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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 295th antimon2 🇯🇵 0 36 571ms 16 Dec 2024 295th CaedenHarper 🇨🇦 0 36 478ms 4 Jan 2025 295th dokutan 0 36 589ms 3 Feb 2025 295th retrohun 0 36 3ms 31 Mar 2025 295th ovs-code 🇩🇪 0 36 602ms 17 Apr 2025 295th edsrzf 🇳🇿 0 36 593ms 17 Apr 2025 295th HumanoidCPU 0 36 620ms 18 Apr 2025 295th alemelis 0 36 576ms 20 Jun 2025 295th frankgraziano 0 36 593ms 6 Aug 2025 295th snoozingnewt 🇺🇸 0 36 529ms 15 Sep 2025 311th ovs-code 🇩🇪 0 37 15ms 26 Nov 2024 311th 2bular 0 37 38ms 9 Dec 2024 311th Natanaelel 🇸🇪 0 37 2ms 26 Jan 2025 311th DialFrost 🇸🇬 0 37 19ms 24 Feb 2025 311th Sakisan 🇧🇪 0 37 14ms 5 Apr 2025 311th dokutan 0 37 15ms 13 Apr 2025 311th DialFrost 🇸🇬 0 37 47ms 17 Apr 2025 311th MeWhenI 🇻🇦 0 37 21ms 17 Apr 2025 311th Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 311th GolfingSuccess 🇬🇷 0 37 28ms 17 Apr 2025 311th Shanethegamer 🇺🇸 0 37 19ms 17 Apr 2025 311th HumanoidCPU 0 37 48ms 18 Apr 2025 311th HumanoidCPU 0 37 15ms 18 Apr 2025 311th HPWiz 🇳🇿 0 37 16ms 18 Apr 2025 311th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 311th CaedenHarper 🇨🇦 0 37 14ms 19 Apr 2025 311th GolfingSuccess 🇬🇷 0 37 50ms 19 Apr 2025 311th edsrzf 🇳🇿 0 37 14ms 19 Apr 2025 311th zacjl 0 37 6ms 20 Apr 2025 311th frankgraziano 0 37 45ms 19 May 2025 311th lynn 0 37 49ms 15 Jun 2025 311th frankgraziano 0 37 19ms 26 Jul 2025 311th albanian-laundromat 0 37 18ms 4 Aug 2025 311th snoozingnewt 🇺🇸 0 37 48ms 15 Sep 2025 311th snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 311th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 337th ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 337th emgordon154 0 38 5ms 27 Nov 2024 337th CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 337th ovs-code 🇩🇪 0 38 4ms 5 Feb 2025 337th GolfingSuccess 🇬🇷 0 38 11ms 15 Feb 2025 337th btjones0 0 38 3ms 17 Feb 2025 337th 2bular 0 38 4ms 7 Mar 2025 337th Frowny 0 38 47ms 10 Mar 2025 337th Shanethegamer 🇺🇸 0 38 4ms 17 Apr 2025 337th HumanoidCPU 0 38 4ms 18 Apr 2025 337th Mukundan314 0 38 14ms 25 Apr 2025 337th snoozingnewt 🇺🇸 0 38 3ms 15 Sep 2025 349th MeWhenI 🇻🇦 0 39 115ms 29 Jan 2025 349th DialFrost 🇸🇬 0 39 135ms 17 Apr 2025 349th yobatm 0 39 41ms 3 Aug 2025 352nd emgordon154 0 40 4ms 9 Feb 2025 352nd DialFrost 🇸🇬 0 40 5ms 9 Feb 2025 352nd GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 352nd chunes3 🇺🇸 0 40 4ms 13 Feb 2025 352nd targrik 0 40 4ms 15 Feb 2025 352nd emgordon154 0 40 4ms 5 Mar 2025 352nd MeWhenI 🇻🇦 0 40 5ms 17 Apr 2025 352nd DialFrost 🇸🇬 0 40 6ms 17 Apr 2025 352nd HumanoidCPU 0 40 8ms 18 Apr 2025 352nd DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 352nd Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 352nd artem-aramma 0 40 4ms 18 Jun 2025 352nd LostSyntax21 🇬🇧 0 40 4ms 19 Jul 2025 352nd alemelis 0 40 19ms 3 Aug 2025 352nd frankgraziano 0 40 8ms 13 Aug 2025 352nd snoozingnewt 🇺🇸 0 40 7ms 15 Sep 2025 368th GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 368th AlephSquirrel 0 42 4ms 27 Jan 2025 368th ovs-code 🇩🇪 0 42 16ms 4 Feb 2025 368th GolfingSuccess 🇬🇷 0 42 16ms 15 Feb 2025 368th 2bular 0 42 16ms 5 Mar 2025 368th edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 368th DialFrost 🇸🇬 0 42 24ms 17 Apr 2025 368th zacjl 0 42 17ms 17 Apr 2025 First Prev 301–375 of 2,821 Next Last