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 451st Shanethegamer 🇺🇸 0 46 20 Nov 2024 451st ovs-code 🇩🇪 0 46 25 Nov 2024 451st DialFrost 🇸🇬 0 46 26 Nov 2024 451st sean-niemann 🇺🇸 0 46 26 Nov 2024 451st GolfingSuccess 🇬🇷 0 46 6 Dec 2024 451st MeWhenI 🇻🇦 0 46 11 Dec 2024 451st CaedenHarper 🇨🇦 0 46 12 Jan 2025 451st HumanoidCPU 0 46 18 Apr 2025 451st 2bular 0 46 1 Jun 2025 451st uiu007 0 46 25 days ago 451st snoozingnewt 🇺🇸 0 46 24 days ago 451st snoozingnewt 🇺🇸 0 46 24 days ago 451st rucin93 🇵🇱 0 46 16 days ago 464th ovs-code 🇩🇪 0 47 25 Nov 2024 464th MeWhenI 🇻🇦 0 47 11 Dec 2024 464th duckyluuk 🇳🇱 0 47 12 Jan 2025 464th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 464th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 464th DialFrost 🇸🇬 0 47 17 Apr 2025 464th Shanethegamer 🇺🇸 0 47 17 Apr 2025 464th HumanoidCPU 0 47 18 Apr 2025 464th CaedenHarper 🇨🇦 0 47 18 Apr 2025 464th edsrzf 🇳🇿 0 47 26 May 2025 464th frankgraziano 0 47 23 Aug 2025 464th snoozingnewt 🇺🇸 0 47 24 days ago 476th emgordon154 0 48 27 Nov 2024 476th targrik 0 48 15 Feb 2025 478th JunkIce 0 49 3 Dec 2024 478th duckyluuk 🇳🇱 0 49 12 Jan 2025 478th csharpython 0 49 5 Feb 2025 478th voytxt 🇨🇿 0 49 8 Feb 2025 478th gigaprofisi 🇺🇸 0 49 3 Mar 2025 478th emgordon154 0 49 23 Apr 2025 478th xvogt 🇱🇮 0 49 13 Jun 2025 478th Jagger002 0 49 24 Jun 2025 478th alphafalfa 0 49 18 Aug 2025 478th J09M 0 49 16 days ago 488th Shanethegamer 🇺🇸 0 50 20 Nov 2024 488th stefangimmillaro 0 50 21 Nov 2024 488th duckyluuk 🇳🇱 0 50 26 Nov 2024 488th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 488th voytxt 🇨🇿 0 50 25 Jan 2025 488th pardouin 🇫🇷 0 50 26 Jan 2025 488th Natanaelel 🇸🇪 0 50 26 Jan 2025 488th janlelis 0 50 31 Mar 2025 488th DialFrost 🇸🇬 0 50 17 Apr 2025 488th edsrzf 🇳🇿 0 50 17 Apr 2025 488th HumanoidCPU 0 50 18 Apr 2025 488th CaedenHarper 🇨🇦 0 50 18 Apr 2025 488th snoozingnewt 🇺🇸 0 50 24 days ago 501st FlyingPenguin223 0 51 21 Nov 2024 501st MeWhenI 🇻🇦 0 51 11 Dec 2024 501st GolfingSuccess 🇬🇷 0 51 8 Feb 2025 501st h3ra993huskp 🇯🇵 0 51 15 Aug 2025 505th ovs-code 🇩🇪 0 52 31 May 2025 506th kg583 🇺🇸 0 53 21 Nov 2024 506th lifthrasiir 🇰🇷 0 53 2 Dec 2024 506th b-illy 🇬🇧 0 53 4 Jan 2025 506th CaedenHarper 🇨🇦 0 53 4 Jan 2025 506th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 506th rucin93 🇵🇱 0 53 17 Apr 2025 506th zacjl 0 53 17 Apr 2025 506th Shanethegamer 🇺🇸 0 53 17 Apr 2025 506th pardouin 🇫🇷 0 53 17 Apr 2025 506th DialFrost 🇸🇬 0 53 17 Apr 2025 506th sean-niemann 🇺🇸 0 53 17 Apr 2025 506th HumanoidCPU 0 53 18 Apr 2025 506th m-tkach 🇺🇦 0 53 23 Apr 2025 506th emgordon154 0 53 23 Apr 2025 506th duckyluuk 🇳🇱 0 53 13 Jun 2025 506th duckyluuk 🇳🇱 0 53 13 Jun 2025 506th DialFrost 🇸🇬 0 53 13 Jun 2025 506th MeWhenI 🇻🇦 0 53 14 Jun 2025 506th rucin93 🇵🇱 0 53 14 Jun 2025 506th BREMAUCY 🇫🇷 0 53 1 Jul 2025 First Prev 451–525 of 2,532 Next Last