷 0 50 26 Jan 2025 487th Natanaelel 🇸🇪 0 50 26 Jan 2025 487th janlelis 0 50 31 Mar 2025 487th DialFrost 🇸🇬 0 50 17 Apr 2025 487th edsrzf 🇳🇿 0 50 17 Apr 2025 487th HumanoidCPU 0 50 18 Apr 2025 487th CaedenHarper 🇨🇦 0 50 18 Apr 2025 487th snoozingnewt 🇺🇸 0 50 24 days ago 500th FlyingPenguin223 0 51 21 Nov 2024 500th MeWhenI 🇻🇦 0 51 11 Dec 2024 500th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 500th h3ra993huskp 🇯🇵 0 51 15 Aug 2025 504th ovs-code 🇩🇪 0 52 31 May 2025 505th kg583 🇺🇸 0 53 21 Nov 2024 505th lifthrasiir 🇰🇷 0 53 2 Dec 2024 505th b-illy 🇬🇧 0 53 4 Jan 2025 505th CaedenHarper 🇨🇦 0 53 4 Jan 2025 505th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 505th rucin93 🇵🇱 0 53 17 Apr 2025 505th zacjl 0 53 17 Apr 2025 505th Shanethegamer 🇺🇸 0 53 17 Apr 2025 505th pardouin 🇫🇷 0 53 17 Apr 2025 505th DialFrost 🇸🇬 0 53 17 Apr 2025 505th sean-niemann 🇺🇸 0 53 17 Apr 2025 505th HumanoidCPU 0 53 18 Apr 2025 505th m-tkach 🇺🇦 0 53 23 Apr 2025 505th emgordon154 0 53 23 Apr 2025 505th duckyluuk 🇳🇱 0 53 13 Jun 2025 505th duckyluuk 🇳🇱 0 53 13 Jun 2025 505th DialFrost 🇸🇬 0 53 13 Jun 2025 505th MeWhenI 🇻🇦 0 53 14 Jun 2025 505th rucin93 🇵🇱 0 53 14 Jun 2025 505th BREMAUCY 🇫🇷 0 53 1 Jul 2025 505th GolfingSuccess 🇬🇷 0 53 2 Jul 2025 First Prev 451–525 of 2,530 Next Last